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E-3 process - Wikipedia
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data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><dl><dd><i>See also <a href="/wiki/Ektachrome" title="Ektachrome">Ektachrome</a> for full details of Kodak E-series processes.</i></dd></dl> <style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For the visa, see <a href="/wiki/E-3_visa" title="E-3 visa">E-3 visa</a>.</div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Ektachome_B_Slide_Film_crop.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Ektachome_B_Slide_Film_crop.jpg/220px-Ektachome_B_Slide_Film_crop.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Ektachome_B_Slide_Film_crop.jpg/330px-Ektachome_B_Slide_Film_crop.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Ektachome_B_Slide_Film_crop.jpg/440px-Ektachome_B_Slide_Film_crop.jpg 2x" data-file-width="640" data-file-height="480" /></a><figcaption><a href="/wiki/Ektachrome" title="Ektachrome">Ektachrome</a> Type B, using E-2 or E-4 processes</figcaption></figure> <p>The <b>E-2 process</b> and <b>E-3 process</b> are outdated processes for developing <a href="/wiki/Ektachrome" title="Ektachrome">Ektachrome</a> <a href="/wiki/Reversal_film" title="Reversal film">reversal</a> photographic film. The two processes are very similar, and differ depending on the film. <a href="/wiki/Kodak" title="Kodak">Kodak</a> sold kits that could process either kind of film. </p> <div class="mw-heading mw-heading2"><h2 id="Processing">Processing</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=E-3_process&action=edit&section=1" title="Edit section: Processing"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1237032888/mw-parser-output/.tmulti">.mw-parser-output .tmulti .multiimageinner{display:flex;flex-direction:column}.mw-parser-output .tmulti .trow{display:flex;flex-direction:row;clear:left;flex-wrap:wrap;width:100%;box-sizing:border-box}.mw-parser-output .tmulti .tsingle{margin:1px;float:left}.mw-parser-output .tmulti .theader{clear:both;font-weight:bold;text-align:center;align-self:center;background-color:transparent;width:100%}.mw-parser-output .tmulti .thumbcaption{background-color:transparent}.mw-parser-output .tmulti .text-align-left{text-align:left}.mw-parser-output .tmulti .text-align-right{text-align:right}.mw-parser-output .tmulti .text-align-center{text-align:center}@media all and (max-width:720px){.mw-parser-output .tmulti .thumbinner{width:100%!important;box-sizing:border-box;max-width:none!important;align-items:center}.mw-parser-output .tmulti .trow{justify-content:center}.mw-parser-output .tmulti .tsingle{float:none!important;max-width:100%!important;box-sizing:border-box;text-align:center}.mw-parser-output .tmulti .tsingle .thumbcaption{text-align:left}.mw-parser-output .tmulti .trow>.thumbcaption{text-align:center}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmulti .multiimageinner img{background-color:white}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmulti .multiimageinner img{background-color:white}}</style><div class="thumb tmulti tright"><div class="thumbinner multiimageinner" style="width:408px;max-width:408px"><div class="trow"><div class="theader">Ektachrome film structure and exposure</div></div><div class="trow"><div class="tsingle" style="width:202px;max-width:202px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:E-6_step_00.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/E-6_step_00.svg/200px-E-6_step_00.svg.png" decoding="async" width="200" height="95" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/18/E-6_step_00.svg/300px-E-6_step_00.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/18/E-6_step_00.svg/400px-E-6_step_00.svg.png 2x" data-file-width="420" data-file-height="200" /></a></span></div><div class="thumbcaption">Structure</div></div><div class="tsingle" style="width:202px;max-width:202px"><div class="thumbimage"><span typeof="mw:File"><a href="/wiki/File:E-6_step_01.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/E-6_step_01.svg/200px-E-6_step_01.svg.png" decoding="async" width="200" height="95" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/E-6_step_01.svg/300px-E-6_step_01.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/E-6_step_01.svg/400px-E-6_step_01.svg.png 2x" data-file-width="420" data-file-height="200" /></a></span></div><div class="thumbcaption">Sample exposure to various colors</div></div></div></div></div> <p>Ektachrome film has three separate light-sensitive layers; each layer is sensitive to a different group of wavelengths corresponding to red, green, and blue colors. When the film is exposed, each layer records a latent image based on its sensitivity. A yellow filter prevents blue light from exposing the green- and red-sensitive layers, which have some sensitivity to blue light.<sup id="cite_ref-Z119-1_1-0" class="reference"><a href="#cite_note-Z119-1-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Films are processed at 75 °F (23.9 °C) with a tolerance of only ±0.5°F; exceeding these limits could cause color shifts.<sup id="cite_ref-E-13_2-0" class="reference"><a href="#cite_note-E-13-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 30–31">: 30–31 </span></sup> The steps are: </p> <div style="clear:both;" class=""></div> <table class="wikitable" style="font-size:90%;text-align:left;"> <caption>Early Ektachrome processes </caption> <tbody><tr> <th colspan="3" rowspan="2">Step</th> <th rowspan="2">Schematic</th> <th colspan="2">E-1 (1946)<sup id="cite_ref-Talbert_3-0" class="reference"><a href="#cite_note-Talbert-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></th> <th colspan="2">E-1 (1955)<sup id="cite_ref-E-13_2-1" class="reference"><a href="#cite_note-E-13-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup><sup class="reference nowrap"><span title="Page / location: 30–31">: 30–31 </span></sup><br />E-2 (1955)<sup id="cite_ref-Talbert_3-1" class="reference"><a href="#cite_note-Talbert-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup><br />E-3 (1959)<sup id="cite_ref-Talbert_3-2" class="reference"><a href="#cite_note-Talbert-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup></th> <th rowspan="2">Description </th></tr> <tr> <th>Time (min)</th> <th>Temp. </th> <th>Time (min)</th> <th>Temp. </th></tr> <tr> <td rowspan="3" style="background:#000;">  </td> <th>1</th> <th>First developer </th> <td rowspan="3"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:E-6_step_02.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/E-6_step_02.svg/150px-E-6_step_02.svg.png" decoding="async" width="150" height="71" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/21/E-6_step_02.svg/225px-E-6_step_02.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/21/E-6_step_02.svg/300px-E-6_step_02.svg.png 2x" data-file-width="420" data-file-height="200" /></a></span> </td> <td>15</td> <td>68 °F (20 °C) </td> <td>10</td> <td>75 °F (24 °C) </td> <td>This is a conventional black-and-white developer, which develops the exposed portions as a negative. </td></tr> <tr> <th>2</th> <th>Stop bath / rinse </th> <td>1</td> <td>65–72 °F (18–22 °C) </td> <td>1</td> <td>73–77 °F (23–25 °C) </td> <td> </td></tr> <tr> <th>3</th> <th>Hardener </th> <td>5–10</td> <td>66–70 °F (19–21 °C) </td> <td>3–10</td> <td>73–77 °F (23–25 °C) </td></tr> <tr> <td rowspan="12" style="background:#fff;">  </td> <th>4</th> <th>Reversal exposure </th> <td rowspan="2"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:E-1_step_02a.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/E-1_step_02a.svg/150px-E-1_step_02a.svg.png" decoding="async" width="150" height="71" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/1f/E-1_step_02a.svg/225px-E-1_step_02a.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/1f/E-1_step_02a.svg/300px-E-1_step_02a.svg.png 2x" data-file-width="420" data-file-height="200" /></a></span> </td> <td colspan="4">varies (typically 5 sec/side) </td> <td>The film is removed from the tank and thoroughly exposed with a bright light for either 5 seconds on each side, or each end of the reel is exposed for 15 seconds at a distance of 1 ft (0.30 m) from a No. 2 <a href="/wiki/Photoflood" title="Photoflood">photoflood</a>. This step sensitizes the remaining silver halide crystals for the colour developer. Replace in tank, though the lid was no longer required. </td></tr> <tr> <th>5</th> <th>Wash </th> <td>5</td> <td>65–72 °F (18–22 °C) </td> <td>3</td> <td>73–77 °F (23–25 °C) </td> <td>Using running water </td></tr> <tr> <th>6</th> <th>Colour developer </th> <td rowspan="4"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:E-6_step_03.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/E-6_step_03.svg/150px-E-6_step_03.svg.png" decoding="async" width="150" height="71" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/E-6_step_03.svg/225px-E-6_step_03.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/37/E-6_step_03.svg/300px-E-6_step_03.svg.png 2x" data-file-width="420" data-file-height="200" /></a></span> </td> <td>25</td> <td>66–70 °F (19–21 °C) </td> <td>15</td> <td>73–77 °F (23–25 °C) </td> <td>This develops the now exposed silver bromide, and simultaneously activates the dye couplers in the three colour-sensitive layers of the film. </td></tr> <tr> <th>7</th> <th>Wash </th> <td>5</td> <td>65–72 °F (18–22 °C) </td> <td>5</td> <td>73–77 °F (23–25 °C) </td> <td>Using running water </td></tr> <tr> <th>8</th> <th>Clear </th> <td>5</td> <td>66–70 °F (19–21 °C) </td> <td>5</td> <td>73–77 °F (23–25 °C) </td> <td>To remove pink stains left by the colour developer. Solution saved for fixing bath (step 12). In the E-1 process, this is noted as a "clearing and fixing bath." </td></tr> <tr> <th>9</th> <th>Rinse </th> <td>1</td> <td>65–72 °F (18–22 °C) </td> <td>1</td> <td>73–77 °F (23–25 °C) </td> <td>Using running water for at least 30 seconds, but not more than 90 seconds. </td></tr> <tr> <th>10</th> <th>Bleach </th> <td rowspan="2"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:E-6_step_04.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/E-6_step_04.svg/150px-E-6_step_04.svg.png" decoding="async" width="150" height="71" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/92/E-6_step_04.svg/225px-E-6_step_04.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/92/E-6_step_04.svg/300px-E-6_step_04.svg.png 2x" data-file-width="420" data-file-height="200" /></a></span> </td> <td>10</td> <td>66–70 °F (19–21 °C) </td> <td>8</td> <td>73–77 °F (23–25 °C) </td> <td>To convert all the developed silver into compounds that are made soluble in the fixer </td></tr> <tr> <th>11</th> <th>Rinse </th> <td>1</td> <td>65–72 °F (18–22 °C) </td> <td>1</td> <td>73–77 °F (23–25 °C) </td> <td> </td></tr> <tr> <th>12</th> <th>Fix </th> <td rowspan="4"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/File:E-6_step_05.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/E-6_step_05.svg/150px-E-6_step_05.svg.png" decoding="async" width="150" height="71" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a9/E-6_step_05.svg/225px-E-6_step_05.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a9/E-6_step_05.svg/300px-E-6_step_05.svg.png 2x" data-file-width="420" data-file-height="200" /></a></span> </td> <td>5</td> <td>66–70 °F (19–21 °C) </td> <td>3</td> <td>73–77 °F (23–25 °C) </td> <td>To remove all the developed silver. In the E-1 process, this is noted as a "clearing and fixing bath." </td></tr> <tr> <th>13</th> <th>Wash </th> <td>10</td> <td>65–72 °F (18–22 °C) </td> <td>8</td> <td>73–77 °F (23–25 °C) </td> <td>Running water </td></tr> <tr> <th>14</th> <th>Stabilizing / Wetting agent rinse </th> <td>1</td> <td>65–72 °F (18–22 °C) </td> <td>1</td> <td>73–77 °F (23–25 °C) </td> <td>Using Kodak Photo-Flo to remove water droplets </td></tr> <tr> <th>15</th> <th>Dry </th> <td colspan="2">not specified </td> <td>varies</td> <td><110 °F (43 °C) </td> <td>Same as for black-and-white films </td></tr></tbody></table> <p>The original Ektachrome process introduced in 1946 used similar steps with different durations; the total processing time was approximately 90 minutes.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> It was renamed to E-1 when the E-2 process was introduced in 1955 for ASA 32 Ektachrome, followed by E-3 for ASA 50 Ektachrome in 1959.<sup id="cite_ref-Talbert_3-3" class="reference"><a href="#cite_note-Talbert-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Films designed for E-2 and E-3 are prone to fading because of the instability of the color dyes.<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> The processes were phased out in 1974 in favor of <a href="/wiki/E-4_process" title="E-4 process">E-4</a> (which was introduced in 1966), and two years later <a href="/wiki/E-6_process" title="E-6 process">E-6</a> was introduced which remains in use to this day. </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=E-3_process&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Z119-1-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Z119-1_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20050825145808/http://kodak.com/global/plugins/acrobat/en/service/Zmanuals/z119-1.pdf">"Process E-6 Using KODAK Chemicals, Process E-6 Publication Z-119 | Chapter 1: Processing solutions and their effects"</a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/Kodak" title="Kodak">Kodak</a>. Archived from <a rel="nofollow" class="external text" href="http://www.kodak.com/global/plugins/acrobat/en/service/Zmanuals/z119-1.pdf">the original</a> <span class="cs1-format">(PDF)</span> on August 25, 2005.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Process+E-6+Using+KODAK+Chemicals%2C+Process+E-6+Publication+Z-119+%7C+Chapter+1%3A+Processing+solutions+and+their+effects&rft.pub=Kodak&rft_id=http%3A%2F%2Fwww.kodak.com%2Fglobal%2Fplugins%2Facrobat%2Fen%2Fservice%2FZmanuals%2Fz119-1.pdf&rfr_id=info%3Asid%2Fen.wikipedia.org%3AE-3+process" class="Z3988"></span></span> </li> <li id="cite_note-E-13-2"><span class="mw-cite-backlink">^ <a href="#cite_ref-E-13_2-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-E-13_2-1"><sup><i><b>b</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation book cs1"><span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/kodakektachromef00east/"><i>Kodak Ektachrome Film, Publication No. E-13</i></a></span>. Eastman Kodak Company. 1955.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Kodak+Ektachrome+Film%2C+Publication+No.+E-13&rft.pub=Eastman+Kodak+Company&rft.date=1955&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fkodakektachromef00east%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AE-3+process" class="Z3988"></span></span> </li> <li id="cite_note-Talbert-3"><span class="mw-cite-backlink">^ <a href="#cite_ref-Talbert_3-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-Talbert_3-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-Talbert_3-2"><sup><i><b>c</b></i></sup></a> <a href="#cite_ref-Talbert_3-3"><sup><i><b>d</b></i></sup></a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFTalbert,_Michael" class="citation web cs1">Talbert, Michael. <a rel="nofollow" class="external text" href="https://www.photomemorabilia.co.uk/Colour_Darkroom/Early_Kodak_Ektachrome.html">"Kodak Ektachrome Colour Transparency films"</a>. <i>Photo Memorabilia</i><span class="reference-accessdate">. Retrieved <span class="nowrap">24 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Photo+Memorabilia&rft.atitle=Kodak+Ektachrome+Colour+Transparency+films&rft.au=Talbert%2C+Michael&rft_id=https%3A%2F%2Fwww.photomemorabilia.co.uk%2FColour_Darkroom%2FEarly_Kodak_Ektachrome.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AE-3+process" class="Z3988"></span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation magazine cs1"><a rel="nofollow" class="external text" href="https://archive.org/details/1946-12-science-illustrated/page/74/mode/2up">"Ektachrome...How to Process It"</a>. <i>Science Illustrated</i>. December 1946. p. 56;74<span class="reference-accessdate">. Retrieved <span class="nowrap">24 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science+Illustrated&rft.atitle=Ektachrome...How+to+Process+It&rft.pages=56%3B74&rft.date=1946-12&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2F1946-12-science-illustrated%2Fpage%2F74%2Fmode%2F2up&rfr_id=info%3Asid%2Fen.wikipedia.org%3AE-3+process" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchwalberg,_Bob1982" class="citation magazine cs1">Schwalberg, Bob (January 1982). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=wKwkwoFbNjQC&pg=PA83">"Color Preservation Update"</a>. <i>Popular Photography</i>. pp. 81–85, 131<span class="reference-accessdate">. Retrieved <span class="nowrap">24 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Popular+Photography&rft.atitle=Color+Preservation+Update&rft.pages=81-85%2C+131&rft.date=1982-01&rft.au=Schwalberg%2C+Bob&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DwKwkwoFbNjQC%26pg%3DPA83&rfr_id=info%3Asid%2Fen.wikipedia.org%3AE-3+process" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKrause,_Peter1999" class="citation magazine cs1">Krause, Peter (April 1999). <a rel="nofollow" class="external text" href="https://books.google.com/books?id=5RGaYCAAedMC&pg=PA76">"How long will your color prints last?"</a>. <i>Popular Photography</i>. pp. 76–77, 92, 94, 182<span class="reference-accessdate">. Retrieved <span class="nowrap">24 August</span> 2023</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Popular+Photography&rft.atitle=How+long+will+your+color+prints+last%3F&rft.pages=76-77%2C+92%2C+94%2C+182&rft.date=1999-04&rft.au=Krause%2C+Peter&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D5RGaYCAAedMC%26pg%3DPA76&rfr_id=info%3Asid%2Fen.wikipedia.org%3AE-3+process" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=E-3_process&action=edit&section=3" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a rel="nofollow" class="external text" href="http://www.kodak.com/global/en/professional/support/techPubs/cis111/cis111.jhtml">Kodak specifications for hand mixing of chemistry</a></li></ul> <p>Processing of older Ektachrome films including Process E-3: </p> <ul><li><a rel="nofollow" class="external text" href="http://www.filmrescue.com">Film Rescue</a> USA and Canada</li> <li><a rel="nofollow" class="external text" href="http://www.rockymountainfilm.com">Rocky Mountain</a> USA</li></ul> <p><br /> </p> <style data-mw-deduplicate="TemplateStyles:r1012311289">.mw-parser-output .asbox{position:relative;overflow:hidden}.mw-parser-output .asbox table{background:transparent}.mw-parser-output .asbox p{margin:0}.mw-parser-output .asbox p+p{margin-top:0.25em}.mw-parser-output .asbox-body{font-style:italic}.mw-parser-output .asbox-note{font-size:smaller}.mw-parser-output .asbox .navbar{position:absolute;top:-0.75em;right:1em;display:none}</style><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:Crystal_128_camera_SVG.svg" class="mw-file-description"><img alt="Stub icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Crystal_128_camera_SVG.svg/35px-Crystal_128_camera_SVG.svg.png" decoding="async" width="35" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Crystal_128_camera_SVG.svg/53px-Crystal_128_camera_SVG.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Crystal_128_camera_SVG.svg/70px-Crystal_128_camera_SVG.svg.png 2x" data-file-width="128" data-file-height="128" /></a></span></td><td><p class="asbox-body">This photography-related article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. 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