35mm colour photo transparencies stored and waiting for digital scanning. Kodachrome positive 35mm film made by Kodak was a popular choice for photogr Stock Photo - Alamy
![](https://l450v.alamy.com/450v/2a6dh4r/irregular-greenish-spots-caused-by-mold-on-a-color-film-transparency-have-ruined-this-picture-of-an-elderly-american-couple-enjoying-a-meal-in-a-restaurant-while-on-vacation-in-1980-the-cause-of-mold-appearing-on-photographs-over-time-is-often-a-mystery-it-frequently-can-be-from-excessive-humidity-or-heat-where-the-pictures-have-been-stored-in-regard-to-this-image-the-mold-may-have-been-caused-by-the-leaching-of-chemicals-from-the-plastic-sleeve-in-which-the-kodak-ektachrome-35mm-slide-was-kept-another-possible-cause-for-mold-on-photos-is-improper-processing-2a6dh4r.jpg)
![](https://upload.wikimedia.org/wikipedia/commons/4/46/Slide.jpg)
Reversal film - Wikipedia
![](https://c8.alamy.com/comp/2J9M0BX/original-1930s-kodak-photo-wallet-used-by-a-british-customer-in-1937-uk-2J9M0BX.jpg)
Kodak photo hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/C76BPE/a-box-of-35mm-film-colour-transparencies-e6-process-mounted-slides-C76BPE.jpg)
a box of 35mm film colour transparencies, E6 process, mounted slides Stock Photo - Alamy
![](https://c8.alamy.com/comp/HKJFT1/kodak-ektachrome-35mm-transparency-film-HKJFT1.jpg)
Kodak Ektachrome 35mm Transparency Film Stock Photo - Alamy
![](https://live.staticflickr.com/5323/9277476429_659a1be9fa_b.jpg)
Kodachrome 35mm Colour Transparencies from the 1950s
![](https://l450v.alamy.com/450v/2jjjrc7/old-box-of-35mm-kodak-colour-slides-processed-by-kodak-with-pile-of-kodachrome-transparency-slides-2jjjrc7.jpg)
Old box of 35mm Kodak colour slides processed by Kodak with pile of Kodachrome transparency slides Stock Photo - Alamy
![](https://c8.alamy.com/comp/2PGRX92/35mm-slide-projector-tray-and-old-slr-2PGRX92.jpg)
35mm slides transparencies hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/2BBHC1H/classic-roll-of-kodachrome-64-35mm-slide-film-on-a-table-2BBHC1H.jpg)
Kodak kodachrome transparency hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/W24A33/kodak-kodachrome-ii-35mm-film-cartridge-expired-in-september-1968-W24A33.jpg)
Kodak kodachrome transparency hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/GN713G/one-roll-of-kodak-kodachrome-file-with-canister-GN713G.jpg)
Kodak kodachrome transparency hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/G5R87M/auctioneer-paul-fairweather-holds-four-colour-transparencies-of-the-G5R87M.jpg)
Colour transparencies hi-res stock photography and images - Alamy
![](https://c8.alamy.com/comp/2WYRGH3/vintage-kodak-color-35-mm-slides-original-dia-positive-transparencies-analog-photography-2WYRGH3.jpg)
35mm slides transparencies hi-res stock photography and images - Alamy