dr5 chrome

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dr5, or dr5 Chrome, is a reversal black-and-white process, via which most kinds of black-and-white negative films produce transparencies (slides). It was developed by David Wood, CEO and proprietor of dr5 Chrome Lab, a photographer turned photographic chemist.[1] The dr5 process is a chemical reversal process, rather than the standard light-based reversal for B&W transparency (black and white slide].[1] David Wood recently contributed to the acclaimed Darkroom Cookbook.[2]


The "dr5 process", the 5th incarnation of the process and was Derived at by experimentation by David Wood from 1989 - 1991. Though reversal film processing is commonly known throughout photographic history, the dr5 process is proprietary by trade secret. Done privately until 1998, the process teamed shortly with A&I[3] labs in Los Angeles CA.[4] The dr5 process won best new product in 1999 at the '99 Photo Expo-Plus Expo Review[5][6] In 2001, dr5 opened an independent lab at 38th and 8th Ave. in New York City.[7] The lab used a processor made for dr5 specifications by Tecnolab[8] in Italy. dr5-film Lab[9] relocated to Denver[10] in 2005.


  1. ^ a b "dr5 Chrome Lab". Inside Analog Photo Radio. 2008-12-13. Retrieved 2008-12-22. 
  2. ^ "Contributors chapter - Darkroom Cookbook" (PDF). 
  3. ^ "A&I's website". 
  4. ^ "Lab Profile: dr5: B&W Chromes Reborn With Proprietary dr5 Process". Rangefinder. 2005. 
  5. ^ "Photo Expo-Plus". 
  6. ^ "Expo review". 
  7. ^ "Dr 5 Chrome". Retrieved 1 November 2010. 
  8. ^ "Tecnolab's website". 
  9. ^ "dr5 lab website". 
  10. ^ "dr5 Chrome relocates to Denver". June 30, 2005. Retrieved 1 November 2010. 

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