BTZS Film Test - Sheet Film - 4x5, 5x7 and 8x10 (You supply the film)
BTZS Film Test (you supply the film) - for 4x5 film, 5x7 & 8x10 .
You supply 8 (eight) sheets of film for testing.
Please call or email with questions about film testing, so we can go over the film and developer you are using and how you are processing the film.
For articles on BTZS film testing, please go to BTZS.org: http://www.btzs.org/Articles.htm