BTZS Blur Analysis - Area Blur - 4x5, 5x7 and 8x10 (You accumulation the film)
BTZS Blur Test (you accumulation the film) - for 4x5 film, 5x7 & 8x10 .
You accumulation 8 (eight) bedding of film for testing.
Please alarm or email with questions about blur testing, so we can go over the blur and developer you are application and how you are processing the film.
For accessories on BTZS blur testing, amuse go to BTZS.org: http://www.btzs.org/Articles.htm