Comparison of 35mm and Medium format negative sizes

http://photoethnography.com/ClassicCameras/filmformats.html I found this page while looking for a list of which medium format cameras shoot 6×7 … not exactly what I was originally looking for but wanted to make a note since this is useful information.  Photoethnography.com has a lot of other interesting stuff worth checking out. 120 film: Kodak numbered all of its film types, starting with 100 (I think). So 120 roll film is actually a rather early format. It was used in the Kodak Brownie cameras. TheRead more

Wikipedia’s List of Photographic Films a great reference

Source: List of photographic films – Wikipedia Recently I landed on this great and very complete film stock reference page at Wikipedia and thought I’d share it. What makes it so useful is one can quickly find the particular characteristics of each film stock, ie. fine grain, pushes to ISO 3200, etc.   If you find yourself wanting to test different emulsions coming out or happen like me to get old film stock in lots of cameras and want to knowRead more

F-stop, T-stops and even H-stops

I’ve been reading about the differences between T-stops which are based on the measured amount of light as opposed to a calculated f/stop, and I’ve found this wikipedia page to be super useful.  Wikipedia.org page on F-numbers Check it out as it has lots of great information including all the math formulas and other useful information  – and btw   T-stops take in account the efficiency of the lens and can be different from a calculated f/stop because most lesses only transmitRead more