Fairly basic one this week, since I have several that I’d like to tackle that will take more preparation than I have time available for right now. So we’ll talk about one of the staples, and that’s ISO, formerly (unofficially) known as film speed.
Short explanation: ISO refers to how sensitive the digital sensor (or indeed, the film) is to light
When first/last I featured this duo, I said that I wasn’t sure where it was taken – the obvious choice was the North Carolina Zoological Park in Asheboro, given how long ago it was taken and the negative film used. Except I didn’t recall ever seeing mandrills (Mandrillus sphinx) there. Since that time, I found several more examples in my negative pages,
