JChrome
Street Worker
But let's remember you don't feed the digital camera any film, so if you shoot a lot, then you depreciation is similar to film costs.
Excellent point.
Quick and dirty:
A7 New at release: $1700
Price on the 'Bay now: $1100
Loss of Value over the Year: $600.
This is a pretty precipitous drop and I was surprised to see those prices on the 'Bay. But the question is - did you spend $600 on film and processing this year?
Disclaimer/Footnotes - of course this is not a perfect calculation and many assumptions are baked in. The price drop in a digital camera will bottom out at some point, the first year a camera is released is probably when it will lose the most value. Also, of course you cannot compare film to digital exactly. I value the film look as well as having the physical negatives and I am willing to pay a premium for it. But if you allow some flexibility in the comparison, then it's safe to say digital costs less if you shoot with the same body/lens for a few years.
Further disclaimer - I only shoot film, and won't be buying a digital RF.