Well, turns out I folded and bought a computer! Well, actually, nowadays you can just get computers out of the trash, which is largely what I do. But that's besides the point. For me, Mr. Berry's list can be applied very well to mechanical film cameras, let's take a look:
1. The new tool should be cheaper than the one it replaces.
DSLR's are much more expensive than 35mm SLR's but there is much savings in not burning through film, so I'll give Digital this one.
2. It should be at least as small in scale as the one it replaces.
Digital cameras tend to be larger than film cameras with the same sensor/film size although this is changing.
3. It should do work that is clearly and demonstrably better than the
one it replaces.
Digital can now reach much higher ISO's than film, in color. There is no reciprocity failure during long exposures and there are numerous other advantages that are maybe more commonly pointed out and known.
4. It should use less energy than the one it replaces.
Digital cameras in fact use much more energy than film cameras, even more than fully automated film cameras. Two tiny button cell batteries in a Nikon F2 will last a year or more with regular use whereas a DSLR's large battery pack must be charged and recharged even during a single shoot.
5. If possible, it should use some form of solar energy, such as that
of the body.
Manual film cameras in particular are very energy efficient. They primarily use the photographer's body to control them and make them function. Many classic cameras feature light meters that are powered by selenium cells. These cells convert light energy into a tiny electrical current that can give a photographer a light reading and even power a small amount of auto exposure on some models.
6. It should be repairable by a person of ordinary intelligence,
provided that he or she has the necessary tools.
Manual film cameras and lenses contain many parts/mechanisms that are repairable by a person of ordinary intelligence. Electronic cameras are often not even serviceable by professionals due to the high cost of replacement parts which is the result of how short production runs of parts are for these highly specialized, always changing cameras.
7. It should be purchasable and repairable as near to home as
Film cameras and the age of brick and mortar photography stores seem to go hand in hands. As film was lost in the public eye, so too did all the dedicated photography shops go out of business. Digital cameras are primarily purchased from large corporate retailers and have to be sent away for repair.
8. It should come from a small, privately owned shop or store that
will take it back for maintenance and repair.
Due to the complicated electronic nature of digital cameras, small, privately owned business have little to do with this technology. Whereas small shops once were the main source of repair and the sale of very old and used film cameras.
9. It should not replace or disrupt anything good that already exists,
and this includes family and community relationships.