(Part I is here.)
Next we have to consider exposure, focusing, and lenses.
Lenses first. My ideal camera, being a "strassenkamera," would have only three lens types—normal, wide, and short telephoto.
Of course, the lenses would be newly designed, according to...well, my tastes. (I know this is getting a little silly. Bear with me.)
But here's the refinement: each of the three lens categories would have a closely-spaced range of focal length options. The normal lens range might have four variants: say 35mm, 40mm, 45mm, and 50mm. (In 35mm equivalent terms, that's a range from about 40mm to 55mm.) The idea would be not for anyone to buy more than one of the four, but so that everyone could pick the normal lens that best suited the way they like to see. Some people like a normal that's a little wider, others, one that's a little narrower. This way everybody could have exactly what they want.
And here's a further refinement: each lens would be available in low-spec and high-spec versions. The LS versions would have exactly the same design as the HS versions, but would be mass-produced using engineering plastics with a relaxed QC tolerances—but they'd be very inexpensive. The HS version of the same lens would be made of higher-quality materials, with metal lens mounts, made to much higher standards and tolerances. Naturally, they'd be much more expensive.
The reason for this? Purchase and purposing flexibility. If you use a normal lens 95% of the time and a WA 5% of the time, you could buy an expensive HS normal and a cheap LS WA. Or, if money is tight, you could buy a LS lens first and replace it with a HS version when finances allowed.
Next, all the lenses would be have matched imaging characteristics for a consistent "look." And naturally all of them would be optimized to the sensor size and coated for digital.
(To be continued....)
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Original contents copyright 2010 by Michael C. Johnston and/or the bylined author. All Rights Reserved.