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Forum: Pentax SLR Lens Discussion
07-15-2011, 05:18 AM
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For the time being.
A lens that can change it's focal length seems to me to be the natural course of lens development.
Talking about the differences between primes and zooms here sounds very much like the talk 50 years ago between manual and auto transmissions in cars. A manual tranny was thought to be more reliable with a longer service life and gave better efficiency - now none of that is true at least with respect to passenger cars.
I think the time is coming when serious photographers, not just hobbyists, would no more use a lens that would not change focal length than they would accept a lens without a auto diaphragm.
The prime , due to it's optical simplicity, will probably always have a theoretical optical advantage but the time is coming soon, I think, when there will be no real world practical advantage to the prime even for demanding uses.
It would be interesting to read these posts 15 years from now.
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