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- Path: sparky!uunet!uunet.ca!geac!utcsri!csri.toronto.edu!acs
- Newsgroups: rec.photo
- From: acs@csri.toronto.edu (Alvin Chia-Hua Shih)
- Subject: Re: Canon EF teleconverters (was Re: When does price beat out the best choice for you?)
- Message-ID: <1993Jan27.153311.16647@jarvis.csri.toronto.edu>
- References: <1k0r7rINNijv@transfer.stratus.com> <1993Jan25.130101.22896@jarvis.csri.toronto.edu> <1993Jan26.151903.25808@ryn.mro4.dec.com> <1993Jan26.113934.14097@jarvis.csri.toronto.edu> <PD.93Jan27121129@horus.sics.se> <1993Jan27.104018.3462@jarvis.csri.toronto.edu> <1993Jan27.174119.19856@walter.bellcore.com>
- Date: 27 Jan 93 20:33:11 GMT
- Lines: 28
-
- In <1993Jan27.174119.19856@walter.bellcore.com> jchen@wind.bellcore.com (Jason Chen) writes:
-
- >|> The front element of the TC protrudes a little in comparison to the
- >|> body of the TC. Similarly, only certain lenses have recessed rear
- >|> elements.
- >|>
- >|> Thus, on a lens without a recessed rear element, the TCs front element
- >|> protrusion prevents the TC from mating with the lens.
- >|>
- >|> Alvin_C._Shih____________________acs@csri.utoronto.ca______________________|
-
- >Is physical compatibility all what the problem is? How about optical
- >compatibility?
-
- >If I can mate a lens with a Canon TC physically, does it mean that it will
- >work perfectly?
-
- No. Canon lists the lenses that are supposed to be used with the TCs.
-
- >Jason Chen
-
- ACS
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- Alvin_C._Shih____________________acs@csri.utoronto.ca______________________|
-