Please don't misunderstand - I have no technical optical expertise, and
have no way to know judge the validity of the claims regarding the
superiority of designing the the lenses specifically for the sensor. I
am not challenging CH's findings with his 10D; I can't imagine screwing
around that way with stopping down, etc., but the results make be fine.
And I also know that from what the Olympus people have said, results are
better with the longer OM lenses on the E-1 than they are with the
shorter focal lengths. And with that, I'm outta here...;-)
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On
Behalf Of Moose
Sent: Saturday, January 17, 2004 5:17 PM
To: olympus@xxxxxxxxxx
Subject: [OM] Re: Free OM-to-E-System adapter?!
I suppose that's one possible reason. If Oly is not being disingenuous,
it's about the only reason that makes sense. B.D. loves his E-1 and
argues that Oly must be right, but has no practical experience with OM
lenses on the E-1. Winsor's point below certainly makes sense to me.
What is one to believe?
I've been keeping my mouth shut in this discussion, but have one
practical thing to say. C.H. is known to me and others as a meticulous
photographer and technician who is about as fussy about lens performance
as anyone here, certainly more so than I. He's the one who has posted
microscope pics of film to make lens resolution comparisons and clear
samples of coma in the 180/2.8, etc. And he has been very happy with OM
lenses on his 10D. If he says the results are technically excellent, I
tend to believe it. So OM lenses can perform very well with a digital
sensor of roughly the same size and resolution as the E-1. Does CCD vs.
CMOS make a difference?
Moose
md@xxxxxxxxxxxx wrote:
>On Fri, 16 Jan 2004, Winsor Crosby wrote:
>
>
>
>>So what optical specification is different on an OM lens that makes
>>it,
>>among all the makers, uniquely unsuitable for digital? I have not
>>followed all the Olympus publicity. Have they explained that?
>>
>>
>
>It may not be the OM lenses, but rather the E-1 body itself. The E-1
>and its lenses were designed as a system and they may have optimised
>the body (CCD, firmware, etc) for the new lenses. I'm sure no
>consideration was given to existing lenses (unlike other manufacturers)
>and as a result some design decisions may have been made which
>compromised their use. That's pure speculation on my part, but I can
see how that might happen.
> -mark
>
>
>
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