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[OM] Re: OM lenses

Subject: [OM] Re: OM lenses
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Fri, 09 Nov 2007 06:45:20 -0500
What Garth said.  You have a rich taste in lenses.  Fine for the OM's 
but not so great for E-things.  Of the lenses listed I only own a Zuiko 
24/2.8 and a Tokina 17/3.5 and wouldn't part with either one since they 
represent the widest lenses I own.  I have some Kiron zooms in the same 
general focal length range as the Zuiko 35-80/2.8 which are good 
performers but probably have a value of about 5-10% of the Zuiko.

When you asked the question did you realize that the 4 lenses you picked 
were some of rarest and most expensive around?

Chuck Norcutt

Garth Wood wrote:
> Matthew Granger wrote:
>> Cheers Chuck
>>
>> I am really looking for a wide/very wide angle like 18/21/24mm. Also the
>> 35-80mm f2.8 zoom.
>>
>> And it would need to be sent to Australia.
> 
> Matthew:
> 
> Each of the prime lenses you mention are certainly wides or very wides 
> in 35mm format, but if you mount them on a Four-Thirds format camera, 
> you lose that width, because only 1/4 of the image circle gets 
> effectively projected onto the imaging chip of the Oly DSLR.  Thus, an 
> 18mm OM-mount lens, on the Oly digi, would only give you the same FOV as 
> a 36mm lens would on a 35mm film camera.  Since the 18/3.5 OM-mount lens 
> is one of the rarest and most expensive of the OM primes, this would be 
> a financially inefficient way of trying to get "wide" on an Oly DSLR.
> 
> And the 35-80/2.8?  Has a FOV of 70-160mm (35mm equivalent) on an Oly 
> DSLR.  It's also a rare and costly lens, even used.
> 
> If you're trying to go wide, *really* wide, on an Oly DSLR, you need to 
> think about buying the new Digital Zuikos designed for the Oly DSLR. 
> Sorry, but mounting old OM wides on an Oly DSLR is just not that great 
> an idea.
> 
> Now on the other hand, the more "telephoto-like" your old OM-mount lens 
> is, the better (on average) it'll perform on an Oly DSLR, because such 
> lenses are already "telecentric" designs, and they better suit the way 
> the imaging chip accepts light.  My 100/2.0 OM Zuiko is a fabulous 
> performer on the E-1 and E-410 I own, but the 21/2.0 is simply "okay" 
> (and is basically a "normal" FOV lens in the Four-Thirds format).
> 
> 
> Garth
> 
> 
> 
> 
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