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Re: [OM] Lens size - was 35mm vs. 6x9

Subject: Re: [OM] Lens size - was 35mm vs. 6x9
From: Andrew Dacey <frugal@xxxxxxxxxxxxxxx>
Date: Sun, 13 Jan 2002 13:57:27 -0400
On 1/13/02 5:56 AM, "dreammoose" <dreammoose@xxxxxxxxx> wrote:

> At least a couple of things at work here.
> A 75mm lens for 6x9 has to create an image which is in focus, evenly
> illuminated, etc. over a much larger area of film than a 75mm lens for
> 35mm. Than means many of the elements behind the front, esp the rear
> elements, can be smaller and lighter and the overall support structure
> can be smaller and lighter. Assuming from the subject line that you are
> talking about a Mamiya 6x9, it has a much larger image circle than a
> Rollei 6x6.

Actually, although I never did mention it, I was referring to my Mamiya
M645's 80mm 2.8 lens.

-- 
Andrew "Frugal" Dacey
frugal@xxxxxxxxxxxxxxx
http://www.tildefrugal.net/


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