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Re: [OM] Retro focus?

Subject: Re: [OM] Retro focus?
From: "C.H.Ling" <chling@xxxxxxxxxxxxx>
Date: Mon, 09 Dec 2002 15:13:08 +0800
Also, may be due to the close film to rear lens distance, the edge
fall off looks to be more serious than the SLR. Haven't pay with any
range finder super wide, just impressed by some Leica 21mm slides and
some C/V 15mm prints, the vignetting was very obvious.

C.H.Ling

Albert wrote:
> 
> I'm not a math genius, but from my understanding, the Hassy 903 was
> designed to not be an SLR because it then doesn't require retro focus on
> the back end, which is usually what makes a wide angle so big.
>  Rangefinders in general don't have th requirement, and the rear element
> and the filmplane is so close, thus the lenses are generally smaller.
> 
> Give this to be the case, shouldn't the Leica lenses beat pretty much
> all the other lenses, as it's technically easier to make a lens that's
> sharp for an RF vs an SLR?
> 
> It would seem that way to me; and why the Mamiya 7 lenses are tack
> sharp, as is the Fuji Rangefinders, as is the Hassy 903 and the Leicas etc..
> 
> Or am I really off here??  I don't think I am..
> Albert

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