[Leica] OT: large format lens vs. medium format lens

[richard at richardmanphoto.com (Richard Man)]

Mainly the Nikkor 90mm SWD, but I think the other lens are similar...

On Tue, Oct 16, 2012 at 10:02 PM, Frank Filippone <red735i at 
verizon.net>wrote:

> Film flatness plays its part....
> Your lens is trying to project an image circle equivalent to a 5x7 negative
> area....not an easy task....
>
> What lens are you using?
>
> Frank Filippone
> Red735i at verizon.net
>
> Always been my understanding of it, not the same enlargement so not the
> same
> lens resolving. Newer LF lenses are much better than most old ones
> though....
>
> john
>
> -----Original Message-----
>
> As Iwas formulating the question, it sounds like the answer IS obvious, but
> just want to confirm.
>
> I am testing the Shenhao 617 and it could be my focusing techniques and
> other issues, but it appears to me that the images are not as sharp on the
> same film as images made by, well, the Hassy SWC.
>
> Yes, I am expecting someone to jump in and say of course the SWC is razor
> sharp because it's the legendary Biogon etc., but I am now thinking that
> this generally will be the case, as the large format lens are designed to
> cover large negative (and the smallest 4x5 dwarfs the 617) so they do not
> generally have the resolution and sharpness that a good medium format lens
> has.
>
> Is this correct?
>
> --
> // richard <http://www.richardmanphoto.com>
>
>
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-- 
// richard <http://www.richardmanphoto.com>