Archived posting to the Leica Users Group, 2012/10/16

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Subject: [Leica] OT: large format lens vs. medium format lens
From: mark at rabinergroup.com (Mark Rabiner)
Date: Wed, 17 Oct 2012 02:25:09 -0400

I you mean the Nikon 90mm f/4.5
NIKKOR-SW lens its s stellar performer.
Which f stop were you shooting at?
Is it you that's developing the film?


Mark William Rabiner
Photography
http://gallery.leica-users.org/v/lugalrabs/


> From: Richard Man <richard at richardmanphoto.com>
> Reply-To: Leica Users Group <lug at leica-users.org>
> Date: Tue, 16 Oct 2012 22:22:31 -0700
> To: Leica Users Group <lug at leica-users.org>
> Subject: Re: [Leica] OT: large format lens vs. medium format lens
> 
> Well, you are probably right that I need to lock down as much variables as
> possible. I shall do that.
> 
> In these particular tests, it's the Nikkor 90 SWD lens, on Acros 100 and
> 400TX. They are 120 film of course to fit the 617 format.
> 
> Focusing on the ground glass. Cable release.
> 
> Well, more tests tomorrow.
> 
> Thanks everybody.
> 
> 
> On Tue, Oct 16, 2012 at 10:11 PM, Mark Rabiner <mark at 
> rabinergroup.com>wrote:
> 
>> Assuming that the lens which you are mysteriously not mentioning on your
>> Shenhao 617  is not a complete piece of moldy fungus ridden garbage an
>> image
>> on a 45 pieces of film does not look less sharp than one with medium
>> format.
>> It is but you not think so by sight even with a very good loupe. It look 
>> is
>> quite impressive which just jumps out at you.
>> Sure large format glass resolves less that medium format glass but that
>> fact
>> that its bigger just makes your socks being knocked off. The less times it
>> needs to be enlarged  on paper well makes up for the very slight lack of
>> resolution on the film itself.
>> What other variables are there?
>> Tripod with cable release?
>> Focusing how?
>> Subject matter low contrast?
>> What film are you using?
>> 
>> Mark William Rabiner
>> Photography
>> http://gallery.leica-users.org/v/lugalrabs/
>> 
>> 
>>> From: Richard Man <richard at richardmanphoto.com>
>>> Reply-To: Leica Users Group <lug at leica-users.org>
>>> Date: Tue, 16 Oct 2012 21:53:48 -0700
>>> To: Leica Users Group <lug at leica-users.org>
>>> Subject: [Leica] OT: large format lens vs. medium format lens
>>> 
>>> 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>
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> 
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
> 
> 
> 
> -- 
> // richard <http://www.richardmanphoto.com>
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information




Replies: Reply from richard at richardmanphoto.com (Richard Man) ([Leica] OT: large format lens vs. medium format lens)
In reply to: Message from richard at richardmanphoto.com (Richard Man) ([Leica] OT: large format lens vs. medium format lens)