http://www.graflex.org/speed-graphic/pacemaker-crown-graphic.htmlMy question: May I use or fit a 400mm lens, e.g. a Fujinon 8/400mm Copal 1 lens?? - Or is the bellow of my Graflex too short??
While that equation is valid, it's not relevant.http://www.graflex.org/speed-graphic/pacemaker-crown-graphic.html
1 inch=25.4mm; 12.5*25.4=317.5
How so, surface skimmer?While that equation is valid, it's not relevant.
Because bellows draw is not related to flange focal distance for a telephoto design.click on the associated link in the post. the 4x5 Crown Graphic has 12 1/2 inches of bellows draw!
In your eyes only.Obviously you don't understand the difference.
While that equation is valid, it's not relevant.
Making a lens board that puts the lens mount 125 millimeters out from the front standard should give enough extension to focus a 400mm lens but you might get vignetting.
Wow. You really are out to lunch. Two categorically wrong statements in one post.Telescopic did not appear until post 2.
That statement is correct, but your previous comments were about optical photo length, not flange focal distance.Correct flange distance cannot be achieved if the bellows are too short.
A top hat lens board? On a Graphic? Has there ever been such a thing?
A 400 mm lens of normal construction -- in this context, not telephoto -- needs around 400 mm of extension to focus to infinity. How much depends on where the flange is relative to the rear node. Fine, wonderful. But how about focusing closer?
The masssive Fuji lens list at http://www.subclub.org/fujinon/byfl.htmwhat SF was suggesting is making a top hat lensboard for a longer focal length lens
it is perfectly relevant if the OP doesn't want to use a telephoto, but the fujinon 400 he already has.
The masssive Fuji lens list at http://www.subclub.org/fujinon/byfl.htm
only lists two lenses of 400mm focal length, both f/8 and both in the T series, meaning telephoto.
Their Flange Focal Distances are listed as 259.2mm or 252.4mm.
There are no non-telephoto lenses listed at 400m focal length.
- Leigh
A top hat lens board? On a Graphic? Has there ever been such a thing?
if the lens is a TELE design you can do it.
i regularly use a 15" tele optar on my speed graphic with no issue at all ( 15" is 381mm )
from what i remember, the speed or crown graphics do not have enough bellows to go out 15"
i have a toyo 45cx and its bellows might not be long enough for that long a lens**, no idea of the other toyo field or wista cameras.
** i can't use a converted 210/370 symmar converted to 370, it takes like 440+mm of bellows and the view camera doesn't have it ...
no idea where the focus nodes are in your fujinon or the type of photography ( close or at infinity ) you will be doing.
some teleoptars are found in shutters on the bay i never used to see them, now they come up more often.
good luck !
I would make a top hat from a can. Attach it permanently to a lens board, and cut a hole in the bottom of the correct size for the shutter. I have used this solution many times over the years.Hi, analogue friends;
I am using a Graflex, Crown Graphic, with a 75mm, 105mm, 150mm und a 250mm lens.
My question: May I use or fit a 400mm lens, e.g. a Fujinon 8/400mm Copal 1 lens?? - Or is the bellow of my Graflex too short??
Are there extensions reels for the Graflex types??
Would a Toyo field or a Wista field camera do a better job??
Thanks a lot for any answer!
Jan-Peter from Germany
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