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Can anyone explain the formula for calculating and calibrating a shutter. The copal 0 shutter on my schneider 72mm xl is dead and beyond repair, i have copal 0 on my 90mm nikon SW, and so will try...

Michael Dan and Erie
thanks for this
I wont have a chance to do test shots before i go (into the amazon for 2 weeks) so am keen to be 100 percent.
so basically i should re mark f16 as f22 etc the...

I have a prontor professional 1s shutter that came with a rodenstock 115mm grandagon-n 1:6.8. I am shooting with a 155mm rodenstostock MC f6.8 this week, and the copal 1 shutter on it is playing up,...

I am thinking of offering on this arca 10x8, without the lens, please see recent discussion forum on how I ended up going for the arca
...

Can anyone tell me about this Arca 8x10 --see photos--that i am considering buying, see photos. I can see the 4x5 kit is incomplete, and i wont need the lens, what i would like to know is if this is...

Thanks frank, I'll try and track bob down, so if i get a norma or p, how would i know ive found specific 8x10 standards, is it the size of them?

So to clarify with 10x8
With direct shift of front and back I can get a maximum of aprox 2cm or so and with some of the sinar models, p,c,f
with indirect shift more.

do the arca 10x8 and sinar...

John
I agree the last post is inspired, add in up a ladder with an underweight overextended tripod and some wind and we really are sailing
thanks for this
could you give me more detail on this, I...

All
this has been very informative and helpful
It would be really useful to see a resource for sinar that showed the weights, closed sizes and rails so i could identify between and compare the c,...

Ivan,
many thanks for this comment it really hits the nail on the head for me for something i couldn't quite pin down. I have shot exclusively with a 40mm hasselblad lens I bought new in 2003 until...

Ive had a better look at your photo steve, which answers the question whether it fits into the existing front end, so it looks like i'll need this additional board, is it is a standard 4x5 lens board?

Many Thanks Steve and Gary, I saw one of these for sale and wandered if it would do the trick, it didnt have this additional lens board, does this device clamp on tot he existing front end or do I...

Trying to use my early 65mm/f8 schneider super angulon on the linhoff technika 5, with the front bed down, the lens at infinity is half in the camera body not on the optical bench, it wont grip and i...

Lens focal length Questions
How do I calculate what lens will give me the same wide angle view of a 40mm medium format lens as a square image on 4x5 and 10x8 formats,
i.e using part of the image...

I shoot difficult to acceess wastelands. Until recently with a hasselblad and 40mm lens. I have started producing large exhibition prints, 1.6m and up, my 6cmx6cm trannies struggle.
Ive used a...