mounting lens to board... first time - seeking advice
Hi. this might be considered a very stupid question, but...
How do I mount my lens to my board?
I just got a beautiful sample of a Rodenstock Sironar W 150, mounted in a prontor 01
I have a 1-cut technika board (for my chamonix)... and now, what to do?
Are there any special precaution with the prontor shutters, or should I follow the SK grimes page (which is helpful, but doesn't really make me feel comfortable doing it): http://www.skgrimes.com/lensmount/shutmt/index.htm
Thing is, I'm leaving for Italy in a week and this lens is going to be primary for me... so it's imperative, that I don't f*uck up :)
any advice or links to manuals/threads will be greatly appreciated (I did do a search, but couldn't find a thread, that answered these questions)
thanks,
lars
Re: mounting lens to board... first time - seeking advice
A Prontor Professional 01 and the Prontor Professional 1 shutters both mount to a 1 size hole. You just remove the rear group from the back of the shutter, remove the jam nut from the rear shutter threads, put the threads through the 1 hole in the board, replace the jam nut and tighten it with a wrench like the Rodenstock and replace the rear cell.
Re: mounting lens to board... first time - seeking advice
thanks... I know, it is supposed to be a piece of cake - I'm just afraid of damaging something or not screwing it back together correctly. Do you know of any place, where it is shown in pictures?
thanks again.
Re: mounting lens to board... first time - seeking advice
Or of course, if you're like the rest of us, you can always use duck tape to hold it in place...
Re: mounting lens to board... first time - seeking advice
I don't have pictures, but it really is easy:
1. Hold the lens by the shutter and unscrew the rear part of the lens counter-clockwise.
2. Unscrew the retaining ring.
3. Place the lens onto the board with the rear part of the shutter going through the hole.
4. Screw the retaining ring on. It is meant to be tightened using spanner wrench like this:
http://www.amazon.com/Lens-Spanner-W.../dp/B000HRD0K8
but you can tighten it by hand and then use a drafting compass, scissors, or two flat screwdrivers to tighten it a little further. Try cocking the shutter and see if the shutter holds steady against the lens board. If you feel it shift, then you need to tighten the retaining ring a little more.
5. Screw the rear part of the lens back on.
Re: mounting lens to board... first time - seeking advice
I like to cut a small donut of felt to put between the shutter and the lensboard just to make sure there's no light leak.
Re: mounting lens to board... first time - seeking advice
Quote:
Originally Posted by
mortensen
thanks... I know, it is supposed to be a piece of cake - I'm just afraid of damaging something or not screwing it back together correctly. Do you know of any place, where it is shown in pictures?
thanks again.
You won't damage anything and you can't screw it back together incorrectly, unless you somehow cross thread the threads which I have not seen happen in 30 years of selling cameras and lenses. If you are not sure any camera repair man can do it while you wait and most camera stores that handle professional equipment either in Copenhagen or in Malmö can as well.
Re: mounting lens to board... first time - seeking advice
Quote:
Originally Posted by
Bill_1856
I like to cut a small donut of felt to put between the shutter and the lensboard just to make sure there's no light leak.
Bill,
No need to do that if you have the correct size hole and the correct jam nut. Rodenstock's jam nut has a rim that will block any light leaks.
Bob
Re: mounting lens to board... first time - seeking advice
And if you cannot follow the above instructions, your next hurdle, of actually taking a photograph, will certainly be unsuccessful whether or not you actually get the lens mounted. :eek:
Nate Potter, Austin TX.
Re: mounting lens to board... first time - seeking advice
Quote:
Originally Posted by
Bill_1856
I like to cut a small donut of felt to put between the shutter and the lensboard just to make sure there's no light leak.
I would be worried that the felt might retain moisture.
--
Alan