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Thank you Steven, What a wonderful resource 'Antique & Classic Cameras' is... I found the Dallmeyer section very interesting indeed! Thank you for the link! 'Pointer' duly noted!

Anticlockwise... Thank you! Have you ever come across a cross-section drawing of the 2B or any similar Dallmeyer soft focus lens? All the best with your project list Steven!

Thank you Steven, Mark and goamules for your excellent suggestions! Unfortunately I haven't had the time to tackle the problem as yet but hope to give it my full attention this weekend with the help...

Thank you Mark! Will try using penetrating oil... how long do you recommend I should soak it for before trying to loosen it?

Hello, Would anyone be able to assist me? My Dallmeyer 2B soft focus adjustment will not rotate! What would be the best and safest way to free it? Thank you in advance for any replies!

5ft to 12ft.

Thank you for your helpful replies everyone! It's much appreciated!

IanG It's a shame the 240mm Nikkor cells won't fit, I've heard it's quite a good lens!

karl french Yes it is the older...

Thank you for the reply Ian... I'll try searching for the post.

I recently acquired an older Copal-No.3 shutter and wonder if anyone here could suggest any lenses suitable for portraits that would fit it. Thank you.

Great guess Steven! You're correct the internal diameter is 5.4cm! Thank you for your very kind offer of sending some 0.06mm brass... but I won't need to trouble you for it as a friend of mine who is...

What great tips Steven! I would never have thought of gluing the brass to plywood before working it, nor using velvet ribbon instead of velvet fabric! Obviously I'm not as practical as I thought I...

Thank you for posting images of the three different types of retaining rings for me. All are valid possibilities, but I think I might opt for the fourth option you mention, the undersized velvet...

I just checked the serial number again and sadly it remains 45008 as previously stated, and therefore seems to be "lost" in mystery! I wonder why there weren't very many of this lens type made?
...

Yes Steven, you are right about the size of the lens diameter... it is indeed 1 3/4", so it does seem to be 'the more unusual' no. 2 you describe! Perhaps that's why I haven't been able to find any...

I've just been rummaging through a box of lens parts I bought some time ago and discovered a J.H. Dallmeyer 1888 Rectilinear Landscape No.2 with perfect glass. It seems to easily cover 8x10 at around...

Thank you for your input Leigh and Charley! I will ensure there is a little extra tolerance in the front and rear barrel threads which will hold the lenses to allow for adjustment, and the insertion...

Thank you Charley... much appreciated! I will certainly check out S.K.Grimes' site as I'm not familiar with them at all. Thanks again!

P.S. I've just had a look at the site and their linked copal...

I have the front and back cells of a f5.6 240mm Rodenstock Sironar-N lens but don't have a Copal 3 shutter at the moment... I'd really like to try out the lens in a barrel configuration until I come...

Oh dear! That's rather discouraging to hear Steven! I'll tinker away at it anyway without expecting too much! Thank you! :)

Thank you MMELVIS... your suggestion is greatly appreciated! I will PM manx-eric to see if he's made any progress with his own project and also to see if he can help me with my shutter settings.

I must have been mad when I bought this abomination of a camera... but couldn't resist the Pentac and yet another restoration project! It's a Kodak View Camera Model B with the focal plane shutter of...

Thank you for your input Jim... Now that I know that my inquisitive twists to the lens in flange haven't affected its performance... I shall certainly test it on my 8x10 camera... probably over the...

Thank you for your speedy reply Garret! Much appreciated! The second link was extremely helpful... describing the lens as being in a 'captive flange' for use with a prism. If this is the case, would...

Would anyone here in the forum be familiar with an Eastman Anastigmat F10 21" Lens? I would like to know what the small knob at the rear of the lens near the flange is used for, and also a possible...

Hello Steven, Sorry for the delay in my reply! Thank you for your positive thoughts on ageing balsam... I shall endeavour to keep the lens in a relatively stable environment so that it's next owner...

Hello Jim, As far as I can tell the third letter of the word certainly looks more like an R than an H!

Thank you for your reply Steven! Yes, there are a lot of numbers and letters! I agree there is a lot of text for it to be the makers mark alone! After staring at the text more intently for the past...

Thoroughly enjoyed your article!

Thank you for your input Xpres and Steven... much obliged! I suspected it might be a German lens... hopefully someone can confirm this by deciphering the text around the edge of the front element!...

Here are the photographs Steven... The lens barrel is approx 115mm high (without the hood) and the lens is approx 90mm in diameter. The glass is of petzval configuration. Estimated 12" f3.5. There is...

Thank you for your suggestions Steven, much appreciated! I'll post a few photographs tomorrow... perhaps they'll help to shed more light on the matter!

I recently purchased a large brass barrel lens with waterhouse stop slot and rack and pinion focusing possibly made around the 1870's - 1880's. The lens has no engraving on the exterior of the barrel...