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  1. Re: Henry William Jackson glass negative from NGM 1989/2 , Is it colorful ?

    From my experience you get very cold colored negatives (blue/black) when you either develop very long or intensify/redevelop your negatives. It comes from the reduction of iodides to metallic silver...
  2. Negative Process - Basic Questions

    Hi there,

    I have some basic questions about the negative collodion process that I hope to get more info to answer them.

    From what I understand, for the negative collodion process you need
    a)...
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    Re: New Carleton Watkins Book

    Great book, nicely written and loads of detail!
  4. [STOLEN] Dallmeyer 6A lens, 4x5" and 8x10" Arca Swiss Cameras, Tripods

    Dear community!

    I don't know it this is right sub forums, but please be aware if some of the items show up in the market!

    The following largeformat photography equipment was stolen during a...
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    Re: What a whopper!

    Weight is 8.5kg, mount hole about 22cm and back focus about 26". Mounted on this beauty:

    183006
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    Re: What a whopper!

    The Dallmeyer 6A lens that I use for 40x50cm collodion plates...

    Actually a Rolleiflex is a great comparison! :-)

    182990
  7. Re: Very early bronzed Voigtländer Petzval

    Thanks Garret, I won't polish the lens, but maybe the hood, I don't know yet. As a user first of all I need a flange for the lens :-)

    Nice looking RR you got!
  8. Re: Very early bronzed Voigtländer Petzval

    Thanks Steven and Garrett!

    I've never seen such a black brass before but maybe both of you are right :-) We will never know. I just wanted to know if there is a chance that came from factory. Here...
  9. Very early bronzed Voigtländer Petzval

    Dear folks,

    I came across a very unusual Voigtländer Petzval lens that dates back to 1852 (#4071). The lens is in great shape glasswise and it is big 16" focal length and fast (f3.8), but the lens...
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    Re: hugo meyer petzval

    I would love to see some sample shots.
    Does anyone have a catalogue excerpt with coverage? I wonder how much the 400mm can cover...
  11. Re: Goerz Dagor 355mm f/7.7 --VS-- NIkkor-M 450mmm F/9 For 16x20 - Which Would You G

    Try to get a 16 or 19" dagor for landscapes...

    For a full body portrait you can also look for a Dallmeyer RR, my 18x16 covers my 16x20 easily with wider opening than f/45. Maybe you can get...
  12. Re: Dating an unusual Darlot Hemispherique

    Yeah quite old fashioned, maybe she is too old anyways? :)

    Thanks guys for your help with that lens, as soon the temperatures rise I will test it!
  13. Re: Dating an unusual Darlot Hemispherique

    Wow I did not know about the Pont et Princelle booklets, but it seems I don't have access to that one through libraries here unfortunately.

    I just know about the wide angle hemispherique with the...
  14. Re: Dating an unusual Darlot Hemispherique

    Hm there is nothing unusual in the waterhouse slot so I don't think there was a wheel. But anyhow maybe it was a custom order - or a budget one? What is a P et P booklet, Steve?
  15. Dating an unusual Darlot Hemispherique

    Hi all,

    I came across an unusual Darlot Hemispherique (or wide angle hemispherical) No. 6 (16" FL) with serial number 999 that has not the typical levers but a waterhouse slot. It doesn't have a...
  16. Re: Voigtländer Euryscop IVa #5: coverage??

    Dear Steven, thanks for your opinion. Well I noticed some differences in the catalogues, too. But what I can say is that the lens I tested has more of a 50mm opening with a focal length of ca. 46cm....
  17. Re: Voigtländer Euryscop IVa #5: coverage??

    Ah this one is great Rob, thank you... Well 11x14 is too little but maybe stopped down it will work on 16x20", who knows.

    Max
  18. Voigtländer Euryscop IVa #5: coverage??

    Dear Folks,

    I was offered a Voigtländer Euryscop IVa No. 5, about 46cm/f7 brass lens. I tested that one on a 40x50cm camera yesterday for the first time and it seemed that the lens covers the...
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    Re: Cooke Portrait Lens Serial Numbers

    Mine is a IIE 15" f4.5 Knuckler S/N 221188
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    Re: Auzoux & Bauz lens info needed

    Yes the front and back lenses were very convex. One should be very careful when you lay the lens on a desk....

    Here are some recovered (small) images from the auction, here you can see the...
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    Re: Auzoux & Bauz lens info needed

    170536

    This is a picture of the lens and it matches with the serial number on the images (that are now lost in the web) from the auction site. It doesn't have any specific naming on it...
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    Re: Auzoux & Bauz lens info needed

    Thanks Steven for this great information!
    So your guess would be that Auzoux & Banz made a G&C-like globe lens? Well this could be a very nice lens indeed!
    I really need to get hands on that lens...
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    Auzoux & Bauz lens info needed

    Hi all,

    I got the opportunity to buy this exact lens (Auzoux & Bauz).

    Focal length is about 45cm (17") (from what i measured) but what I would like to know is if someone out there knows what...
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    Re: Collodion - Wet Plate Images

    Great pictures here... I've got one too:

    http://maximilianzeitler.com/img/fashion/fashion_05.jpg

    Cooke 380mm f4.5 knucklers on 18x24cm
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    Re: Show off your ULF camera

    Yes it is a 40x50cm camera, you are right. The holder is not original but newer, I had to modify the fillet where the glass plate is positioned due there was a delta of about 3-4mm regarding the...
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    Re: Show off your ULF camera

    Recently I've built a stand for my 50x50cm ULF-Camera so now I can show off that big thing!

    I think the camera was built around the 1900's, has an adjustable back for a little horizontal and...
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    Re: Dallmeyer 6A Lens

    Thanks for your responses!
    It is a 40x50cm camera and it is very very rigid, no need to have a support for the front standard. The 8kg lens is doing great on that big standard:
    Picture with Lens
    ...
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    Re: Dallmeyer 6A Lens

    Hey!

    Yesterday I bought a camera for the lens, finally! Here is one picture of the camera... very big bellow's extension! :)


    I'll post some scans of wetplates soon! :)
  29. Re: Cooke Portrait Anastigmat Series IIE 15" knuckles repair info

    Thanks to your help and especially to Louis, I completed the repair of the Cooke lens.

    The most difficult part was the removal of the hood and the inner soft focus barrel. Both parts were stuck...
  30. Re: Info wanted: Aldis Triplet 20in 5.6 W↑D

    Anyone with some information?
  31. Re: Cooke Portrait Anastigmat Series IIE 15" knuckles repair info

    Well, I'd do the repair by myself, but I don't know exactly how.

    You have to remove the whole front barrel in order to replace the screw in the inside of the barrel.
    145130
  32. Re: Cooke Portrait Anastigmat Series IIE 15" knuckles repair info

    I wrote to SK Grimes. Maybe I'll find a repair service in Germany...
  33. Cooke Portrait Anastigmat Series IIE 15" knuckles repair info

    Hi everyone,

    I have a 15" Cooke Portrait Lens of the series IIE with a broken screw that holds the knuckles. Has anyone ever repaired a loose brass knuckles of that type of lens?

    Thanks in...
  34. Info wanted: Aldis Triplet 20in 5.6 W↑D

    Hi everyone,

    I did some research in the net, but did not find any info about that lens. The label says Aldis Triplet W↑D 20in. 5.6. What I know is that W↑D is for War Department.
    Does anyone...
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    Re: Dallmeyer 6A Lens

    Thanks Brandon! As my budget is limited, I will try to build a camera with a friend, who is a carpenter. And what I am not sure, if the bellows extension of 1m is enough for this lens is enough for...
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    Re: Dallmeyer 6A Lens

    What a coincidence that the only pic around is from an astro photographer. The lens really looks like mine, I like that! Perhaps the engraving on my lens was added after the sale by Liesegang. Once I...
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    Re: Dallmeyer 6A Lens

    Thanks for your opinions and assessments.
    Does anyone have a picture of a 6A? I would love to compare the lenses ;)

    Despite of all what is right or wrong with that lens, I think it has an...
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    Re: Dallmeyer 6A Lens

    Got it from a friend who owned it for many years. He did some astronomic pictures with it and had it in his basement for years.
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    Re: Dallmeyer 6A Lens

    Thanks Steven! I measured the focal length and it is about 80cm, so 30" could be correct.

    It can be that Liesegang bought a special order - as a potential concurence?! - maybe I can ask the if...
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    Dallmeyer 6A Lens

    Hello everyone,

    recently I picked up a Dallmeyer 6A lens. Since there is no info about that lens in the internet, I want to share some pictures with you.
    141136141137
    What I know about this...
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