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  1. Replies
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    Goerz Celor 10 3/4" F5 coverage.

    Hi Guys,
    I bought this Ansco Commercial 8x10 camera, and the lens that came with the camera is a Goerz Celor Series I b No. 5, 10 3/4" F5, I understand that this is a dialyte design, with 4/4...
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    Re: What is a planetograph lens

    Ernest,
    The lens arrived. Actually, it is two element/groups and one barrell. The groups are in brass, typical for lens of that age, both groups are identical I think, with 2 cemented elements each,...
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    Re: What is this back for?

    Thanks Robert!
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    What is this back for?

    Hi,
    I bought a 8x10 camera today on ebay, and there is back on the camera.
    (I assume it is a 5x7 by the scale of the back)

    From the picture, it seems the frame can slide left and right? but what...
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    Re: What is a planetograph lens

    Thanks Ernest!

    The seller did tell me that it is a 8x10 lens. :)
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    What is a planetograph lens

    I have a chance to buy this lens, but I could not find any info on the web, maybe it was mis-spelled by the seller?

    Thanks!
    Wenbiao
  7. Re: Anyone with a late coated 4¼" Raptar Wide Angle, question 4 U.

    I guess it is probably late to reply this thread. But I just got hold of a 4 1/4 Wide Angle Raptar f12.5, it fits in a Supermatic shutter, a little bit loosely but fits, although cameraeccentic.com...
  8. Re: Wollensak 14", projection lens? What formua?

    Thanks Paul!
    I google'd JML, and there is a thread in photo.net that talks about this same 165mm JML lens, seems a fun lens to play with, it is just so heavy! :)

    Thanks Ernest!
    I will google...
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    Re: Enlarging Raptar Wide Angle f12.5?

    Ernest,
    The lens arrived yesterday, along with other lenses.

    It is actually a 4 1/4 Wollensak Wide Angle Raptar f12.5, with the circle_W sign, so it is coated, serial number #8xx,xxx. It was...
  10. Re: Wollensak 14", projection lens? What formua?

    Another mystery lens in the lot is a brass lens, the text on the barrel is:

    R.R
    6 1/2 X 4 3/4
    G. Knight
    SOUTHSEA

    There is a f/16 water house stop, also made of brass I think.

    I think...
  11. Re: Wollensak 14", projection lens? What formua?

    I went trickle treat tonight and instead of candy, I got several lenses back. :D No, actually it just happens that a lot of lenses I bought arrived tonight.

    One of this huge barrel lens has no...
  12. Re: Wollensak 14", projection lens? What formua?

    Thanks Ole, Michael and Ernest, for your replies. I appreciate them.

    This weekend, I "mounted" the lens (by holding it) in front of my Speed graphic and I had to crank the bellows all the way out...
  13. Wollensak 14", projection lens? What formua?

    I got one of these lenses, looks like a projection lens to me, chrome barrel, no iris, but with a focus mechanism. The text on the barrel is: 14" EF WOLLENSAK - ROCHESTER U.S.A.

    The interesting...
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    Re: Two lenses

    I think the dogmars are Dialyte type, ie. four elements air spaced, much like Artars?
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    Re: brighter groundglass question

    How a Bosscreen compare to Fresnels such as Beattie or Maxwell ? I have one for my Tachihara, it is bright, but I have never used fresnels on 4x5, so I can not compare.

    Thanks,
    Wenbiao
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    Re: strange lens in a Bionic shutter

    Dan,
    I thought I posted a reply just after your last post? It was gone?

    Anyway, last weekend I took a test shot using the "Uno" lens in my back yard. It was mistake after mistake. :D
    ...
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    Re: 7x17 lenses?

    Thanks Sandy,
    I don't have a 7x17 camera yet, :) so can not test it in the near future.

    I was hoping that Series IV 8x10 can almost cover, having longer focus length than Series V (195mm vs V's...
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    Re: 7x17 lenses?

    Sorry Sandy, I meant the Series IV, not the wider Series V. :)

    This was a impulse buy from eBay, the seller's picture was too small, and I could not determine if it was a V or a IV, but I bought...
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    Re: 7x17 lenses?

    Will a B&L-Zeiss Protar Series IV 8x10 cover 7x17 at f45? From the B&L catelog, it seems the 8x10 Series IV protar is 195mm focal length, and a Series IV covers 100 degrees at f45, so if the math is...
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    Re: strange lens in a Bionic shutter

    Thanks Dan,
    Your information is very valuable! Who made the Aldis Uno lens? I did some google search, and seems this name is associated with many Ensign cameras, are Aldis Uno UK made?

    What is...
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    strange lens in a Bionic shutter

    Hi Guys,
    I bought this lot of camera equipments, among which is a vintage lens fitted in a Bionic shutter, the patent number/date on the shutter dates the lens to/before 1912, I think the shutter...
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    Collinear Series III, No 3 1:7.7

    Just bought this lens on impulse. I have heard about Collinear lenses, being similar in construction as that of Dagors, although with the order of the elements reversed?

    A net-friend told me...
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    Re: Enlarging Raptar Wide Angle f12.5?

    Thanks Ernest,
    It is an online auction, and the seller did not know much about the cameras/lenses, and the picture was way too small. I will ask for more information.
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    Enlarging Raptar Wide Angle f12.5?

    Hi,
    Anyone knows the Enlarging Raptar Wide Angle 4 1/4" f12.5? Is it the same formula as their 108mm f12.5 taking lens?

    I checked the http://www.cameraeccentric.com/, but found no mention of...
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    Re: Cooke series Viib 5 1/4 (133mm)

    Thanks medform-norm for the information!
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    Cooke series Viib 5 1/4 (133mm)

    Hi
    Just bought this lens, and would like to know more about it. The lens is in a Ilex shutter, which is kind of strange, after reading some of the earlier posts.

    Anyone used this particular...
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    7x17 film dimension

    Thanks a lot Sandy!
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    7x17 film dimension

    Hi,
    What is the actual size of 7x17 film? such as Length * width?

    Thanks,
    Wenbiao
  29. Older Pentax honeywell 1/21 10-21 range

    Mark, I have the same meter.

    The high scale does not need a switch to turn on. You simply aim the meter at the target, if the target's EV is higher than EV 10, you should see the reading in the...
  30. Microtek 5600 + TPU to scan negatives and slides?

    Does anybody have experience with the new Microtek ScanMaker 5600 Scanner? It so unds promising, 2400x4800 optic resolution, and the price is "lower" -- $169, a separate TPU sells for $80, so for...
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    Epson 2450 photo scaner

    I was also interested in the Epson 2450 photo scanner.

    However, this scanner does not support "set focus position" function.

    What this function is:

    when you scan a slide or negative, you...
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