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Thread: Lens ID help (Carlton full plate)

  1. #1

    Join Date
    Nov 2013
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    Huntington Beach, CA
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    153

    Lens ID help (Carlton full plate)

    I've picked up a Carlton full plate camera and would like to settle the question of what this lens is. It looks like it came with the camera, or at least is in the same condition as if it had been on for a long time. The shutter it's in is easy to identify as a Bausch and Lomb diaphragm shutter and weighs a ton.

    The lens itself is completely unmarked in any place that I could find.

    I did the quick "what focal length is this" and it looks to be 12inch to 13inch and should cover full plate, the shutter is marked as F4 for the larger stop.

    Presumably circa 1895-ish.

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  2. #2
    loujon
    Join Date
    Feb 2007
    Location
    Western, PA.
    Posts
    1,097

    Re: Lens ID help (Carlton full plate)

    Hey that's a great camera I like them so much a own them in sizes up 5x8 up to 11x14.

    Your lens is more then likely a B&L Rapid Rectilinear and it's stop scale is US and not f stop so US f4 = f stop f8 and that's the speed of a Rapid Rectilinear. I have a few of those shutters too & they can be fun when they work and look great even when they don't.

    Hope this helps & have a blast with your Rochester Optical Carlton.

  3. #3
    Foamer
    Join Date
    Oct 2010
    Location
    South Dakota
    Posts
    1,008

    Re: Lens ID help (Carlton full plate)

    Quote Originally Posted by Louis Pacilla View Post
    Hey that's a great camera I like them so much a own them in sizes up 5x8 up to 11x14.

    Your lens is more then likely a B&L Rapid Rectilinear and it's stop scale is US and not f stop so US f4 = f stop f8 and that's the speed of a Rapid Rectilinear. I have a few of those shutters too & they can be fun when they work and look great even when they don't.

    I agree.


    Kent in SD
    Die Gedanken sind Frei

  4. #4

    Join Date
    Nov 2013
    Location
    Huntington Beach, CA
    Posts
    153

    Re: Lens ID help (Carlton full plate)

    Thanks for the quick identification I can convert US to fractional stops now that I know what's up.
    This one came with one film holder, it's a plate size but has an insert to hold a half-plate centered.

    The shutter needs cleaning and lube, it's only semi-functional at the moment. I'm debating whether to pop it open myself or send it out.

    And now to find a sane way to make it tripod compatible!

  5. #5

    Re: Lens ID help (Carlton full plate)

    Let's see the camera too...

  6. #6

    Join Date
    Nov 2013
    Location
    Huntington Beach, CA
    Posts
    153

    Re: Lens ID help (Carlton full plate)

    Quote Originally Posted by peter schrager View Post
    Let's see the camera too...
    Pardon the harsh lighting.

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