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Thread: Darlot Rectilinears

  1. #1
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    Darlot Rectilinears

    Wondering about Darlot RR lenses (hemispherique.) What order were they produced? Some have rotary stops--I figure those are 1880-1890s. Then there are the ones with stops attached to levers
    Finally there is another style that's sort of like a Petzval with sliding barrel sleeve, locking screw, and takes waterhouse stops. What order were they produced?

    Kent in SD
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  2. #2
    Mark Sawyer's Avatar
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    Re: Darlot Rectilinears

    This one will have to be pieced together, most likely from dated catalogs and not-well-dated individual specimens.

    The well-known 1890's Benjamin French & Co. Catalog shows the Darlot Wide Angle Hemispherical with the lever stops as a starting point...

    https://www.antiquecameras.net/1890lenscatalogue.html
    "I love my Verito lens, but I always have to sharpen everything in Photoshop..."

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    Re: Darlot Rectilinears

    I also heard from Milan Z., a lens scholar, that the "earliest" lever stop Darlots were a different design than later. He said the first ones were more like a Harrison Globe. But I've never seen one that looks any different.

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    Re: Darlot Rectilinears

    So why did they have 3 stops arrangement?

    Kent in SD
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    miserere nobis.

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    Mark Sawyer's Avatar
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    Re: Darlot Rectilinears

    Quote Originally Posted by Two23 View Post
    So why did they have 3 stops arrangement?

    Kent in SD
    It gave the photographer his choice of four different apertures, one for each lever, or wide open. It was a convenient and reliable arrangement; I've seen a number of the lever-stop Darlots, and have two myself, all in excellent working order.
    "I love my Verito lens, but I always have to sharpen everything in Photoshop..."

  6. #6
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    Re: Darlot Rectilinears

    OK, I was too ambiguous. Why did Darlot make RR lenses with Waterhouse stops, lever stops, and rotary stops? I was assuming that the Waterhouse sliding barrel style came first, maybe 1865- 187?, then the lever stops during 1870s, and finally the rotary stops up into the 1890s. Apparently there was a lot of overlapping?


    Kent in SD
    Qui sedes ad dexteram Patris,
    miserere nobis.

  7. #7

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    Re: Darlot Rectilinears

    Darlot were innovators. They came up with a lot of interesting variations of technologies, if not outright patentable inventions. I went to the big Paris camera show twice, and it was amazing some of the strange lens concepts you'd find by Jamin or Darlot.

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