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  1. Replies
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    Re: What a whopper!

    I can play :)
    220mm f 1.5 :D

    182985

    No ideea what to use it for. 6lens 4 groups. i can show you the internals :D
  2. Re: Unusual LF Canon LiDe (Scanner) Camera Project Needs Basic Lens Suggestions.

    The lines seem to be caused by a combination of factors :
    1. Cis scanners scan something by illuminating 4 times the same line. Red green blue and white ( all 3 ). Meaning it exposes the line 4...
  3. Re: Unusual LF Cannon LiDe (Scanner) Camera Project Needs Basic Lens Suggestions.

    Me again ..

    Processing was some levels in photoshop.
    The UV/IR is an issue only when photographing people ( tedious work, 40 seconds exposure :)) )
    Can you post a picture of what have you done...
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    Filter system for LF.

    Hello all :) ,

    It seems i need to get some filters.
    I currently have a 210 symmar s ( 77mm thread ), and plan on getting a 150mm and a 90mm ( both schneider ).

    Planning to get a cokin...
  5. Re: Unusual LF Cannon LiDe (Scanner) Camera Project Needs Basic Lens Suggestions.

    Hi :)
    Considering i made 4 of these, i can provide some info.
    1. look for process lens, they cost nothing. I payed ~10eur on a pair of eskofot ultragon lenses ( 150 f8 and 210 f8 ), then another...
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    Re: Chamonix choice and questions.

    I`ve ordered a Chamonix 45F-2. thank you all for the support. :)
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    Re: Chamonix choice and questions.

    Thank you, it all makes sense now. :) Document explains a LOT, can i have more ?

    In the meantime, i have decided that i want a Chamonix. Either 45F-2 or 45H-1. Most probably a 45H-1.
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    Re: Chamonix choice and questions.

    I understand the principles of changing the focus plane. What i don`t get is the difference between "normal tilt" and "asymmetrical tilt".
    I had "normal tilt" on my horseman, as well as "base...
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    Chamonix choice and questions.

    Hello everybody,
    It seems that i cannot find an answer to these questions anywhere, so i`ll ask here.

    Background : I am a beginner in LF, i had a Horseman LX ( too heavy, had to sell ). I only...
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    Re: Massive projector lens

    the focal length is measured empirically : set the lens on a support, looking at something far away ( 250m in my case ). Use a ruler and a matte screen, once the image forms on the matte screen,...
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    Re: Massive projector lens

    Guy that sold it to me said something about a automatic projector.
    I think it's from some sort of large overhead projector. Judging by the size, something that would be used in a atrium classrom.
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    Re: Massive projector lens

    @DrewBedo : lens forum seems more for "real" large format lens, But i`ll give it a shot, thank you.
    @mdarnton : Seems to have 3 lens/groups ( i can see some edges inside the lens ).

    I`m planning...
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    Massive projector lens

    Hello all,

    First time posting here, but i need some advice.
    I acquired this massive piece of plastic and glass for allmost nothing ( ~10$ ). The seller told me that it`s about 9-10cm diameter (...
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