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  1. Re: Building a AV-Xenotar 150mm 2.8 lens for 4x5

    Looks realy nice.
    Great job.
  2. Re: Building a AV-Xenotar 150mm 2.8 lens for 4x5

    You should have the aperture as close as possible behind the 4th glass element.
    It's not the most dificult to adapt. But it does not cover 4x5 and is not anything like the Xenotar. But a nice lens...
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    Re: Lens scheme design Av-xenotar 250mm f4

    Images I have made with the Av-xenotar 250mm f4 on my linhof 4x5
    To my Google drive
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    Lens scheme design Av-xenotar 250mm f4

    For the rollei AV66 slide projector a Av-xenotar 250mm f4 lens was made.

    I have had the oppertunity to buy three of these lenses from a project to show slides around a city in Germany that never...
  5. Re: Question about Linhof Compur shutter for Xenotar 150mm 2.8

    Could it also be that you should mill your Xenotar down bij 2x 2mm?
    The lens on a 'normal' aperture from top to bottom was 77mm, in the compur 2 shutter it's 81mm. If you don't change the lens...
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    Re: Xenotar 150 2.8 Projector Lenses

    It's possible to make a Av-xenotar 150mm 2.8 fit in a copal 3s shutter. I know becouse I have made one. The lens formula is not that of a xenotar, it is more like an altered sonnar. The image circle...
  7. Re: Question about Linhof Compur shutter for Xenotar 150mm 2.8

    Thank you lassethomas. I have bought myself a Symmar 240mm 5.6 in a Linhof version shutter.
    I prefer the Compur 2 over the compur 3 becouse I can get it lower on a lensboard.
  8. Question about Linhof Compur shutter for Xenotar 150mm 2.8

    Has the Linhof Compur shutter for Xenotar 150mm 2.8 lenses been used for other lenses?

    Here is a photo of such a shutter on a Xenotar 150mm 2.8. (Photo is not mine)
    205514

    I'm looking for a...
  9. Re: Building a AV-Xenotar 150mm 2.8 lens for 4x5

    I have made a cardboard aperture around f22 ish. I have tried that in various locations. By complairing the preview on the ground glass I was able to see the best location. Just behind the 4th lens...
  10. Re: Building a AV-Xenotar 150mm 2.8 lens for 4x5

    Thanks for the info.
    I know it's a slide projector lens. And I know it's not a xenotar, that is a planar type scheme.
    My question as to what type of lens it is, is for the location of where I wil...
  11. Building a AV-Xenotar 150mm 2.8 lens for 4x5

    This is a new project I'm working on, got the lens for a good (still not cheap) price.
    It is a AV-Xenotar. And it looks fantastic. Nice and black. I don'nt know how the final quality will be.

    I...
  12. Idea pitch: Electrochromic glass shutter, would it be possible?

    Dear reader,

    I like to adapt various lenses, including projector lenses. However these lenses dont have a shutter and neither has my camera (Linhof V Technica). A lens like the 400mm F4 AV-Xenotar...
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    Re: Easter Corona Weekend - DIY lens boards

    Time well spend.
    Is that e compound 5 shutter? Would love to have one myself.
  14. Simple DIY eye cup for Linhof V rangefinder

    Needed are a rocket dust blower (any cheap Chineese website), a sharp knife and a linhof camera.
    Its as easy as one two three

    202175

    202176

    202177
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    Image circle Leitz Elmarit-P 150 2.8

    I'm thinking if it would be possible to adapt a Leitz Elmarit-P 150mm 2.8 projector lens to a Copal 3(S) shutter and use it for 4x5.
    I have already worked this out using the Rollei Heidosmat 150mm...
  16. Re: Computer hardware when editing large format files (100MP+)

    Its more like lens alteration. I linked to the thead, you can see my Heidosmat for Linhof....
  17. Heidosmat 150mm 2.8, Copal S3 on my Linhof V

    I have built myself a Heidosmat 150mm 2.8 to use on my Linhof V.
    Somehow I can't upload any photo's so I'm going to add some links:...
  18. Re: Computer hardware when editing large format files (100MP+)

    After my last post a patch came out for Luminar 3 (version 3.2)
    So far I have not had a crash. (Have not been editing a lot of heavy files)
    It works for me. So that saves a lot on the budget.
  19. Re: Computer hardware when editing large format files (100MP+)

    I'm going to try out the 30 day trial. (The cheapest option). Also becouse it's a hobby and I finance it by fabricating lenses. So it's not an endless money pit.
    After that 30 days there are two...
  20. Computer hardware when editing large format files (100MP+)

    The computer I use is home built from a time that games where more a priority than photo editing.
    Back then I did some photo editing, but my camera was an Olympus 16MP micro four thirds camera.
    Now...
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    Re: Hi from arnhem

    Hallo MacSimski

    Nice to know there are more people in the Netherlands creating LF films.

    Welkom vanuit Zwijndrecht (NL)
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    Hello from Holland

    Hey

    I am relatively briefly involved with photography and especially love cameras, lenses and technics that go with it.

    Almost 4 years ago I started photographing with an Olymus OM-D 10 Mark 2....
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