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  1. Thread: Why Crop?

    by Pfsor
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    47
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    1,740

    Re: Why Crop?

    + 1.
  2. Thread: LVT questions

    by Pfsor
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    2,884

    Re: LVT questions

    Thank you, Pere, for the time and effort you put into your answer. You're a real asset to this forum. Cheers!
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    Re: lens on the tip of my tongue.

    Angénieux.
  4. Re: How I enjoy this hobby is not how You enjoy this hobby. Get over it.

    + 1.
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    Re: Clarification of FS/WTB bumping rules

    +1
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    Re: Lens disassembly and reassembly services.

    There is nothing wrong with making your preferred lens a special one with the desired treatment, especially if you don't care about the cost of it.
    Perhaps SK Grimm could do the disassembly and...
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    Re: LED Safelight options?

    Don't know, Pere, but the less spread the light source has the more your posts are spread... :confused:
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    Re: education for building a ULF wet plate camera

    I'm on the same wavelength with Pere, in this.
    From your posts history it is clear that you're on the very beginning of photography knowledge. Nothing bad with that except that it is not sufficient...
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    Re: "Trimming" a Bill Maxwell screen to size

    The Fresnel part has grooves that are easily damaged by rougher handling. Best to send it to Maxwell indeed, because you don't know the details enough.
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    Re: "Trimming" a Bill Maxwell screen to size

    Provided they know how fragile plastic Fresnel lenses are - I would not bet on it. It's not the cutting that is problem, rather the handling of the grooves.
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    861

    Re: "Trimming" a Bill Maxwell screen to size

    Have the glass cut by a professional, the plastic by a cutter.
  12. Replies
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    861

    Re: "Trimming" a Bill Maxwell screen to size

    Hmm. Then cut it in the way that doesn't ruin it!
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    Re: Schneider Super Symmar 80mm XL status question.

    Indeed, some people could get sleeping disorder from it. :)
    But back to the OP's question. The answer is that the glue was an innovative product and did not have the historical time behind it before...
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    Re: Exercising a Stored Lens

    Obviously, before measuring your shutter speeds, you have (and you should!) to exercise it. Start with slower speeds, activate each of them several times and go up to the highest speeds. Listen...
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    Re: Weird Heliar 42 cm

    Well spotted, Pere! (in fact the 5 is still hardly visible). Kudos to your eyes!
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    An example, or just hot air?
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    Re: LFPF Hall of Fame Proposal Discussion

    OTOH, if the idea was supported by many members... then... I would not hesitate to nominate... its author! Why?
    Heck, frankly, I mean that anybody with that number of posts (and growing!) on this...
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    Re: LFPF Hall of Fame Proposal Discussion

    Just a sincere sombre premonition (intellectually evaluated). :)
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    You know the Clint Eastwood's saying about opinions? I like that. And yes, I did understand that your judgement was just an opinion, not based on any technical measurement or other valid comparison....
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    Please, a time for you to reread this forum's guidelines. If you're not able to restrain yourself from name calling, restrain yourself from commenting. Thank you. To weed the technical BS is good for...
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    I'm of that humble opinion that I just contributed to the understanding of the technical value of your comparison judgement. Don't take it personally, it's the scientific part of me, you know, the...
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    You easily saw the difference? Interesting. Could you compare the same scene taken with a different lens, in the same light, on the same camera - to say at least some conditions necessary to make a...
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    Sorry if I missed something, it doesn't sound like you have shot enough with that specific lens before you decided it had lower contrast than other lenses.
    And no, even older designs with single...
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    Re: LFPF Hall of Fame Proposal Discussion

    I gladly refuse any nomination of my person as I think it could severely damage my CV. :)
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    Again, don't know if I should be impressed or not. Can you elaborate on how, technically, you compared the contrast of these lenses?
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    Re: S-K 360mm f5.5 Tele-Xenar photos?

    Hmm, interesting.
    And you compared it with your other lenses on the same scene, the same light conditions, the same camera etc.? Or does it just mean that this picture had "somewhat lower contrast"...
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    Re: Movements book or tutorial recommendations

    Also a good one, yes. It makes you want to understand in depth the technique of our photography and that is always good.
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    Re: Movements book or tutorial recommendations

    Surprised nobody mentioned that yet - Using the view camera by Steve Simmons. Also The view camera by Harvey Shaman and there are a few more, this is just what comes to my mind.
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    Re: Polishing out a scratch!

    Good grief!
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    Re: Polishing out a scratch!

    Much better than polishing lenses, IMHO...:)
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    Re: Polishing out a scratch!

    Let us not divulge the secrets more than we have already done, please!
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    Re: Polishing out a scratch!

    Filters are made of a specially produced glass to keep both their surface planes strictly parallel. I think after reading this thread filter manufactures will take the LFPF much more seriously, to...
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    Re: Polishing out a scratch!

    Have you never tried with a lens??
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    Re: Polishing out a scratch!

    Let's say it in this way - you're right that you can polish an acrylic dome in this way. But a lens is a different thing.
    The dome doesn't have the function of a lens. All it needs to be is just...
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    Re: Polishing out a scratch!

    It may rain today too... :)
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    Re: Polishing out a scratch!

    Nothing at all - I've read it. Not one word about amateur incorrect lens polishing to cure lens scratches.
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    Re: Polishing out a scratch!

    And what has that to do with the polishing technique discussed in this thread?
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    Re: Polishing out a scratch!

    Indeed, that's well possible - similar effect you can get even by filling the scratch by black ink. It is however a different scenario than that of the OP. Still you make a correct point - it is...
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    Re: Polishing out a scratch!

    Without going into details of why one cannot compare the acrylic domes repair with a taking lens amateur polishing - have you already cured a lens from scratches with your polishing technique? (I...
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    Re: Polishing out a scratch!

    Unfortunately, in this case one cannot use the same technique on modern lenses, as suggested.
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