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  1. #1

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    What kind of loupe needed to evaluate negatives?

    I want to look closer at my negatives to see if they are sharper than the scans. What strength loupe should I get? I know nothing about this topic. Negatives are 6 x 4.5 cm.

    Thanks!

  2. #2
    darkosaric's Avatar
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    What would be great is portable slide viewer. I have it for 35mm and it is great, with build in loupe and light that illuminate film. I don't know is there such thing for medium format thou.

  3. #3
    Poisson Du Jour's Avatar
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    3x or 4x power loupe for 6x4.5 pr 8x for 35mm.
    High quality corrected glass loupes areca better investment than plastic designs.
    .::Gary Rowan Higgins

    A comfort zone is a wonderful place. But nothing ever grows there.
    —Anon.






  4. #4

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    Quote Originally Posted by RattyMouse View Post
    I want to look closer at my negatives to see if they are sharper than the scans. What strength loupe should I get? I know nothing about this topic. Negatives are 6 x 4.5 cm.

    Thanks!
    For this application I recommend a slide loupe with an enlargement factor in the 10x - 15x range.
    I am using the Schneider 10x slide loupe for this (from Schneider-Kreuznach, Germany).
    I am very satisfied with this loupe for sharpness evaluation of slides and negatives.
    It should be possible to get one in Shanghai.
    If not, go here
    http://www.greiner-photo.com/

    Best regards,
    Henning

  5. #5
    Chris Lange's Avatar
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    I use a Schneider 4x and 6x for medium format/35mm respectively. They are noticeably better than the cheapie 8x agfa knockoffs.
    See my work at my website CHRISTOPHER LANGE PHOTOGRAPHY

    or my snaps at my blog MINIMUM DENSITY
    --
    If you don't have it, then you don't have it.

  6. #6

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    A cheap and easy answer is to use a camera lens. The lens I use is a mechanically damaged, (Stuck Diaphragm) Olympus Zuiko 35mm f2.8. I view via the front with the negative close to the back and this gives me a lot more than just a vague idea what the negative is like.
    Last edited by BMbikerider; 05-17-2013 at 03:23 PM. Click to view previous post history.

  7. #7
    cliveh's Avatar
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    I use a drapers glass.

    “The contemplation of things as they are, without error or confusion, without substitution or imposture, is in itself a nobler thing than a whole harvest of invention”

    Francis Bacon

  8. #8
    David Lyga's Avatar
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    Yes, a camera lens is fine but a bit bulky for constant use.

    I use a regular magnifying glass (I unscrewed the handle and it's just a circle encased in plastic). Keep it very, very clean on both sides and put your eye right into it, close up. And this is what I also use to judge a negative image in the enlarger baseboard, down close. - David Lyga

  9. #9

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    Interesting. I have a Nikkor 50mm f/1.2 lens. I didnt think to try that.

  10. #10
    chuck94022's Avatar
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    I'm using the Schneider 6x loupe (big one, for looking at 6x6 in all its glory). I also find I love it as my focusing loupe for my Chamonix 045N2. To me it is worth the investment, but it is pricey, at least in China. I got mine in Beijing at the Wukesong market, at the large format camera store.

    I also have a cheapo 10x loupe for when I want to look very closely. And if I really want to get close I have a 50x loupe style microscope... ;-)

    Oh, and one more thing: are your negatives sharper than your scans? Yes. Don't even need a loupe for that, I think I'd bet that whatever scanner you use, the negative will still be sharper.

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