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Thread: Focusing, glasses, & LF

  1. #21

    Join Date
    Dec 1999
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    Forest Grove, Ore.
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    3,696

    Re: Messed up the competition

    Quote Originally Posted by 6x6TLL View Post
    . . . First thing I need to do is get a dark cloth, . . .
    Holy diopters, no wonder you're having a problem!

    I tried this once, when I had left my dark-cloth at home. It was near to impossible to focus, much less copose.

    Consider getting a good loupe that's intended for focusing on a ground glass. You can find them made by Schneider, Rodenstock, Fuji, or Toyo. Or, others? For me, it was literally a revelation when I went from a cheap loupe to a good one made by Schneider.

    Especially as I get older, I've found that a pair of glasses optimized for about a 11 inches to be essential for viewing. An optometrist can prescribe these. Or, I purchased two drugstore glasses, one for the left eye and one for the right. With difficulty, I can switch lenses on one side for correct viewing in both eyes. (Depends on the brand.) Prescription glass work better; but, the drug-store glasses will suffice.

  2. #22
    Large Format Curious
    Join Date
    May 2018
    Location
    Los Angeles & Norway
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    155

    Re: Focusing, glasses, & LF

    Quote Originally Posted by neil poulsen View Post
    Holy diopters, no wonder you're having a problem!

    I tried this once, when I had left my dark-cloth at home. It was near to impossible to either compose, much less focus.

    Consider getting a good loupe that's intended for focusing on a ground glass. You can find them made by Schneider, Rodenstock, Fuji, or Toyo. Or, others? For me, it was literally a revelation when I went from a cheap loupe to a good one made by Schneider.
    I have this loupe (upper left in picture, made by Schneider): https://rolleiflex.us/products/frame...series-cameras

    I was under the impression that it's perfect for focusing on a GG as well. No?

    Yeah, a dark cloth is at the top of my list, right behind film :-p.

  3. #23

    Join Date
    May 1999
    Posts
    531

    Re: Focusing, glasses, & LF

    Well, Id say yours it is not my "perfec" GG loupe for 4x5", but its just a loupe (and looks to be a good one), so it should work. Mine is somewhat similar
    About the dark cloth, I have never had a "real" one. I just used a cut of fabric, thick but also lightweight, which I used to trim up to the perfect size. Years later, I noticed that I wanted a wider one, so I bought a different fabric, this one thinner, and larger. I also have a third one. So better to have different ones, I use them all. I hold them when needed with a couple small plastic hardware gripping tools.

  4. #24

    Join Date
    Mar 2017
    Location
    Del City, OK
    Posts
    227

    Re: Focusing, glasses, & LF

    I'm pretty heavily near sighted. I don't see close up as well with my glasses on, so I take them off to compose and focus under the dark cloth. I just use a cheap thread counter as a loupe, and it works great for me.

    The difference maker for me is the darkcloth. Get a good, large darkcloth. Something you can wrap around your whole camera and head, and even block any light out that might be reflecting off the ground. Once you've blocked out all of the light except for the GG, it's easy to compose and focus. Plus, a large darkcloth works as a great shoulder pads for carrying your camera while still attached to your tripod over your shoulder. Doing that, I find large format cameras much easier to work with than rangefinders or SLR's.

  5. #25

    Join Date
    Jan 2019
    Posts
    89

    Re: Focusing, glasses, & LF

    I can't see for squat either. Glasses are fine for 35mm. For medium format looking down I really need to use reading glasses, which are just a weaker correction than my normal glasses. Your Optometrist can help you with those. For 4x5 I prefer to not use glasses at all when focusing. My eyes have a natural focus at about 8 inches or so. If I want to be real critical I have a loupe that is part of a 35mm lens and I just place that on the ground glass. It is really small but I can see the grain of the glass with it. I really don't use it much though.

  6. #26
    Jac@stafford.net's Avatar
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    Dec 2012
    Location
    Winona, Minnesota
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    5,410

    Re: Focusing, glasses, & LF

    Just a note from one who dearly needs a ground-glass loupe.

    My cameras have a ground glass (GG) hood shroud to minimize reflection and the best loupe is a long one which reaches the GG without banging our forehead on the shroud.

    Among the worst are short loupes. May I add, that the Silvestri 8X loupe with an attachment to facilitate corner
    inspection cannot work with a GG hood. The Silvestry is a tiny little thing that is likely most appropriate to medium
    format with no GG hood.

  7. #27

    Join Date
    Dec 2006
    Location
    Hamilton, Canada
    Posts
    1,627

    Re: Focusing, glasses, & LF

    In the course of getting cataracts operated on and of having one Macula which is so so, I decided to invest in a monocle. they are available in all the usual diopter strengths and a number 4 is a good portable one eyed (mono) way to see a GG as well as the enlarger image and prints. Win, Win, Win
    Bill
    "There are a great many things I am in doubt about at the moment, and I should consider myself favoured if you would kindly enlighten me. Signed, Doubtful, off to Canada." (BJP 1914).

  8. #28
    Peter Carter mrred's Avatar
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    Mar 2015
    Location
    Montreal, QC, CA
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    63

    Re: Focusing, glasses, & LF

    I had one of these given to me. Great for focusing.

    https://shop.cnib.ca/ProductDetail/m...-size-magnfier

  9. #29
    Peter De Smidt's Avatar
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    Jan 2001
    Location
    Fond du Lac, WI, USA
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    7,040

    Re: Focusing, glasses, & LF

    I really like a Pentax 5.5x Photo Lupe with an opaque skirt for ground glass viewing, although it's big.
    You often feel tired, not because you've done too much, but because you've done too little of what sparks a light in you.
    ― Alexander Den Heijer, Nothing you don't already know

  10. #30

    Join Date
    Sep 2018
    Posts
    135

    Re: Focusing, glasses, & LF

    Just use a dark t-shirt for a dark cloth. Put it upside down over your neck so the wide bottom goes over the camera. Not very fashionable but works. It helps a lot. My eyesight is bad and the advice here works for me. I tend not to use a loupe just take my glasses off.

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