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stonewhite
Joined: 10 Dec 2013 Posts: 17 Location: United States
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Posted: Sun Jul 12, 2015 4:56 am Post subject: loupe to examine ground-glass image... |
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hello
Do you use a loupe (or other visual aide) to examine the ground-glass image when preparing the image capture? which one is preferred?
thank you
Dean Taylor
by the way--in case you missed it--here is a fine YT video on Ansel Adams:
https://www.youtube.com/watch?t=35&v=M-BhJQqHXfQ |
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BrianShaw
Joined: 24 Dec 2006 Posts: 71 Location: Los Angeles, CA
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Posted: Sun Jul 12, 2015 12:55 pm Post subject: |
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Yes. A 4x to 6x magnification is preferred. More than that is hard to use. |
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Sirius Glass
Joined: 06 Jun 2010 Posts: 162 Location: Southern California
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Posted: Sun Jul 12, 2015 4:23 pm Post subject: |
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Inexpensive photo magnifiers work wonders. If one spend lots of money on a high powered magnifier, then one can see the Fresnel lines real well but not much else. |
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Henry
Joined: 09 May 2001 Posts: 1644 Location: Allentown, Pennsylvania
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Posted: Sun Jul 12, 2015 9:29 pm Post subject: |
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For years I used an inexpensive Canon-branded 8x magnifier, the kind with transparent sides below the lens to admit light onto the subject, and this was entirely satisfactory, although awkward to hold and position as its shape is rather squat and I don't have especially long fingers (I use the folding hood on my Century). Then I plunked for a Toyo 3.8x loupe (from B&H Photo, no longer made AFAIK), which is much easier to use as it is barrel-shaped and longer, and also has a neck strap. |
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