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  1. I found out why you don't put clear crown glass...

    I found out why you don't put clear crown glass in the PGX chem temper unit.
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    Thanks. Your image is very nice as well. Good...

    Thanks. Your image is very nice as well. Good tonal range. What particular aspect of IR do you enjoy the most? I tend to lean towards trying to visualize the way IR will reflect and keeping...
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    great capture!

    great capture!
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    I enjoy the challenges of IR photography as...

    I enjoy the challenges of IR photography as well.! 13443
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    Most pre-existing damage was due to deep...

    Most pre-existing damage was due to deep scratching into the substrate, severe scouring of the top coat, or DEET exposure.
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    I'm consistently amazed year after year how well...

    I'm consistently amazed year after year how well modern AR stacks hold up to extreme temperature swings. I see lenses exposed to rapid 100 degree F temperature changes (-30Foutdoors to +70F indoors,...
  7. Thread: Maui Jim help

    by Sibirer
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    8,355

    I'm sure Maui Jim's lab equipment is capable of...

    I'm sure Maui Jim's lab equipment is capable of manufacturing somewhere beyond their stated limitations. They made a call on not whether they CAN do it, but rather on whether they SHOULD do it. The...
  8. Thread: Star Wars

    by Sibirer
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    May the force be ever in your favor.. - Gandolf

    May the force be ever in your favor..
    - Gandolf
  9. I'm wondering how long it will be before either...

    I'm wondering how long it will be before either W56.19XA (other contact with a sea lion, initial encounter) or V97.33XD (sucked into a jet engine, subsequent encounter) are used in an optical setting!
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    When did Blu-Tech sun lenses come out in...

    When did Blu-Tech sun lenses come out in polarized? I don't sell them so I must be out of the loop.
  11. The Sola VIP/XL lenses along with the Silor Super...

    The Sola VIP/XL lenses along with the Silor Super No Line had UV markings underneath the paint markings. You could also hold them over the tint tank and the markings would show up when the lens...
  12. I am assuming the question reads the lenses were...

    I am assuming the question reads the lenses were NOT DECENTERED. The PD would be wide by 6mm or 3 mm ou. 0.3 x 3= 0.9 ;prism diopters. A minus lens centered too wide would produce base in prism. (...
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    The spherical equivalent would be +2.25D. +3.50...

    The spherical equivalent would be +2.25D. +3.50 would be the total power in the horizontal meridian. You find the spherical equivalent by adding half of the cylinder power to the sphere power and...
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    LOL. I look like that every mid July when we go...

    LOL. I look like that every mid July when we go dipnetting on the Kenai. Nice haul of sockeye!

    Up here in AK, reds that are from the personal use fishery are the only fish that we clip the tail...
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    Been dipnetting much?

    Been dipnetting much?
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    Trivex and a top of the line AR are great...

    Trivex and a top of the line AR are great starting points. Make sure you ask if they need to be APEL before getting too far into specifics. The military can and often does specify what kind of...
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    Please return our wayward winter weather! We're...

    Please return our wayward winter weather! We're missing it greatly!

    We've been in the +40s to +50s for weeks. My yard has no snow left in it, there should be over 2 ft!
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    Actually, it's sunny and +48F!

    Actually, it's sunny and +48F!
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    No need to use acetone to remove hairspray....

    No need to use acetone to remove hairspray. That's a bit overkill. Storebought SD alcohol works perfectly.

    Hairspray polymers are dissolved in alcohol in the bottle or canister. Alcohol is...
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