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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. B

    Kowa's new 50 mm scope

    Generally Borgs may not have the same quality as Kowas. I don't know about the new small Kowa. There are many fine astro scopes, say triplet objective Explore Scientific 80mm, 102mm and 127mm for less than the small Kowa.
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    Kowa's new 50 mm scope

    The price is why I suggested a possible Canon IS scope. For that money I would much prefer good image stabilization over a fluorite objective. If such a scope had a fixed zoom or even a fixed magnification eyepiece I would still prefer that.
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    Kowa's new 50 mm scope

    There was a well regarded Vixen 55mm telescope, possibly fluorite objective. The manufacturing cost of telescopes, at least astro telescopes, varies between the square and cube of the aperture, not linearly with aperture. I don't know what the factor is nowadays, as giant scopes seem remarkably...
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    Kowa's new 50 mm scope

    What I want is a good Canon 50mm image stabilized scope that is steady at 50x hand held. Maybe a straight through design not angled. If anyone says this isn't possible, I would say that Canon has the necessary technology now to make it.
  5. B

    Kowa's new 50 mm scope

    Dear Steve. How does the Kowa 553 compare to the well regarded Nikon 50mm? I don't have the Nikon, but have thought of getting one. Are the weights similar?
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    Kowa's new 50 mm scope

    Hi. I also saw the narrow field. But a 55m aperture isn't bad. (: Bigger than the OWL telescope. Maybe they break a lot of the crystal elements, so they charge for the broken ones.
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