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

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    Swarovski SLC 8x56 or Canon 10x42L IS for Astronomy?

    The Canon 15x45 IS is renowned for fine optics. It is, I think, a roof prism binocular. I looked at the bright planet Venus with the 8x32 BA and 12x50 Ultravid and there is no sign of spiking from roof prisms. Looking directly at a street light at 7 metres I could just detect some flaring...
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    Swarovski SLC 8x56 or Canon 10x42L IS for Astronomy?

    I read the full thread in post #7. I have used 14 or 15 IS binoculars. I have probably used 50 large high magnification binoculars. My two Pentax 20x60 are as I have said previously, junk. They are obviously lemons, but I have used over ten 20x60 binoculars and my two Pentax 20x60 are the...
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    Swarovski SLC 8x56 or Canon 10x42L IS for Astronomy?

    Post #9. I have used the Canon 18x50 IS for over twenty years. It has many optical faults, although when the IS is engaged hand held it outresolves most binoculars, except the Zeiss 20x60S, which has 40% better resolution hand held. B.
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