Pentax Astronomy Binoculars
For astronomy you need as much light as possible, this is done by selecting binoculars with a large objective lens, generally 50 and upwards. Magnification can vary from 8x to 20x, depending on if you want to view the greater night sky or specific portions of the sky.
Recommended sizes are… 10x50, 12x50, 15x50 or 20x60.
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