Comparison: 90mm (900mm Focal Length) Refractor on top (taken during nighttime, 102mm (660 mm Focal Length)Refractor bottom (taken in daytime). Not the fairest comparison I know, just thought its interesting and might
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Focal Length 900mm 135 cm Tripod Giant Binoculars 102mm Refractor
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Astronomical Telescope 900mm Focal Length 114mm Aperture Tripod Black
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White Metal STAR TRACKER 114/900 AZ1 Reflector Telescope, 900mm, | ID: 4797281873