Field Power for Astrophotography: 12V LiFePO4 Power Tanks Compared
For most astrophotographers, a 12V 30Ah LiFePO4 power tank (around 384 Wh of usable capacity) runs a typical equatorial mount,…
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Equipment
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Telescope Finder Scopes and Red Dot Sights Guide
The best telescope finder for most observers is a red dot reflex sight like the Telrad ($45) or Rigel QuikFinder…
Best Barlow Lenses 2026: 2x and 3x Options Compared
The best Barlow lenses in 2026 are the GSO 2x APO ($45), Apertura 2x ($40), and Celestron X-Cel LX 2x…
Telescope Mount Types: Alt-Azimuth, Equatorial, GoTo
Telescope mounts come in three main types: alt-azimuth for intuitive pointing, equatorial for tracking celestial motion, and GoTo computerized mounts…
Telescope Filters Guide: Light Pollution, Nebula, Planetary
Telescope filters improve contrast on specific celestial objects by selectively transmitting or blocking wavelengths of light. A UHC filter increases…
Best Telescope Eyepieces 2026: Wide Angle, Planetary, Budget
The best telescope eyepieces in 2026 are wide-angle designs with 68 to 82-degree apparent fields and long eye relief under…
Telescope Accessories Guide: Eyepieces, Filters, Mounts, Must-Haves
The right telescope accessories transform a basic instrument into a versatile observing system. Eyepieces alone can double or triple your…