Equipment before hype

Choose better gear.
See more sky.

Match telescopes, mounts, eyepieces, cameras, power, transport, and observing sites to the sky you actually have and the astronomy you actually want to do.

Telescope under a dark night sky
Goal firstVisual, imaging, travel, outreach
Mount mattersStability before magnification
Whole-system costsPower, dew, cases, adapters
Sky is equipmentSeeing, darkness, access, weather
Astronomy equipment calculators
Collector workbench

Run the numbers before buying adapters.

Calculate magnification, exit pupil, approximate true field, image scale, and sensor field. Then check backfocus, threads, and actual clear aperture.

Used equipment

The bargain is the complete, working system.

Inspect optics, mechanics, electronics, serials, controllers, adapters, power, and missing proprietary pieces before price.

Used telescope inspection