The aluminum optical tube is equipped with a helical focus knob and dovetail mounting rail that fits the Orion SkyView Pro, Sirius, and Atlas mounts and Celestron's CG-5 mount. Also included are a front dust cap and 1.25" visual back, but no other accessories. There are pretapped holes for an O... Read more

$650.00 - $650.00

Cut from island fantasy to astronomy fantasy ... because we've got what you have been wishing for. Our 150mm Mak opens up new vistas of the celestial landscape for your viewing pleasure, putting superior resolving power at your disposal. The 150mm-diameter Maksutov-Cassegrain optics take in 40% more... Read more

$620.00 - $620.00

The 180mm Maksutov-Cassegrain optical system has greater light grasp than a 150mm Mak, you'll get brighter images and better resolution. No other optical design can deliver such potent optical specifications in a package.The meniscus lens is fully multicoated for maximum light transmission, further ... Read more

$1220.00 - $1220.00

This optical tube assembly includes parabolic mirror optics, center marked for easy collimation. It has an upgraded 2" Crayford-style focuser (with 1.25" eyepiece adapter), quick-collimation cap, dust cap, and a dovetail base that accommodates any Orion finder scope. Pre-tapped holes in th... Read more

$310.00 - $310.00

Responding to your requests, we are pleased to offer this reflector optical tube assembly (OTA) for folks who already have an equatorial mount. This optical tube assembly includes Pyrex parabolic mirror optics, aluminum rack-and-pinion focuser, eyepiece holder, quick-collimation cap, dust cap, and d... Read more

$500.00 - $500.00

The "ED100" delivers images remarkably free of chromatic aberration, thanks to its fully multi-coated 100mm objective doublet. It's crafted with one element of FPL-53 extra-low dispersion "ED" optical glass from Japan. The 100mm aperture gives it 56% greater light grasp than our ... Read more

$680.00 - $680.00

Our classic brass hand telescopes recall the days when the ships that sailed the high seas did, quite literally, sail. Today these expertly handcrafted viewing instruments let you survey ocean-going vessels from the shore or peer in on a robin's nest from the porch. Each has fully anti-reflection co... Read more

$80.00 - $80.00

Guide long-exposure photographs or CCD images with this ideally suited 80mm achromatic refractor (910mm f.l., f/11.3). This achromatic refractor has a 1.25" cast-metal focuser and a focus tensioning knob to keep the drawtube secured firmly in place when your guiding eyepiece or CCD autoguider i... Read more

$325.00 - $325.00