Products

Dew shield locking compression ring for William Optics RedCat 71 - by Deep Sky Dad The RedCat71 helical focuser is locked by dew shield tensioning....

Available focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1.25" eyepieces with ED elements del...

Available focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1.25" eyepieces with ED elements del...

Available focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1.25" eyepieces with ED elements del...

Available focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1.25" eyepieces with ED elements del...

Available focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1.25" eyepieces with ED elements del...

Available focal lengths: 5mm, 8mm, 12mm, 15mm, 18mm, 25mm. The ED eyepieces series offers high optical quality 1.25" eyepieces with ED elements del...

Explore Scientific 2" 100° Series Argon-Purged Waterproof Eyepiece - 14mm   Using advanced computer design, combinations of low dispersion and high...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series eyepieces are hyper-wide class oculars that can trans...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series eyepieces are hyper-wide class oculars that can trans...

Needs to be ordered in - Contact us prior to purchase to check delivery timeframe. This is a Generation II telescope. All updates have been perform...

The Explore Scientific 2-inch Dielectric-Coated Star Diagonal Mirror is a ultra high dielectric diagonal quoted as 99% reflectivity. It comes comp...

Delivery timeframe: About 10 business days: this needs to be ordered in from Explore Scientific and they typically carry it in stock. After hours a...

A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magnification of...

Eyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is departure point...

Solidly in the mid-magnification range for most amateur telescopes, the 15mm is a true workhorse for visual observers. If you love deep sky observi...

Often considered the perfect mid-range focal length for most amateur telescopes, the 20mm on the ED127 at f7.5 produces a 1 degree true field of ...

Long considered the “standard” eyepiece that is often supplied with telescopes that are sold by various suppliers, the 25mm focal length category i...

Loved by deep sky observers, a 30mm focal length eyepiece produces a large exit pupil which floods your dilated eye with light, which is needed to ...

High power eyepieces (e.g. 3mm to 10mm) are used not only for obvious observations of planets and double stars, but can be employed for bright, com...