Telescope Accessories

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

With its long eye relief of 15mm, the 8.5mm LER ocular from Explore Scientific’s 82° Series of Argon-Purged Waterproof Eyepieces puts the focus on ...

Explore Scientific 1.25" 82° Series Argon-Purged Waterproof Eyepiece - 18 mm The 18mm 82° Series Waterproof Argon-Purged Eyepiece is a popular foca...

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

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

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...

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

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 ...

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...

Mid-range high power eyepieces like the 6.5mm are instrumental when transitioning through magnifications to observe an object until it is best seen...

Needs to be ordered in - Delivery timeframe about 10 business days from order. New William Optics Adjustable Flattener Reducer 0.8x FLAT7AOptimised...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

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