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Buy Any Four In-Stock Premium Waterproof Eyepieces, Get A Free Soft-Sided Eyepiece Case!  To Activate Deal:Step 1 - Add the Soft-Sided Eyepiece C...

*Note that this is a discontinued product. This legacy information is for reference only. See our 8.5mm 82° Series LER Waterproof Eyepiece. Descri...

Description Finding and holding that perfect crisp focus is almost effortless with Explore Scientific’s Rack & Pinion Focuser. Defined by its ...

Features Camera-specific bayonet adapter Canon EOS Large female thread M48x0.75 mm Free inner diameter of 47,5mm No vignetting for full format se...

Explore Scientific Rack and Pinion Focuser Extension Tube adds 1.5 inches to the 2-inch Rack and Pinion focusers on our ED APO telescopes. CA Resid...

New Item Available for Order! The Explore Scientific *Touch Screen Buttons for PMC-Eight are tactile buttons when using their PMC-Eight/ExploreStar...

Features Great for outdoor or indoor play Leafy exterior with safety orange highlights Large split flap main entrance Circular flap opening for c...

Features Great for indoor or outdoor use Circular flap opening for crawl-through fun Side window and partially open roof provide lots of ventilat...

Features Great for indoor or outdoor use Circular flap opening for crawl-through fun Side window and partially open roof provide lots of ventilat...

Features Great for indoor or outdoor play Eye-catching school bus graphics Split flap main entrance plus a circular flap opening for crawl-throug...

Description Built-in Self Centering Adapter No more loose fitting laser collimators! Our patented Self-Centering Adapter cleverly eliminates the s...

Description Built-in Self Centering AdapterNo more loose fitting laser collimators! Our patented Self-Centering Adapter cleverly eliminates the sl...

Description One of the very best laser collimators on the market for your Newtonian telescope is the SCA Laser Collimator with Crosshair from HOTE...

Description Made to meet a sportsman's needs, Bresser HS binoculars combine superior Bresser optics and high quality features in a streamlined pac...

Supplemental 2.2 lb. Counterweight for iEXOS Mounts. Includes locking knob. Note: This is an all-white counterweight rather than the back with sil...

Supplemental 2.2 lb. Counterweight for iEXOS Mounts. Includes locking knob.CA Residents: Prop 65 WARNING(S)

Description A saddle plate is not the most exciting astronomical accessory in the world, but it is one of the most important when it comes to the ...

Experience and control the PMC-Eight GOTO System and make astrophotographs from anywhere in the world, by live Internet access to the Mark Slade R...

Genuine Losmandy-brand 11 lb. Counterweight for Losmandy GM-8, G-9, G-11 and TITAN Mounts, finished in durable metal-gray hammertone finish. Includ...

Description This Losmandy 14" Universal Dovetail Plate for Refractors can be used as a universal dovetail plate for Tele Vue, Parks, Takahashi, Qu...

Description This Losmandy 7" Short Universal Dovetail Plate for Refractors can be used as a universal dovetail plate for Tele Vue, Parks, Takahash...

Losmandy D-Series Dovetail Plate for Astrophysics Refractors Losmandy Dovetail Plates set the standard in strength and rigidity for mounting telesc...

FHD / Meade field tripod adapter 6.0" diameter, 4.0" high. Inside machined to fit G-11 and GM 8 mounts. Tube has 1/2" thick bottom with 1/2" hole i...

Description A saddle plate is not the most exciting astronomical accessory in the world, but it is one of the most important when it comes to the ...