Under $500

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...

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...

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 With its northern and southern polar reference markings, Explore Scientific’s 8x50 Illuminated Polar Finder Scope with NEW long batte...

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 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...

Features Polar finder scope allows imagers to achieve more precise alignment with the celestial pole Reticle includes markings for both northern ...

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...

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 ...

Description Round Up Sharp, Clear Views with Bresser Montana Waterproof Binoculars! ED glass, super high reflection coatings and a lightweight but...

Features 10x magnification 25mm lens diameter 97ft field of view at 1000 yards Carrying strap, lens cloth and case included Description The Na...

Features Water-resistant 10x magnification 25mm lens diameter 97ft field of view at 1000 yards Case, strap and cleaning cloth Description The ...

Description The National Geographic 10x25 monocular is ideal for spontaneous observations. Whether for hiking, sport events, theater or concerts -...

Features Magnification: 2.5X / 5X Extra Bright LED Illumination Lens Adjustable in 5 Angles Fold-Out Pedestal High grade biconvex 3.5" (90mm) acr...