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...

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 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 ...

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...

Features IR illumination Large Focus Wheel 25mm objective & Adjustable Illumination 3 power magnification 3 AA Batteries included for operati...

Features Study specimens in stages using magnification powers ranging from 40x to 1600x. 3.5" LCD screen provides crisp, colorful specimen views ...

Description Explore the intricate contours of the lunar terrain or visit the brilliant blue-white stars of the Pleiades Cluster with the National ...

Features 6x magnification Rubber armor for a safe grip Sturdy body These 6x magnification children’s binoculars make a perfect exploration compan...

Features 32mm aperture brings in lots of light so you can see more. 8x magnification makes objects appear eight times larger. Great tool for both...

Features Detect up to 6 inches below the surface  LED lights Adjustable length  Water resistant base Description Discover hidden valuables and...

Features Nautic Binoculars and Monoculars are as the name suggests specially designed for use on and around water Waterproof, 122 mm Field of Vie...

Explore Scientific Nebula Filter 2.0" UHC Range from 458nm to 508nm with peak at 488nm. Transmission 96.7% UHC - This is an ultra-high contrast nar...

The neutral density filter transmits light uniformly across the entire visual spectrum. It serves as an excellent filter to reduce glare and irradi...

Description The BRESSER NightSpy is a monocular generation 1 night vision device with an integrated infrared illuminator and a tripod adapter thre...

Features Handy night vision device of the first generation for long time observations in low light conditions or in total darkness 5x magnificati...

Features Small travel binoculars, ideal also for eyeglass wearers Waterproof and nitrogen purged / true colour images Phase coating for high cont...