Under $500

Description The BRESSER Zoomar 8–25x25 Zoom-Monocular offers a continuous zoom as well as a special macro function. This enables the device to foc...

Features Learn about crystal formations as you watch them grow. Grow a realistic Meteoric geode and crystal formation. Includes everything you ne...

Features Reveals Details of Artwork and Crafts Fully Coated Optics Ribbed Rubber Focus Collar Fold-Down Rubber Eyecup BK7 Roof Prism Exceptionall...

Features 24 different slide images included! 2 rotating star pattern domes! Project images on any surface! 360° Rotation Description Bring oute...

Features Light and small Easy to use Night Mode, Day Mode, and Scenery Mode Navigate the Cosmos with Gravity by Vaonis, Hestia's app Interactive ...

Description Camera-platform Adapter Adapter for SXG-HAL130, SXG-AL130, APP-TL130 and Skypod tripod. You can use it to fit 1/4 inch screw camera ...

Description AXJ-TR conversion adapter set for use with a robust AXD-TR102 tripod. With use of the AXJ-TR conversion adapter set, the AXJ Mount can...

Description Converts Eyepiece Thread The adapter converts eyepiece thread. Makes it possible for you to use different thread eyepiece. Specs ...

Featuring Hassle-Free Setup and Control with Your Mobile AppConnect your smartphone/tablet with DWARF II via WiFi, then you can wirelessly contr...

Featuring Hassle-Free Setup and Control with Your Mobile AppConnect your smartphone/tablet with DWARF II via WiFi, then you can wirelessly contr...

Features Extra-Low Dispersion Glass 2' Close Focus Distance 456' Field of View at 1000 Yards Phase-Corrected BAK4 & SK15 Roof Prisms Long 17....

Description Accessories for Optical Tube Assembly Vixen Tube Rings are designed for use with Vixen's Dovetail Tube Plate (#2661). They will allow...

Features Video camera mounted on a 27" flexible coil lets you peer over, under and around obstacles and into small spaces. Bright LED light helps...

Features Protects your optical tube gently Useful accessory pouches Reflection tapes for visibility in the dark Description This is a carry b...

Features This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7 Causes no change to the telescope focal length ...

Description Provide Finer Focus Adjustments With the installation of the Vixen Dual Speed Focuser, the rack-and-pinion focusing equipment on your...

Features Use Instead of Finderscope Wide 11° Apparent Angle of View Crosshair Aiming Reticle Extreme Low-Power 100mm Focal Length 1.25" Diameter ...

Description Slow motion control knob for AP mount Slow Motion Control Knob is used in combination with Manual Slow Motion Control Module. The AP...

Features 42mm aperture has ample light-gathering capability to produce bright images even in low-light situations 8x magnification provides excel...

Description For mounting BT81S-A, BT-ED70S-A and ARK series binoculars on the HF2 Altazimuth Fork Mount Using the swing bracket, you can mount th...

Features Fork mount for mounting large binoculars The angle of the fork can be adjusted Quick and easy azimuthal alignment Requires SXG HAL 130 tr...

Features Perfect entry-level model for beginner astronomers 70 mm lenses and 900 mm focal length The achromatic refractor provides a high-contras...

Description For Prime Focus Astrophotography by using Pentax 645D Camera This camera adapter is for prime focus astrophotography by using VSD100F...

Description High precision photo adapter with durability that is dedicated to prime focus astrophotography. This is adapter rings to connect a Ni...