Observation Tools

The Kowa TSN-88A PROMINAR is an 88 mm spotting scope body built around a PROMINAR pure fluorite crystal objective lens. Portable and lightweight th...

The Kowa TSN-88S PROMINAR is an 88 mm spotting scope body built around a PROMINAR pure fluorite crystal objective lens. Portable and lightweight th...

The Kowa TSN-99S PROMINAR is a 99 mm spotting scope body built around a PROMINAR pure fluorite crystal objective lens. Portable and lightweight tha...

The Kowa TE-20H is a long eye relief, fixed magnification eyepiece for the TSN-99/88/77/66 PROMINAR spotting scopes. It gives 25x on the TSN-88/77/...

The Kowa TSN-99A PROMINAR is a 99 mm spotting scope body built around a PROMINAR pure fluorite crystal objective lens. Portable and lightweight tha...

The Kowa TSN-CM2-SE is a T2 adapter ring for Sony E-mount cameras. It connects your camera body to Kowa's T2 digiscoping adapters so you can shoot ...

The Kowa TSN-CM2-M4/3 is a T2 adapter ring for Micro Four Thirds-mount cameras. It connects your camera body to Kowa's T2 digiscoping adapters so y...

Unleash the power of your smartphone to take you on a guided tour of the night sky, no telescope experience required. Celestron's patented StarSens...

Turn any smartphone into a field microscope. This clip-on inspector fits all phones and magnifies 20X; combined with the phone's zoom, it reaches u...

The BD II 8 x 32 XD binocular from Kowa incorporates the proprietary XD lenses that ensure a sharp, color-true image. The BD II series offers some ...

The Tele Vue 41 mm Panoptic is the longest focal length of the Panoptic line and the classic wide-field eyepiece for 2" focusers. Big brother to th...

The TeleVue 3x Barlow triples the magnification of any 1.25" eyepiece while preserving the sharpness and contrast TeleVue is known for. Using just ...

12" f/5, 1520mm Focal length with a 2" speed crayford style focuser, 30mm and 9mm plossl eyepieces, 50mm RA finder scope. Rear mounted cooling fan...

The Sky-Watcher MAK 102 is a 102 mm Maksutov-Cassegrain optical tube assembly (OTA) with a long 1300 mm focal length operating at f/12.7. Its compa...

This 2" Green (No.11) filter is a Wratten #11 yellow-green filter designed to boost contrast and reveal subtle detail across a wide range of solar ...

The Antares 2" Red (23A) filter is a planetary contrast filter that transforms how much detail you can pull from the brighter planets. Based on the...

Increased load capacity to 55 lb Heavy Duty belt-drive system minimizes backlash while providing smooth motor operation under heavy loads Spring-l...

The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an im...

The Celestron Omni CG-4 is a precision German equatorial mount and tripod, the same one supplied with the popular Omni XLT Series telescopes. Desig...

The Sky-Watcher Star Adventurer GTi is a portable equatorial GoTo mount that brings full computerized tracking and target-finding to grab-and-go as...

The TeleVue 2x Barlow doubles the magnification of any 1.25" eyepiece while preserving the sharpness and contrast TeleVue is known for. Using just ...

The Celestron Heavy-Duty Alt-Azimuth Tripod is the perfect support for hands-free viewing through giant binoculars, a spotting scope, or a small to...

The Sky-Watcher EVOLUX 62ED is a compact, lightweight ED doublet apochromatic refractor designed for wide-field astrophotography. It uses a matched...