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Canon Canon EOS RP Mirrorless Digital Camera with 24-105mm f/4-7.1 Lens

The first step in Canon's mirrorless evolution, the EOS R pairs a redeveloped lens mount and updated full-frame image sensor for a unique and sophisticated multimedia camera system.

Canon EOS RP Mirrorless Digital Camera with 24-105mm f/4-7.1 Lens

$1,299.99

Nikon Nikon AS-1 Flash Coupler Hot Shoe Adapter F2, F2A

The Nikon AS-1 Flash Coupler Hot Shoe Adapter provides compatibility between Nikon F2 and F2A cameras and certain flash units, enabling photographers to expand their creative possibilities with flash photography.

Nikon AS-1 Flash Coupler Hot Shoe Adapter F2, F2A

$24.99

William Optics William Optics STC ULTRA LAYER® ASTRO MULTISPECTRA FILTER 48mm (Free Shipping)

This William Optics STC Astro Multispectra Filter is made to work specifically with DSLR cameras.

William Optics STC ULTRA LAYER® ASTRO MULTISPECTRA FILTER 48mm (Free Shipping)

$238.00

$214.20

Celestron Celestron 1.25" Observer's Accessory Kit

This Celestron eight-piece accessory kit enhances the performance of your telescope!

Celestron 1.25" Observer's Accessory Kit

$159.95

Voigtlander-Anastigmat Skopar 135mm f4.5 Lens & Voigtlander Compur Shutter

Voigtlander-Anastigmat Skopar 135mm f4.5 Lens & Voigtlander Compur Shutter

Voigtlander-Anastigmat Skopar 135mm f4.5 Lens & Voigtlander Compur Shutter

$99.95

Antique Brass 1.25 eyepiece (Pre-owned)

Beautiful antique brass eyepiece aprox. 40mm

Antique Brass 1.25 eyepiece (Pre-owned)

$75.00

ZWO ZWO ASI183MC-P Color Cooled (2.4 microns) CMOS Astronomy Camera ASI183MC-Pro

Introducing the ASI183 camera series, the most sensitive cameras in ZWO history. Peak Q.E. of the mono sensor reaches 84%!

ZWO ASI183MC-P Color Cooled (2.4 microns) CMOS Astronomy Camera ASI183MC-Pro

$799.00

$719.10

Celestron Celestron CGX-L Equatorial Mount without Tripod

Celestron's newly designed CGX-L Computerized Equatorial mount is the latest addition to our fully computerized equatorial mount series.

Celestron CGX-L Equatorial Mount without Tripod

$3,899.00

Unihedron Sky Quality Meter with Lens - SQM-L

An affordable meter for measuring sky brightness for astronomers!

Sky Quality Meter with Lens - SQM-L

$193.75

iOptron iOptron SmartEQ PRO Portable GOTO GEM Mount

Born out of the popular iOptron CubeTM and iEQTM mounts, the SmartEQTM Pro mount is the ultimate Grab N’ Go German equatorial GOTO mount fitting into almost everyone’s budget.

iOptron SmartEQ PRO Portable GOTO GEM Mount

$558.00

Howie Glatter Howie Glatter 2/1.25 Inch Collimator 635nm

The laser collimator is a tool which enables precise adjustment of the position and alignment of telescope optics, so as to obtain the best possible image contrast and resolution.

Howie Glatter 2/1.25 Inch Collimator 635nm

$320.00

Takahashi Takahashi Mewlon 210 Dall-Kirkham Telescope

The Takahashi Mewlon Series of Dall-Kirkham Telescopes by Takahashi combines refractor-like performance in a larger folded optic reflector design.

Takahashi Mewlon 210 Dall-Kirkham Telescope

$3,170.00

ADM ADM Fine Focus Knob for Coronado PST H-Alpha Solar Telescope

Need something a little more substantial to get a hold of when focusing your PST?

ADM Fine Focus Knob for Coronado PST H-Alpha Solar Telescope

$29.00

Celestron Celestron NexStar 8SE Telescope - 11069

Celestron’s signature orange-tube telescope combines advanced features and excellent optics in one easy-to-use system, the NexStar 8SE.

Celestron NexStar 8SE Telescope - 11069

$1,699.00

$1,499.00

Celestron Celestron CGEM II 800

The CGEM II 800 Schmidt-Cassegrain Telescope features Celestron’s premium StarBright XLT coated optics and the newly redesigned CGEM II computerized equatorial mount.

Celestron CGEM II 800

$3,199.00

Celestron Celestron EdgeHD 925 OTA Only (CGE Dovetail)

EdgeHD is an aplanatic, flat field Schmidt-Cassegrain telescope that produces aberration-free images across a wide visual and photographic field of view.

Celestron EdgeHD 925 OTA Only (CGE Dovetail)

$3,099.00

Sky-Watcher Sky-Watcher EQ6-R Pro Mount

The EQ6-R boasts a number of features to aid astrophotographers.

Sky-Watcher EQ6-R Pro Mount

$2,250.00

$1,890.00

This is a semi-flexible slow-motion control stalk for manual control of your mount's RA or Dec axis.

(BRAND NEW) Flexible Slow Motion Controls with Rosette Handle 8 Inch Length (200mm)

$12.00

Celestron Celestron SkyPortal WiFi Module

Get WiFi Access to the Universe with the SkyPortal WiFi Module
Celestron's SkyPortal WiFi Module turns your smartphone or tablet into your own personal planetarium and observatory!

Celestron SkyPortal WiFi Module

$143.95

Televue 27mm Panoptic Eyepiece - 2 Inch

Fully multi-coated optics for maximum clarity and contrast

Televue 27mm Panoptic Eyepiece - 2 Inch

$400.00

Farpoint FP413 Bahtinov Focus Mask for Meade 10" SCT

Attach your camera to the telescope, center a fairly bright star in your telescope and achieve a rough focus. Then place the mask over the front aperture of your telescope by “hanging” it on the plastic screws from the front dew shield. Take a short expos

FP413 Bahtinov Focus Mask for Meade 10" SCT

$34.10

Farpoint FP412 Bahtinov Focus Mask for Celestron 11" SCT

Attach your camera to the telescope, center a fairly bright star in your telescope and achieve a rough focus. Then place the mask over the front aperture of your telescope by “hanging” it on the plastic screws from the front dew shield. Take a short expos

FP412 Bahtinov Focus Mask for Celestron 11" SCT

$33.00

Olivon Universal Smartphone Camera Adapter

With the Olivon Universal Smartphone Adapter, you can shoot photos through your spotting scope, binocular and even a gun/rifle scope.

Olivon Universal Smartphone Camera Adapter

$39.95

Takahashi Takahashi Tube Holder for E130D Epsilon 130

Tube holder designed specifically for the new Epsilon 130D.

Double ring 166mm diameter.

Takahashi Tube Holder for E130D Epsilon 130

$439.00