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Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...

The wait is over! Celestron's award-winning EdgeHD optical system is now available on a newly designed top-of-the-line dual fork arm computerized m...

8" diffraction limited Schmidt-Cassegrain telescope Celestron's premium StarBright XLT coatings Fully computerized dual fork arm Altazimuth mount ...

Wave 100i GoTo strainwave head EQ and AZ modes Weighs 9.5 pounds (4.3kg) 22-pound (10kg) payload capacity without optional counterweight 33-pound ...

  44-pound payload capacity handles a large variety of OTAs German equatorial/Alt-Az/dual-OTA mode Permanent periodic error correction (PPEC) +/- ...

Description The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the qu...

M42 Sensor tilt adapter Product: M42 sensor tilt adapter Thickness: 5mm Suitable for APS-C cameras (ASI2600) You can connect it to M68 OAG and 2”E...

Suitable for cameras which back focus distance is 12.5MM or 17.5mm This new ZWO-EOS-T2-Ⅱ adapter has two parts (EOS-T2 adapter and 5mm length T2-ex...

The T2 tilter adds multiple screw holes to help connect to ZWO EFW (compatible to 2” EFW filter wheel). Package and size Main body：Diameter 78mm，11...

This is a replacement mounting plate for the ZWO TC40 Tripod and the PE200 Pier Extension. Ideal for users with multiple mounts or those looking fo...

ZWO Electronic Filter Wheel (2025 Edition)- 7x36mm Refined Design with Anti Light-Leak Protection The next-generation ZWO EFW series introduces an ...

Product Name ASI585MM/MC Sensor IMX585 Sensor Size 1/1.2″, 11.2×6.3mm Resolution 3840×2160 ADC 12bit Pixel Size 2.9μm Read n...

Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-field multi-elem...

After hours at the eyepiece, you finally get to view the fruits of your astrophotography labors. The stars in the center of the field pop like bril...

Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...

When the designers at Explore Scientific set their sights on creating a top-quality apochromatic refractor that anyone would be proud to own, they ...

The Explore Scientific 80mm f/6 Air-Spaced Triplet ED APO telescope made Wired Magazine's Wish List for cool gifts and is a perfect instrument for ...

11" diffraction limited Schmidt-Cassegrain telescope Celestron's premium StarBright XLT coatings Fully computerized dual fork arm Altazimuth mount...

9.25" diffraction limited Schmidt-Cassegrain telescope Celestron's premium StarBright XLT coatings Fully computerized dual fork arm Altazimuth mou...

Celestron’s top-performing altazimuth telescope system, the CPC Deluxe HD is a favorite among experienced amateur astronomers and the preferred t...

Introducing the ASI676MC/MM , the all-sky camera featuring a unique square 1/1.6-inch image sensor and a super high resolution of 12MP! It is perfe...

M68 Sensor Tilt Plate M68 sensor tilt plate (5mm) is independently developed by ZWO and specially made to match with the full-frame cooled camera Z...

ASI294MC ASI294 is the first camera in the world that equiped with SONY latest sensor IMX294CJK. Diagonal 21.63 mm (Type 4/3) Approx. 10.71M-Eff...

ASI294MM By popular demand, we now introduce the ASI294MM, the monochrome version of the ASI294MC. Some of the highlights include: Back-illumi...

The OAG-L-68 maintains the same 12*12 prism as the OAG-L; however, it is designed exclusively for the ZWO ASI461MM Pro camera and ZWO 50mm square f...

ZWO Electronic Filter Wheel (2025 Edition)- 8x1.25" Refined Design with Anti Light-Leak Protection The next-generation ZWO EFW series introduces an...

<img src="https://cdn.shopify.com/s/files/1/0327/2569/6648/files/comparison.jpg?v=1624746966" alt="Optolong Filter Comparision"><br><...