Catadioptric Telescopes

The AG Optical Systems .25 meter (10 inch) F6.7 Imaging Dall Kirkham (iDK) telescope is an ultra-portable imaging instrument featuring a huge 50mm flat field free of coma, astigmatism, and field curvature. The outstanding optical performance of the...

The AG Optical Systems  .3 meter (12.5 inch) F6.7 Imaging Dall Kirkham (iDK) telescope is a semi-portable imaging instrument featuring a huge 60mm imaging circle free of coma, astigmatism, and field curvature.  The outstanding optical...

The AG Optical Systems .35 meter (14.5 inch) F6.7 Imaging Dall Kirkham (iDK) telescope is an observatory-class imaging instrument featuring a huge 70mm flat field imaging circle free from coma, astigmatism, and field curvature. The outstanding optical...

The AG Optical Systems .4 meter (17 inch) F6.7 Imaging Dall Kirkham (iDK) telescope is an observatory-class imaging instrument featuring an 70mm flat field imaging circle free from coma, astigmatism, and field curvature. The outstanding optical...

The AG Optical Systems .5 meter (20 inch) F6.7 Imaging Dall Kirkham (iDK) telescope is an observatory-class imaging instrument featuring an 70mm flat field imaging circle free from coma, astigmatism, and field curvature. The outstanding optical...

Features Computerized telescope automatically locates thousands of celestial objects using the NexStar+ hand control. Follow the simple SkyAlign alignment procedure and you’re ready to observe in minutes! Large 114mm Newtonian reflector offers the most...

Features A breakthrough 36 cm aperture, f/2.2 optical system designed for professional applications that require both a wide field of view and resolution, such as space surveillance and other scientific applications  4-element lens group utilizes...

FeaturesFlat field free of optical aberrations like field curvature, coma, astigmatism and chromatic aberration across an entire APS-C sensor.  Unlike the larger RASAs that work with DSLR and large CCD cameras, the 8” model was designed with color...

Features 11" (280mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an...

Features  6" (150mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an...

Features700 Maksutov-Cassegrain telescope with f/15 focal ratio provides high contrast views of the planets and lunar landscapes, perfect for serious planetary imagers and visual observers. Celestron’s premium StarBright XLT coatings ensure maximum...

Features 8" (203.2mm) f/10 EdgeHD includes StarBright XLT coatings for better light transmission EdgeHD optical design fully corrects for coma and field curvature, delivering a truly flat field The most compact and portable of Celestron’s German...

Features 8" (203.2mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure...

FeaturesRowe-Ackermann Schmidt Optical Design – 8" f/2.2 flat field imaging system with rare-earth glass for outstanding images free of optical defects like field curvature, coma, astigmatism and chromatic aberration across an entire APS-C sensor. Unlike...

Features 9.25" (235mm) f/10 EdgeHD optical tube fully corrects for coma and field curvature, delivering a truly flat field Native f/10 focal ratio can achieve the image scale necessary to capture the smallest of deep sky objects—or image at f/7 with...

Features 9.25" (235mm) f/10 Schmidt-Cassegrain includes StarBright XLT coatings for better light transmission The most compact and portable of Celestron’s German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure...

Features 102mm Maksutov-Cassegrain with fully coated glass optics Control your telescope via integrated WiFi using the free Celestron SkyPortal app for iPhone, iPad, and Android devices Observe in no time with a quick and easy, no-tool setup...

Features 11" Schmidt-Cassegrain Optical Tube Assembly (OTA) Features Celestron's premium patented StarBright XLT optical coatings 2800mm focal length (f/10) Fastar compatible Tube constructed of durable and lightweight aluminum Includes: 40mm eyepiece...

Features 14" Schmidt-Cassegrain Optical Tube Assembly (OTA) Features Celestron's premium patented StarBright XLT optical coatings 3910mm focal length (f/11) Fastar compatible Tube constructed of durable and lightweight aluminum Includes: 40mm eyepiece...

Features 5" Schmidt-Cassegrain Optical Design StarBright XLT Coatings 25 mm (50x) Eyepiece 45° Erect Image Diagonal 6x30 Erect Image Finderscope Water-Resistant Soft-Sided Case Limited Lifetime Warranty Celestron C5 Spotting ScopeCelestron's C5 Spotting...