-Outstanding flat-field correction; built-in field flattener of SVBONY SV503 telescope eliminates fi.....

-Optimal focal ratio for versatility: with MK127 telescope's meticulously crafted 127mm effective ap.....

-The SV550 APO refractor is a compact refractor with 122mm aperture; f/7 focal ratio and 854mm focal.....

-Use this APO OTA apochromatic refractor to reveal the wonders of celestial bodies; you can observe .....

-Superior Optics: This telescope for adults features 102mm aperture, 714mm (f/7) focal length, equip.....

-Dielectric coatings; super flat mirror with dielectric coatings to reduce reflected light loss; pro.....

-The finder scope is a secondary scope that's used to help you locate objects in the main telescope;.....

-The value must have 2x barlow lens doubles the magnification of any 1.25 inch eyepiece;double the c.....

-UHC filters or light pollution reduction filters are designed to selectively reduce the transmissio.....

-Faster imaging with 0.8X focal reducer: the SV193 0.8X field flattener reduces exposure times and m.....