SKY ROVER UF ULTRA-FLAT FIELD 70° EYEPIECE 30mm 533MM The secondary mirror is oversized

The secondary mirror is oversized in order to have a fully illuminated field and to avoid vignetting

The bar has a system of slots

In combination with the SSRV snow removal system and controlled gearbox heating system

Please measure the diameter shown in the photo below

5 degrees allow you to star hop effortlessly

SKY ROVER UF ULTRA-FLAT FIELD 70° EYEPIECE 30mm 533MM The secondary mirror is oversizedThe Sky Rover Ultra Flat Field 70 30mm eyepiece provides a well corrected 70 degree field of view. With an excellent price to performance ratio, the UF eyepieces are great all round optics for all telescopes. The UF series' ultra flat field design controls eyepiece field curvature and edge distortion, even when paired with fast focal ratio telescopes. With a generous 22mm of eye relief and foldable eyecup, the Sky Rover UF 30mm eyepiece is very