iOPTRON GEM28 WITH iPOLAR & LITEROC TRIPOD CASE:WITHOUT CASE 05 mm for 50mm Optical

05 mm for 50mm  Optical flatness 1/4 λ (wavefront) Bandpass transmission >95% Off-band transmission OD3 @ 300-1050 nm Coating Double-sided multilayer nano-coating Surface quality 60/40 (in accordance with US military watch MIL-O-13830) Parallelism <30" Glass type Monolithic optical substrate (non glued) Filter size Mounted 1

Flatness: 1/4 λ

No wear since no relevant friction occurs

25" fits on 2" barrels and holds 1

The FLT 156 also includes William Optics' innovative clear Bahtinov mask integrated into the lens cap

iOPTRON GEM28 WITH iPOLAR & LITEROC TRIPOD CASE:WITHOUT CASE 05 mm for 50mm OpticalIncludes a FULLY CERTIFIED Australian power supply! The new iOptron GEM28 is a compact next generation German equatorial mount designed with portability in mind. Weighing in at only 4. 5kg, it can support up to a 12. 7kg payload an incredible 2. 8 mount weight to payload ratio. iOptron achieved this using design methods developed to reduce mass in their CEM family of mounts. The German EQ versions were created to satisfy consumer that prefer a more