SharpStar 61EDPHIII Premium APO S Triplet Refractor (61EDPHIII)

SharpStar 61EDPHIII Premium APO S Triplet Refractor (61EDPHIII)Please note that EDPHII has been discontinued. Generation III is the new official 61EDPH The new 61EDPH still has high quality optical standards like before and adopts a triplet air spaced APO design. Compared to the 61EDPH, it upgraded to two pieces of low dispersion ED glass for more excellent imaging performance. It not only can be applied to visual observation, but also can provide higher quality astrophotography. 61EDPH has a focal length of

6mm (with the dew shield contracted) Tube outer diameter 148mm Net Weight 10

Fast FPS can be used in solar and lunar imaging

coating processes and design ingenuity

Compact and lightweight device

The Pier Top can be used to mount the: CEM60 or CEM70 (w/ center post)

Three Rods per package

steel Worm wheel Φ74mm

Instead of using the 20mm ZWO EFW

65PHQ comes with a telescopic lens hood

This William Optics 2" Field Flattener & Reducer has been designed to optimize the flat-field imaging performance of the William Optics Z81 refactor

Some of our precision-coated filters are provided to us from a US military-qualified company who provides full Mil certifications with every filter

featuring the magnification range of 3