SharpStar 61EDPHIII Premium APO S Triplet Refractor (61EDPHIII) Kids There are three options for

There are three options for powering your Celestron Focus Motor:

Measured with encoder on the bench

Lens cloth Solar Warning Never look directly at the Sun with the naked eye or with this optic

higher OIII signal can be achieved by additional exposure using the Antlia ALP-T Ha&O3 filter

SharpStar 61EDPHIII Premium APO S Triplet Refractor (61EDPHIII) Kids There are three options forPlease 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