Celestron 11" Rowe-Ackermann Schmidt Astrograph (RASA11) V2 Optical Tube Assembly (91076) Flattener On the exterior of the

On the exterior of the eyepiece

These eight-lens eyepieces with Phantom Coating® Group excel at planetary observation as well as deep-sky objects - especially when serving as photographic projection eyepieces due to their flat field design

Explicitly designed for Celestron Schmidt-Cassegrain telescopes

95% transmission in the selected spectral range

portability

Celestron 11" Rowe-Ackermann Schmidt Astrograph (RASA11) V2 Optical Tube Assembly (91076) Flattener On the exterior of theCapturing impressive deep sky astroimages is easier than ever with Celestron's Rowe Ackermann Schmidt Astrograph (RASA) V2, the perfect companion to today's top DSLR or astronomical CCD cameras. This fast, wide field f 2. 2 system allows for shorter exposure times compared to traditional f 10 astroimaging, without sacrificing resolution. Because shorter sub exposure times are possible, your equatorial mount won't need to accurately track over extended