Optical Tube Assemblies(OTA's)

Celestron 11" Rowe-Ackermann Schmidt Astrograph (RASA 11) V2 Optical Tube Assembly (CGE Dovetail)   Capturing impressive deep-sky astroimages is easier than ever with Celestron’s Rowe-Ackermann Schmidt Astrograph (RASA) V2, the perfect...

Celestron EdgeHD 1100 OTA - CGE Optical Design: EdgeHD Aperture: 279.4mm (11") Focal Length: 2800mm (110") Focal Ratio: f/10 Focal Length of Eyepiece 1: 23mm (0.91") Magnification of Eyepiece 1: 122x Finderscope: 9x50 Star Diagonal: 2"...

Takahashi EPSILON E-160ED

Takahashi EPSILON E-180ED

Takahashi FSQ-85EDX w/ flattener

Takahashi TOA-130NS

Takahashi TSA-120 The TSA series is a member of Takahashi‚ apochromatic line of triplet refractors. In the TSA design, an ED glass lens is placed between two lenses, with air spacing in between.The resulting system achieves a high level of...

Tele Vue TV-NP101is OTA