Brand

•  Celestron (4)
•  PlaneWave (2)
•  Takahashi (3)

Price

• €1,999.00 - €89,600.00

Aperture (mm)

•  130 (1)
•  152 (1)
•  160 (1)
•  180 (1)
•  203 (1)
•  279 (1)
•  350 (1)
•  356 (1)
•  508 (1)

Focal length (mm)

•  335 (1)
•  400 (1)
•  430 (1)
•  500 (1)
•  530 (1)
•  620 (1)
•  790 (1)
•  1050 (1)
•  1537 (1)

Focal ratio

•  f/2.0 (1)
•  f/2.2 (3)
•  f/2.8 (1)
•  f/3 (1)
•  f/3.03 (1)
•  f/3.3 (2)

Image circle (mm)

•  16 (1)
•  22 (1)
•  43.3 (1)
•  44 (3)
•  60 (1)
•  60.1 (1)
•  70 (1)

Optical design

•  Hyperbolic flat-field astrograph (2)
•  Hyperbolic flat-field astrograph (hyperbolic primary + flat secondary + field corrector) (1)
•  Rowe-Ackermann Schmidt Astrograph (RASA) (4)