Brand

•  Sky-Watcher (8)
•  Takahashi (3)
•  TS Optics (10)

Price

• €375.00 - €4,730.00

Aperture (mm)

•  130 (1)
•  150 (1)
•  160 (1)
•  180 (1)
•  200 (1)
•  250 (1)
•  300 (1)

Focal length (mm)

•  430 (1)
•  500 (1)
•  530 (1)
•  600 (1)
•  750 (1)
•  800 (1)
•  1000 (2)
•  1200 (2)
•  1500 (1)

Focal ratio

•  f/2.8 (2)
•  f/3.3 (2)
•  f/3.94 (1)
•  f/4 (4)
•  f/4.8 (1)
•  f/5 (5)

Image circle (mm)

•  44 (3)

Optical design

•  Hyperbolic flat-field astrograph (2)
•  Hyperbolic flat-field astrograph (hyperbolic primary + flat secondary + field corrector) (1)
•  Parabolic imaging Newtonian (4)
•  Parabolic Newtonian reflector (4)