Brand

•  Explore Scientific (2)
•  iOptron (1)
•  Sky-Watcher (2)
•  TEC (2)
•  TS Optics (4)
•  William Optics (6)
•  ZWO (1)

Price

• €109.00 - €380.00

Aperture (mm)

•  30 (2)
•  32 (3)
•  50 (6)
•  60 (1)

Focal length (mm)

•  120 (4)
•  200 (3)
•  220 (1)
•  242 (2)
•  250 (1)

Focal ratio

•  3.75 (3)
•  4 (3)
•  f/4 (1)
•  f/4.8 (2)
•  f/5 (1)

Optical design

•  Doublet (5)
•  Doublet lens (1)
•  ED refractor guidescope (2)
•  Three-element APO with ED glass (1)