Price

• €320.00 - €5,800.00

Aperture (mm)

•  60 (1)
•  62 (1)
•  70 (1)
•  72 (1)
•  76 (1)
•  80 (4)
•  82 (1)
•  100 (5)
•  120 (4)
•  150 (6)
•  200 (1)
•  250 (1)
•  300 (1)

Focal length (mm)

•  360 (1)
•  400 (3)
•  420 (1)
•  490 (1)
•  530 (1)
•  550 (2)
•  600 (3)
•  630 (1)
•  700 (1)
•  750 (1)
•  760 (1)
•  800 (1)
•  840 (2)
•  900 (3)
•  1000 (2)
•  1050 (2)
•  1200 (5)
•  1500 (1)

Focal ratio

•  f/4.8 (1)
•  f/5 (5)
•  f/5.5 (2)
•  f/5.8 (1)
•  f/6 (1)
•  f/6.45 (2)
•  f/7 (6)
•  f/7.5 (4)
•  f/7.6 (1)
•  f/8 (3)
•  f/8.3 (1)
•  f/9 (1)

Optical design

•  Air-spaced ED doublet apochromatic refractor (2)
•  Air-spaced triplet apochromatic refractor (4)
•  Dedicated hydrogen-alpha solar telescope (2)
•  ED doublet apochromatic refractor (8)
•  ED doublet refractor (1)
•  Parabolic imaging Newtonian (4)
•  Parabolic Newtonian reflector (4)
•  Three-element ED apochromatic refractor (6)
•  Two-element air-spaced ED apochromatic refractor (1)