Price

• €699.00 - €20,990.00

Aperture (mm)

•  51 (2)
•  56 (1)
•  61 (2)
•  68 (1)
•  71 (2)
•  76 (1)
•  81 (2)
•  91 (4)
•  108 (1)
•  111 (1)
•  120 (3)
•  131 (1)
•  132 (2)
•  156 (1)
•  181 (1)

Focal length (mm)

•  178 (1)
•  230 (1)
•  250 (1)
•  260 (1)
•  269 (1)
•  300 (1)
•  360 (1)
•  365 (1)
•  419 (1)
•  448 (3)
•  478 (1)
•  518 (1)
•  528 (1)
•  540 (1)
•  559 (1)
•  648 (1)
•  780 (3)
•  910 (2)
•  998 (1)
•  1217 (1)

Focal ratio

•  3.2 (1)
•  3.5 (1)
•  3.8 (1)
•  4.8 (4)
•  4.9 (6)
•  5.5 (1)
•  5.9 (2)
•  6.5 (3)
•  6.9 (3)
•  7.8 (1)
•  f/5.9 (2)

Image circle (mm)

•  43 (4)
•  43.2 (1)
•  44 (1)
•  45 (6)
•  46 (1)
•  48 (2)
•  50 (2)
•  55 (3)
•  60 (2)

Optical design

•  4-element Petzval (2)
•  5-element Petzval (6)
•  6-element Petzval (1)
•  7-element astrograph (3)
•  Doublet apochromat (2)
•  Five-element Advanced Petzval; two Super ED, one ED, one lanthanum and one X element (1)
•  Seven-element EVO Petzval; three Super ED elements (1)
•  Triplet apochromat (7)
•  Triplet apochromatic refractor (2)