Categories

•  Camera Adapters and Spacers (59)
•  Collimation Equipment (7)
•  Dew Control (32)
•  Guiding Accessories (30)
•  Power and Cables (31)
•  Telescope Protection (15)

Aperture (mm)

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

Camera thread

•  M48 × 0.75 male (6)
•  M48×0.75 male (1)
•  M54 × 0.75 male (4)

Filter thread

•  48 mm filter thread; pitch not specified (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)

Sensor

•  Built-in temperature and humidity sensor; auto-dew control (1)
•  RJ12; −45 to +125 °C and 10–99% RH; typical ±0.2 °C, ±2% RH (1)