TS-Optics FPL53 APO Refractor - 80 (Triplet) guidescope However the Polar alignment must

However the Polar alignment must be extremely accurate for long exposure lengths but thanks to the integrated pole finder tunnel

Focal ratio: f/7

Power: 5V 300MA rms

typically common with high quality APO Refractors

It has been designed to provide more advanced features in a more compact / quality design

TS-Optics FPL53 APO Refractor - 80 (Triplet) guidescope However the Polar alignment mustTSQ 80APO 80 544mm FPL53 Flatfield APO Refractor. This flatfield Apochromat provides a color pure and well corrected image on the axis as well as in the field and thanks to the 2 element corrector in the OTA, it has a well corrected image circle of 45 mm in diameter. This means you can also use cameras with full frame sensors giving you a nice wider field of view of the target you are imaging. Adaptation of Cameras: The generous working distance is