Astrograph harmer wynne

TI 45 Astrograph Harmer Wynne: correctors being handled

/0 Comments/in /by

Two executive projects of correctors for f/4 (Modified Harmer Wynne configuration) and f/8 (Corrected Cassegrain configuration) of our TI 45 Astrograph were frozen.

Optical performance is now arising  better improved. Results and charts as follows:

Optical Performances

 

Four motor sets for TI 45

TI 45 Astrographs, motor sets ready to be tested

/0 Comments/in /by

Four sets for four TI 45 Astrographs are ready to be tested!

Each set includes: four DC motors with planetary gearbox for the primary mirror shutters and one small stepper motor with planetary gearbox for the 4″ integrated field rotator.