GPU objective is an oil spaced fluorite triplet made of FPL53 and ZK7 glasses. Strehl is above 98%. Optical quality meets the highest expectations.
Objective diameter 160mm focal ratio f8.
Sharp edge baffles in oversize AlMgSi(1) tube, 180mm back focus.
2,7" focuser, with a 1.8 degree/step stepper motor drive. Controller can be connected to PC via RS232 port and accepts LX200 orders. One step counts 0,026 mm. Focuser react even one step. Gear ratio is 1:5.
Focuser at work can be seen: http://www.youtube.com/watch?v=zBn8JFcwKAk
Minimal lenght of OTA is 1190 mm, dimensions of box: 1246x330x286 mm.
Objective designed and manufactured in Hungary. All mechanical parts come from EU. No Far-East contribution.
Please feel free to ask for more details.
Pictures: http://www.facebook.com/media/set/?set= ... 234&type=3