7.5"Mak-Gregory Zen 190/2800mm f.l. F/15 obst 0.25

Optical tube, aluminum front cap, bar Losmandy, 2 rings, click n'lock Baader 2".
- 190mm open meniscus glass
- 205 mm open primary mirror
- obrtruction is 0.25 (25%) only
- OTA weight 9 kg
- high quality aluminum tube, plus 7 internal baffles from meniscus to primary mirror
- focuser very fine 1/8 reduction with no shift (patented by Romano Zen) acts on primary mirror
- mirror surfaces are treated with aluminum vaporised and quartzed with SiO and antireflection coating
treated with layer of (MgF2) magnesium fluoride (evaporation in high vacuum)
- collimation on the rear with 3 screws - push and pull
- internal electric fan and jack to acclimatize internal air
- latest version built.

Made in Italy by Romano Zen - Costruzioni Ottiche.

Price of new: 1815 euro (about US$2100)

I sell used to: US$1200 shipping comprensive to USA and EU