Optical Flats and the Newtinain Secondary Mirrors

All our secondary mirrors up to 4" MA are made of precision annealed Pyrex glass and larger ones are made of either fused silica (quartzs) or lightweight Pyrex glass, manufactured to an ultra accuracy to be PV 1/10 lambda or better in wave front tested with interfrometer, and are coated with the 96% enhanced aluminum coating. Contact us for the optical flats up to one meter.

Minor Axis Price(US$) Shipping(US$) Order
2.36"(60mm) $140 $40
2.76"(70mm) $140 $40
3.1"(80mm) $160 $40
3.5"(90mm) $220 $45
4.0"(100mm) $300 $45
4.5" $700 $50 custom made (8 weeks)
5.0" (127mm) $800 $60
5.5" (140mm) $1000 $80
6.0" $1200 $100 custom made (8 weeks)
6.5" $1450 $120 custom made (10 weeks)
7.0" $1800 $140 custom made (10 weeks)
8.0" $2700 $200 custom made (10 weeks)
9.0" $3800 $300 custom made (10 weeks)
10.0" $5200 $400 custom made (10 weeks)