RADIO2SPACE SPIDER 500A MARK II 5m RADIO TELESCOPE ZWO10 The back of the flip

The back of the flip mirror is also Al coated and masked to direct the light of an optional calibration lamp onto the slit of a spectrograph

Telescope auxillary instruments cover a wide range of interests

the 24mm version has a fixed focal length

we still have the issue of mechanical flexure

RADIO2SPACE SPIDER 500A MARK II 5m RADIO TELESCOPE ZWO10 The back of the flipThe SPIDER 500A Mark II is a professional 5 metre radio telescope designed for universities, space agencies, scientific museums and other educational institutes who want to own a powerful and affordable instrument for real radio astronomy, without the need to be a radio astronomer! The SPIDER 500A Mark II radio telescope uses the WEB500 5 mesh parabolic antenna, designed to offer a larger diameter with lower overall weight than traditional antennae.