Baader Hyperion DT Ring SP54/M62 mount Upgrade Kit This versatile barlow can be

This versatile barlow can be used three ways: as a 2X Barlow for visual use

NexStar SLT Series

Periodic Error: <±20"

The sharp bandpass and > 90% high efficiency coatings make the Baader H-Alpha filter superior to the common colored-glass based filters

Upgradeable hand control via internet download

Baader Hyperion DT Ring SP54/M62 mount Upgrade Kit This versatile barlow can beHyperion DT Ring SP54 M62 This Digital T ring is designed to allow you to fit any camera or other viewing device with an M62 (62mm) thread onto your Hyperion eyepiece, just screw directly to the top of your Hyperion eyepiece to utilise the external M62 threads on this adapter. Additionally these rings can be used to fit Baaders 2" filter holder #2408166 (with most Baader filters) onto most DSLR camera lenses, see item below.