SKYWATCHER PIER EXTENSION FOR WAVE MOUNTS Mount menu GSO guarantees diffraction limited performance

GSO guarantees diffraction limited performance with a typical surface quality of 1/12 wave or better

glue or double-sided adhesive tape (all not included)

such as the Evostar 80ED & 100ED

Baader Herschel prisms have been using light traps for years to eliminate this risk

SKYWATCHER PIER EXTENSION FOR WAVE MOUNTS Mount menu GSO guarantees diffraction limited performanceThe Sky Watcher Pier Extension for the Wave 100i & 150i mounts is an essential accessory if you're using longer refractors, which may otherwise hit the tripod when pointing near zenith. Machined from aircraft aluminium for durability and rigidity, the Sky Watcher Pier Extension is incredibly lightweight at only 1. 1kg with a height of 180mm. The pier extension is compatible with the Sky Watcher Carbon Fibre tripod. Note: the mount and tripod shown in