Aluminum Spacer for T2 Thread - 0.5mm sightron Cache: 256 MB DDR3 cache

Cache: 256 MB DDR3 cache

No dangerous UV or IR radiation reaches the eye

This 8mm extension tube is very helpful if your telescope focuser doesn't have enough back focus to allow your camera or eyepiece to reach focus

IMPORTANT WARNING: These nebula filters are NOT designed for observation of the Sun

the 14" RC is still suitable for compact private or professional observatories

Aluminum Spacer for T2 Thread - 0.5mm sightron Cache: 256 MB DDR3 cacheThese 0. 5mm spacers allow fine tuning of your required camera back focus. Unlike plastic spacers, metal rings will always ensure a clean seating of the spacer with no compression or warping. The rings can also always be removed, even at low temperatures. Whats included: T2 Aluminum Spacer Ring 0. 5mm