Baader Planetarium 2" ClickLock Eyepiece Clamp with M42 Female Thread

• Baader 2" ClickLock M42-clamp - for all parts of the Astro T-2 System (with M42x0.75 outer thread)• A small rotation by 20deg. with gentle fingertip pressure to the knurled lever is enough to securely clamp every 2" accessory• Ratchet function - features acoustic and haptic display of the clamp-position. This way you can hear and feel in darkness without looking if the clamp is opened or closed• Compression tension-ring of thick-walled hard bronze, keeps its shape even after many years of use and holds expensive accessories securely - without causing scratches or pressure points on your accessories