Baader Planetarium 2" 37mm ClickLock Extension

• Baader 2" ClickLock SC 37mm extension - extending the 2" focuser of all devices to 37mm. (useful with DSLR camera when it does not come into focus)• Consisting of S52-clamp #2956252 & 2" barrel #2958551• 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