
PlaneWave 24-inch F/6.5 CDK with Fused Silica Mirrors and Delta-T Heaters
PlaneWave CDK 24 Features For time frames or questions, please contact us at 800-483-6287. Dual Carbon Fiber Truss Design: Minimizes thermal expansion which causes focus shift with changes in temperature Carbon Fiber Lower Light Shroud: Protects the primary mirror from damage and from stray light Dovetail expansion joint: Allows for the difference in thermal expansion between carbon fiber and aluminum. The expansion joint allows the aluminum dovetail to expand and contract without stressing the carbon fiber lower truss 3.5 inch Hedrick Focuser: Heavy duty no-slip focuser. The focus tube runs on 5 bearings and is driven by a leadscrew so there is no chance of slipping. It accepts an optional dial indicator and PlaneWave's EFA Kit to control many electronic accessories. The drawtube travel is 1.3 inch. Cooling Fans: Three fans blow filtered air onto the back of the primary mirror to help it quickly equilibrate to the ambient temperature. The fans are controlled by a switch on the optica