Stop wasting time with trial and error CCD focusing. Get pinpoint images in less than a minute with Stellar Technologies' Stiletto III CCD focuser for the SBIG 237/237A or Pixcel-237 CCD camera. Comes with built-in high resolution Ronchii-grating, collimatable diagonal and 1.25" focusing eyepiece (15mm Kelner). The eyepiece alone is worth the price of the focuser. User's manual included on mini-CD. Also included is ST's TrueKnife edge optional focusing window for this focuser (not installed)at no extra charge.
Price: $125 + $10 shipping