Askar M54 Filter Drawer - M54-FD 40 mm Eyepieces the CEM40 & GEM45

the CEM40 & GEM45

1 mm FIELD STOP DISPLACEMENT TO REFERENCE PLANE +/- 0 mm NUMBER OF LENS ELEMENTS 8 NUMBER OF GROUPS 5 AR-COATING Phantom Coating® Group THREADED FOR FILTERS Yes CAMERA THREAD M43 PARFOCAL EYEPIECES Yes DUSTCAPS 1¼" dustcap (31

The key to the etalon’s performance lies in its ability to tune the wavelength it transmits

Explore Scientific Illuminator II For Finder Scope

The secondary mirror holder is CNC machined and is designed to insure textbook diffraction spikes and no alignment issues

Askar M54 Filter Drawer - M54-FD 40 mm Eyepieces the CEM40 & GEM45Users have to follow the certain steps to successfully assembly the Askar filter drawer and put it into the light path to fit the whole optical system: 1. Take out the main body of Askar filter drawer 2. Choose a proper camera adapter according to the thread type of your astronomy camera 3. Fix the camera adapter on the main body with 5 M38 countersink screws and wrench of M2 4. Choose a proper telescope adapter according to the thread type of your