Electronic Filter Wheel
Electronic filter wheels (EFW) are filter wheels used with mono cameras for astrophotography. Optecali offers several configurations depending on the filter size and number of filters used. A EFW simply requires a USB connection for use and power. You may control it from a variety of hosts such as Windows , Arm Linux , Android and iOS system.
The filter wheel’s carousel holds up to 8 filters in standard sizes of either 1.25”or 31mm (filters not included). The best filter size depends on your camera and telescope. It includes a 8-position filter carousel that accepts mounted 1.25” filters or 31mm unmounted filters which are held in place with M2 retaining screws (included). Mounted 1.25” filters must have thread height of less than 3mm and a filter height of less than 7mm.
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