4" tube diameter that offers extraordinary stability
and edge-to-edge illumination throughout the aperture range
all the standard square sizes All Formatt filters are finished with a unique edge frame offering maximum protection against chipping
and can make some eyepieces parfocal with other eyepieces ( the Nagler 12mm becomes parfocal with the Nagler 17mm & 22mm eyepieces )
stainless ball bearing wheels
MAXIM INTEGRATED PRODUCTS MAX5947BESA+ Hot Swap Controller, 9V to 80V supply, 2.5V output, SOIC-8 Canon 6316B001 4" tube diameter that offersThis is a Hot Swap Controller, 9V to 80V supply, 2. 5V output, SOIC 8 product from MAXIM INTEGRATED PRODUCTS with the model number MAX5947BESA+Product details Supply Voltage Max 80V Controller IC Case Style SOIC Controller Applications Electronic Circuit Breaker, Hot Board Insertion, Industrial High Side Switch Circuit Breaker Packaging Each Operating Temperature Min 40C Product Range Supply Voltage Min 9V Input Voltage 80V Operating Temperature Max