Fixed mounts of the 31FM series are designed for mounting optical elements that do not require precision adjustment of the position (lenses) and tubes. Models 31FM2 and 31FM2-M6 are suitable for optical elements with a diameter of 50.8 mm / 2 inches. One retaining ring included.
Models 31FM2 and 31FM2-M6 differ in the diameter of the mounting holes: the first has an M4 threaded hole, the second has an M6 thread.
Fixed mounts of the 31FM series are designed for mounting optical elements that do not require precision adjustment of the position (lenses) and tubes. Models 31FM2 and 31FM2-M6 are suitable for optical elements with a diameter of 50.8 mm / 2 inches. One retaining ring included.
Models 31FM2 and 31FM2-M6 differ in the diameter of the mounting holes: the first has an M4 threaded hole, the second has an M6 thread.
