The Click-Lock 50,8 mm visual back usies a locking rotation mechanism: simply turn the ring 20 degrees to get a perfect and safe closure. In addition, the 50,8mm nose (threaded to accept 50,8mm diameter filters) can be unscrewed showing a 2" thread which allows the use of adapters for different use.
Diameter | 50,8mm |
---|---|
Optical element | Mirror |
Coating | Multi-Coated |