90 ° Flip-Up steel wire viewfinder,
There are round or rectangular filter glass in the middle.
Can be mounted on helmet (Universal).
Interchangeable glasses (60 * 120 mm rectangle or 50 mm round)
90 ° Flip-Up steel wire viewfinder,
There are round or rectangular filter glass in the middle.
Can be mounted on helmet (Universal).
Interchangeable glasses (60 * 120 mm rectangle or 50 mm round)