Theia FMT-3555 Aluminum Filter Mount for M55x0.75 Filter I.D. 35mm for 410 610 and 1250 Series Lenses

Filter Mount Accessory This filter mount can be added to the 410 series lenses to allow an external filter (such as band-pass or polarizing filter) to be added to the system. The filter mount works with lenses with 35mm front barrel diameter and is held in place with 3 sharp point set screws. It will accept filters with M55x0.75 threads. Filters are not provided by Theia Technologies. Part FMT-3555 : High performance aluminum filter mount for use with lenses: SL410 TL410 ML410 ML610 SL1250 TL1250 * MY23F MY23F-M12 SY23F (*special care required when installing filters to prevent damage to the motors)