I believe you’re mixing Optic and Lens.
The FW3A uses the Carclo 105xx Optic which is 20mm.
The FW3A Glass Lens is 23mm.
3 Thanks
I believe you’re mixing Optic and Lens.
The FW3A uses the Carclo 105xx Optic which is 20mm.
The FW3A Glass Lens is 23mm.