INON S-MRS Magnet Ring C8-15 Set @inonsdmount AD-1420-IK : It is 1"

AD-1420-IK :  It is 1" base with 316 stainless 1/4"-20 x 3/4" stud that protrudes out 3/8"

Single Light Holder LE

Packaged Lens Holder Base S for GoPro allows to attach optional AD Lens Holder for Float Arm to change lenses underwater

Not as like conventional leak sensors

000 / 500 / 250lumens

INON S-MRS Magnet Ring C8-15 Set @inonsdmount AD-1420-IK : It is 1"A set of "S MRS Magnet Ring" and "Magnet Ring Adapter C8 15". Attaching on the Canon "EF8 15mm F4L Fisheye USM" lens enables zoom operation. Only "MRS EXT. Ring 33" and "MRS EXT. Ring 111" are usable. Other MRS ports are not compatible. Specifications Weight (air) 72 g 2. 5 oz Item Includes Magnet ring