Step-Up Adapter M52-M62Step Up Rings by Midwest Optical Systems (MidOpt) Use larger diameter filters on lenses with smaller diameter filter threads Often mandatory for shorter focal length lenses in order to prevent vignetting Available sizes: SU22. 5 25. 5 SU77 105 Commonly referred to as a thread adapter Step Up Rings are most commonly used to adapt a larger diameter thread on items such as ring lights and filters to a smaller diameter thread (generally the thread on the

Focal length: 9mm (Actual 9

Technical data and transmission curves for each filter

5% Transmission

Assembly locks in position with a thumb screw

Swivellink AFSB-SB-12

Swivellink SLM-8XS

Swivellink SLM-SBH-XS

PROTECTIVE FILTERS AC Series — Acrylic Longpass

BP470 Blue Bandpass (425-495nm)

Step-up and step-down rings to fit M25

LONGPASS FILTERS

Larger diameter thread is male