Step-Up Adapter M30.5-M46Step 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

Educational material in durable binder to help in understanding filter use

45 μm Weight 71 Grams Mount C-Mount Filter Thread M25

Since it’s contact-free

Focal Length: 16mm

526 mm Exit Pupil Position -50

71 mm Entrance Pupil Position 35

HF9HA-1B Overview

72 mm Entrance Pupil Position -26

RA034-46 Rotating Right Angle Attachment

AC685 Acrylic Near-IR Longpass AC760 Acrylic Near-IR Longpass

Male Thread M62 Female Thread M49 Manufacturer Midwest Optical Systems

Educational material on optical filters and technical specs for each filter