Step-Up Adapter M72-M95Step 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

guarding against movement due to shock or vibration

0mm to 100mm

PR032 Linear Polarizer

48 mm TV Distortion (%) 0

Slowly move the airstream over the optical surface at an angle

larger diameter thread is female

Male Thread M72 Female Thread M67 Manufacturer Midwest Optical Systems

6 mm Angle of View @ 2/3″ 32

4 - f/16 HF12

526 mm Exit Pupil Position -31

5HA-1 Technical Specifications:

8° Back Focal Length 21