Step-Up Adapter M52-M67Step 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

5 mm Angle of View @ 2/3″ 185° x 185° Back Focal Length 9

09 Operating Temperature Range -10 to +50°C Dimensions 29 mm × 29 mm × 29

30 mm Rear Principle Point -17

5-27 Step-Down Ring

5 mm ƒ/N ƒ/1

Male Thread M62 Female Thread M82 Manufacturer Midwest Optical Systems

5 Minimum Object Distance 500 mm Front Diameter 29 mm Focus Control Manual Iris Control Manual Flange Back in Air 17

4 μm Weight 310 Grams Mount C-Mount Filter Thread M49-0

Focal Length: 12mm

This lens is designed for producing images on sensors up to 1

76 mm Rear Principle Point 9

Swivellink AFSB-3T