Step-Up Adapter M27-M30.5Step 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

5mm RA034-22

Thread Size Part Number M25

0mm to 100mm

SP785 Modified Near-IR Dichroic Block

1 μm Weight 85 Grams Mount C-Mount Filter Thread M30

PR032 Linear Polarizer

4 - ƒ/16 Image Size Not Specified Image Circle Diameter Not Specified Imager Format 2/3″ Light Spectrum Visible Resolution (MP) 5 Resolution (Pixel Size) 3

Focal Length: 8mm

Male Thread M62 Female Thread M58 Manufacturer Midwest Optical Systems

80 mm Chief Ray Angle 2

96° Front Principle Point -12

Swivellink AFSB-9