Step-Down Adapter M72-M67Step Down Rings by Midwest Optical Systems (MidOpt) Use smaller diameter filters on lenses with larger diameter filter threads The diameter of the filter or lighting to which step down rings are coupled will be much smaller than the diameter of the lens (often resulting in vignetting) Available sizes: SD27 25. 5 SD82 77 Commonly referred to as a thread adapter Larger diameter thread is male, smaller diameter thread is female. Adapter Properties Male

BN630-27 Narrow Light Red Bandpass Filter

BP850 Near-IR Bandpass (820-910nm)

45 μm Weight 100 Grams Mount C-Mount Filter Thread M37

Hold the optical component by its edges

such as outdoor applications

Swivellink AFSB-8-22

ND300 Absorptive Neutral Density Filter | 0

15 mm Rear Principle Point 1

Male Thread M58 Female Thread M62 Manufacturer Midwest Optical Systems

and apply the Glass Surface Cleaner

3° Front Principle Point -1

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