Step-Down Adapter M49-M48Step 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

5HA-1 suggested replacement is CF12ZA-1S

Use larger diameter filters on lenses with smaller diameter filter threads

Kit Includes:

CU700-46 Close Up Lens

ND300 Absorptive Neutral Density Filter | 0

526 mm Exit Pupil Position -35

91 Rear Principle Point

7° Back Focal Length 18

BP850 NIR Bandpass Filter

Swivellink SLM-SB-12

BP635 Light Red Bandpass Filter

Swivellink SLM-500XS-D-GB