Step-Down Adapter M72-M62Step 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

5° Back Focal Length 13

The IK100 is an excellent starter kit when imaging in the NIR

Product Line / Series HF-SA-1 Lens Type Fixed Focal Length IP Rating Not Specified Focal Length 50 mm ƒ/N ƒ/1

2 - ƒ/16 Image Size Not Specified Image Circle Diameter Not Specified Imager Format 1/2″ Light Spectrum Visible Resolution (MP) 1

HF3520-12M Technical Specifications:

13 mm Distance Between Principle Points 29

DB850 Dual Bandpass Visible + 850nm NIR

Available sizes: SD27-25

4° Back Focal Length 15

Weight: 55g

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

Filters included in the FS100 have a surface quality of 60/40