50 mm Lens Extension Ring EXT-50MidOpt EXT 50. 0 50. 0mm Lens Extension Ring Includes the following Extension Ring 50. 0mm EXT 50. 0 About Lens Extension Rings Extension Rings are used to decrease the Minimum Object Distance (MOD) for C CS mount lens Increase Magnification for close up applications Available as a 6 Extension Ring Set, 4 Extension Ring Set, and in individual size ranging from 50. 0mm to 100mm Manufactured by Midwest Optical Systems

BP550 Near-IR/UV Block-Visible Bandpass (410-690nm)

Product Line / Series HF-XA-5M Lens Type Fixed Focal Length IP Rating Not Specified Focal Length 6 mm ƒ/N ƒ/1

Step adapters to fit most M25

9 - 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

526 mm Exit Pupil Position -99

50 mm Entrance Pupil Position Not Specified TV Distortion (%) 0

This product has been discontinued and has been replaced by HF9HA-1S

smaller diameter thread is female

5 Female Thread M30

Available as a 6 Extension Ring Set

Product Line / Series HF-HA-1S Lens Type Fixed Focal Length IP Rating Not Specified Focal Length 75 mm ƒ/N ƒ/2

Part numbers are made up of the part number prefix (FK100) plus the filter size in mm