Step-Up Adapter M25.5-M30.5 ƒ/N Max_ƒ/1.8 This lens series has been

This lens series has been discontinued and has been succeeded by the HF16HA-1S

01 Operating Temperature Range -10 to +50°C Dimensions 51 mm × 51 mm × 76 mm Angle of View @ 2/3″ 6

185-∞ field of view

15° Front Principle Point -17

53 Operating Temperature Range -10 to +50°C Dimensions 56 mm × 56 mm × 60

Step-Up Adapter M25.5-M30.5 ƒ/N Max_ƒ/1.8 This lens series has beenStep 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