Long Working Distance Objective Lens 4mm Focal Length 50X
◦Two types of parfocal distance are available, 45mm and 90mm.
◦This parfocal 95mm lens has a long working distance and a corrected field curvature. Its natural observation image is obtained to the periphery of the visual field.
◦ It is possible to improve the response speed in the driving mechanism of the 45mm parfocal objective lens (SFS-OBL/ SFAI-OBL); with a lightweight auto focusing solution.
|Name||Long Working Distance Objective Lens 4mm Focal Length 50X|
|Standard Coatings Available||No|
|Image Label||Long Working Distance Objective Lens 4mm Focal Length 50X|
|Working Distance WD||8.2mm|
|Numerical aperture (NA)||0.55|
|Working distance (WD)||8.2mm|
|Focal length f||4mm|
|Real field of View (Eyepiece φ24mm)||φ0.48mm|
|Real field of View (Imaging device 1/2-inch)||0.10×0.13mm|