Mitutoyo LCD Plan Apo NIR 50x LWD Objective

Infinity corrected, metallurgical brightfield plan apochromat near-infrared radiation range 50x objective long working distance lens. Suitable for laser applications. Wavelength correction from visible to near-infrared (1800nm). This lens has glass-thickness compensation and is designed to observe a specimen through glass 0.7mm thick. Lens features include:

• Magnification = 50x
• Glass Thickness = 0.7mm
• NA = 0.42
• WD = 17.26mm
• Wavelength Range = 480nm to 1800nm
• Suitable YAG Laser Type = Fundamental and second and third-harmonic waves
• Focal Length = 3.9mm
• Resolving Power = 0.7µm
• Depth of Field = 1.6µm
• Real Field of View with Ø24 Eyepiece = Ø0.48
• Real Field of View with 1/2" Chip Camera = 0.10 x 0.13
• Thread Size = M26
• Weight = 320g