Mitutoyo BD Plan Apo SL 20x ULWD Objective

Infinity corrected, metallurgical brightfield darkfield (BD) plan apochromat ultra long working distance 20x SL (super long) objective lens. Microscope lens features include:

• Magnification = 20x
• NA = 0.28
• WD = 30.5mm
• Focal Length = 10mm
• Resolving Power = 1.0µm
• Depth of Field = 3.5µm
• Real Field of View with Ø24 Eyepiece = Ø1.2
• Real Field of View with 1/2" Chip Camera = 0.24 x 0.32
• Parfocal Distance = 95mm 
• Wavelength Range = 436nm to 656nm
• Thread Size = M40
• Weight = 350g

Mitutoyo Part # = 378-840-7
Note: This item is not returnable.