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Home > Products > Optics > Optical Systems > Precision Objective Lenses

Precision Objective Lenses
Precision Objective Lenses

  • Extra-long working distance
  • Visible and NIR versions
  • Infinity corrected, ideal for laser applications
  • Parfocal designs simplify refocusing

Product Description Product Detail Specifications Catalog PDF
Product Description
Our precision objectives feature optical designs well corrected for infinite conjugate with the added benefit of a working distance more than 5 times as long as ordinary microscope objectives. This long working distance makes these lenses useful where other objectives are prohibited by mechanical constraints. These objectives are excellent for laser collimating and focusing applications.


Ordering Information
 Quantity Model Description Price
  Visible
  N-20X-LD Precision Objective Lens, 20x, 0.30 NA, 10.0mm Focal Length, Visible 
  N-40X-LD Precision Objective Lens, 40x, 0.60 NA, 5.0mm Focal Length, Visible 
  Near Infrared
  N-8X-TIR Precision Objective Lens, 8x, 0.25 NA, 25.0mm Focal Length, Near Infrared 
  N-20X-TIR Precision Objective Lens, 20x, 0.25 NA, 25.0mm Focal Length, Near Infrared 
  N-20X-APO-IR Precision Objective Lens, 20x, 0.35 NA, 10.0mm Focal Length, Near Infrared 
  N-40X-TIR Precision Objective Lens, 40x, 0.60 NA, 5.0mm Focal Length, Near Infrared 
  N-80X-TIR Precision Objective Lens, 80x, 0.90 NA, 2.5mm Focal Length, Near Infrared 

Microscope objective power is based on a 200 mm tube length. MP = 200 mm/f

Note: The threads adhere to Microscope Society Standard (800-36).


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