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Microscope Objectives

Semi-Plan Infinity corrected achromatic objectives
Coated with broadband multilayer AR for visible regions

Holmarc offers infinity corrected Plan achromatic objectives for imaging or focusing applications. These objectives can also be used in fiber coupling, spatial filtering, and microscopy applications. Our Plan infinity corrected achromatic objectives are designed for 180mm focal length tube lens and a cover glass thickness of 0.17mm. All the lens elements in the objectives are coated with broadband multilayer AR for visible regions.



Model No. HO-PA-MO4X HO-PA-MO10X HO-PA-MO20X HO-PA-MO40X HO-PA-MO60X HO-PA-MO100X
Magnification 4 X 10 X 20 X 40 X 60 X 100 X (oil)
Numerical Aperture (NA) 0.10 0.25 0.40 0.65 0.85 1.25
Field Number (FN) 20 mm 20 mm 20 mm 20 mm 20 mm 20 mm
Effective Focal Length (EFL) 45 mm 18 mm 9 mm 4.5 mm 3 mm 1.8 mm
Working Distance(WD) 19.3 mm 6.8 mm 1.0 mm 0.67 mm 0.49 mm 0.25 mm
Cover Glass 0.17 mm 0.17 mm 0.17 mm 0.17 mm 0.17 mm 0.17 mm
Wavelength Range 400 - 700 nm 400 - 700 nm 400 - 700 nm 400 - 700 nm 400 - 700 nm 400 - 700 nm
Threading 0.8” x 36 TPI 0.8” x 36 TPI 0.8” x 36 TPI 0.8” x 36 TPI 0.8” x 36 TPI 0.8” x 36 TPI
Price ($) 79.50 125.00 175.00 179.00 200.00 215.00

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