Objectives

These objectives are educational microscope objectives. They are to the JIS standard (Japanese Industry Standard), have Short focal length, high NA and are fit for beam divergent use.

Full color correction throughout the visible wavelength.
The OBL-40-A have a built-in spring in the tip of the objective lens.
These objective lenses are finite.
To mount it to a microscope, a finite 160mm adaptor is required.
The distance from the attachment face of the objective lens to the image is 150mm.


 

Outline Drawing

 

Specifications

Part Number Magnification Barrel Length D Barrel Diameter φB Pupil Diameter φC Working Distance WD Focal Length f Numerical Aperture NA Weight
OBL-10-A 10x 30.5mm φ16.7mm φ8.0mm 6.5mm 16.56mm 0.25 0.05kg
OBL-20-A 20x 35.2mm φ16.7mm φ7.98mm 1.7mm 9.01mm 0.4 0.05kg
OBL-40-A 40x 36.5mm φ19.8mm φ5.0mm 0.6mm 4.51mm 0.65 0.06kg
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