Discontinued

Objective Lens / OBL-40-A

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.

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Part Number
OBL-40-A
◦Full color correction throughout the visible wavelength.
◦The OBL-40 and OBL-60 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.
More Information
Catalog Code W3085
RoHS Yes
CE No
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CAD data
Guide ▶Use a special filter (SFB) to correct the wave front distortion.
WEB Reference Catalog Code/W4036
▶Objective holder (LHO) is available for these objective lenses.
WEB Reference Catalog Code/W4024
▶Cross holder (TAT) is now available.
WEB Reference Catalog Code/W4038
Attention ▶Do not use objectives with high power laser.
▶The objective lenses are finite and are not to be used with infinite lens barrel or poor images will result.
▶To be used only in the visible wavelength range.
Specifications
Magnification40×
Barrel Length D36.5mm
Barrel diameter φBφ19.8mm
Pupil diameter φCφ5.0mm
Focal length f4.51mm
Numerical aperture (NA)0.65
Working distance (WD)0.6mm
Weight0.06kg