LWD objectives for visible range
 Posted on December 24, 2015
 
CAD
 
US$
 
Lower Cost Super Long Working Distance Plan Apochromat objectives.Lower Cost Super Long Working Distance Plan Apochromat objectives.
Image at left shows currently available objectives from 2-50X with 2X on the righthand side. These are essentially 5 separate images combined into one. Consequently objectives are at different scale! For dimensions please click on link unter image (on detail page).
A while ago the manufacturer did change the outside look from black coating to a chrome finish, 2X is the last one still available in black coating.
Mitutoyo SL workalikes from 5X to 100X, 2X not shown.Another set of Mitutoyo SL workalikes from 5X to 100X, 2X not shown.
Similar to Mitutoyo standard objectives from 2X to 10X, from 20X to 100X similar to Mitutoyo SL objectives with attractive pricing.
 
Long working distance objectives from 1X all the way to 500X.Long working distance objectives from 1X all the way to 500X.
Similar to Mitutoyo standard objectives from 1X to 20X, 50X is close to Mitutoyo SL, 100X and above offer less working distance but higher NA. 150X and 250X are not offered anywhere else, practical use of the 500X depends on your application.
Prices increase in Asia relentlessly. Adjustment is based on pricing received June 29.

Parfocal Distance = 95mm, with Mitutoyo  thread (26 mm x 36tpi).
Infinity type for use with F = 200mm tube lens, spectral transmission 400nm to 800nm.
Many parameters like parfocal length, use of f = 200 mm tube lens, and outside dimensions match the Mitutoyo part while other properties are only slightly different.
Chromatic aberration is corrected for red, blue, and yellow by using an apochromatic objective lens as compared to a standard achromatic objective lens with correction for red and yellow only.

DIN objectives with Long Working Distance. RMS thread and parfocal length of 45 mm makes it easy to use them on standard microscopes with infinity lens.
DIN objectives with Long Working Distance. RMS thread and parfocal length of 45 mm makes it easy to use them on standard microscopes with infinity lens.
Image at top shows currently available objectives from 5 -100X with 2.5X not shown.
Parfocal Distance = 45mm, with RMS thread (26 mm x 36tpi).
Infinity type for use with F = 200mm tube lens, transmission range 400nm to 750nm.
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