Mitutoyo Brightfield and Darkfield (BD) Infinity Corrected Objectives offer long working distances with high numerical apertures. The high-quality plan apochromatic design allows these objectives to maintain high numerical apertures and contrast while correcting chromatic aberration in the visible wavelength region. These objectives feature M40 x 36TPI mounting threads. Mitutoyo Brightfield and Darkfield (BD) Infinity Corrected Objectives are optimized for both brightfield and darkfield illumination for applications including surface inspection and advanced life science microscopy.
Dimensions (mm) | ||||||||
Stock No. | BD Plan Apo | A | B | C | D | E | F | W.D. |
#18-402 | 2X | 61.0 | 4.0 | 40.0 | 37.0 | 42.0 | 44.0 | 34.0 |
#18-403 | 5X | 61.0 | 4.0 | 40.0 | 37.0 | 42.0 | 44.0 | 34.0 |
#18-404 | 7.5X | 61.0 | 4.0 | 40.0 | 37.0 | 42.0 | 44.0 | 34.0 |
#18-405 | 10X | 61.0 | 4.0 | 40.0 | 37.0 | 42.0 | 44.0 | 34.0 |
#18-406 | 20X | 75.0 | 7.0 | 40.0 | 32.0 | 42.0 | 44.0 | 20.0 |
#18-407 | 50X | 82.0 | 8.5 | 40.0 | 32.0 | 42.0 | 44.0 | 13.0 |
#18-408 | 100X | 89.0 | 10.0 | 40.0 | 31.5 | 42.0 | 44.0 | 6.0 |
Stock No. |
BD Plan Apo SL | A | B | C | D | E | F | W.D. |
#18-409 | 20X SL | 64.5 | 7.5 | 40.0 | 31.0 | 42.0 | 44.0 | 30.5 |
#18-410 | 50X SL | 75.0 | 7.0 | 40.0 | 32.0 | 42.0 | 44.0 | 20.0 |
Stock No. |
BD Plan APO HR | A | B | C | D | E | F | W.D. |
#18-411 | 50X HR | 89.9 | 4.8 | 40.0 | 32.0 | 42.0 | 44.0 | 5.2 |
#18-412 | 100X HR | 93.7 | 4.7 | 40.0 | 32.0 | 42.0 | 44.0 | 1.3 |
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