Compound Microscope Objectives

Brightfield Objectives - 160mm Tube Length
For Upright Biological Microscopes

International DIN Standard. Parfocal Distance 36mm. DIN Standard Threading 0.7965" (20.1mm) diameter, 36 TPI, 55 degree Whitworth.

Achromat Objectives for TM200 Series
MA225 Achromat 4X objective, NA 0.10 WD 16.0mm (discontinued)
MA227 Achromat 10X objective, NA 0.25 WD 6.7mm (discontinued)
MA229 Achromat S20X objective, NA 0.40 WD 1.8mm (discontinued)
MA232 Achromat S40X objective, NA 0.65 WD 0.4mm (discontinued)
MA237 Achromat S60X objective, NA 0.85 WD 0.31mm (discontinued)
MA239 Achromat S100X oil objective, NA 1.25 WD 0.1mm (discontinued)

S. Flat Achromat Objectives for ML2000 & ML5000 Series
MA482 S.Flat Achromat 4X objective, NA 0.10 WD 20.0mm (discontinued)
MA483 S.Flat Achromat 10X objective, NA 0.25 WD 6.6mm (discontinued)
MA484 S.Flat Achromat S20X objective, NA 0.40 WD 3.1mm (discontinued)
MA485 S.Flat Achromat S40X objective, NA 0.65, spring loaded, WD 0.4mm (discontinued)
MA486 S.Flat Achromat S60X objective, NA 0.85, spring loaded, WD 0.2mm (discontinued)
MA487 S.Flat Achromat S100X oil objective, NA 1.25, spring loaded, WD 0.13mm (discontinued)

SM Semi Plan Achromat Objectives for ML2000 & ML5000 Series
MA611 SM Semi Plan Achromat 4X objective, NA 0.10 WD 19.83mm
MA612 SM Semi Plan Achromat 5X objective, NA 0.10 WD 19.83mm
MA613 SM Semi Plan Achromat 10X objective, NA 0.25 WD 6.23mm
MA614 SM Semi Plan Achromat S20X objective, NA 0.40 WD 3.13mm
MA615 SM Semi Plan Achromat S40X objective, NA 0.65 WD 0.43mm
MA616 SM Semi Plan Achromat S60X objective, NA 0.85 WD 0.23mm
MA617 SM Semi Plan Achromat S100X oil objective, NA 1.25 WD 0.12mm

BF Semi Plan Achromat Objectives for ML2000 & ML5000 Series
MA690 BF Semi Plan Achromat 4X objective, NA 0.10 WD 19.83mm (discontinued)
MA691 BF Semi Plan Achromat 10X objective, NA 0.25 WD 6.23mm (discontinued)
MA692 BF Semi Plan Achromat S20X objective, NA 0.40 WD 3.1mm
MA693 BF Semi Plan Achromat S40X objective, NA 0.65 WD 0.43mm
MA694 BF Semi Plan Achromat S50X oil objective, NA 0.95 WD 0.25mm
MA696 BF Semi Plan Achromat S100X oil objective, NA 1.25 WD 0.15mm
MA811 BF Semi Plan Achromat S50X oil objective with iris, NA 0.95 WD 0.24mm
MA813 BF Semi Plan Achromat S100X oil objective with iris, NA 0.95 WD 0.24mm

Plan Achromat Objectives for ML2000 & ML5000 Series
MA432 Plan Achromat 2.5X objective, NA 0.08 WD 23.7mm
MA622 Plan Achromat 4X objective, NA 0.10 WD 9.6mm
MA636 Plan Achromat 5X objective, NA 0.10 WD 9.6mm
MA623 Plan Achromat 10X objective, NA 0.25 WD 7.0mm
MA625 Plan Achromat S40X objective, NA 0.65 WD 0.63mm
MA627 Plan Achromat S100X oil objective, NA 1.25 WD 0.13mm

Phase Contrast Objectives - 160mm Tube Length
For Upright Biological Microscopes

International DIN Standard. Parfocal Distance 45mm. DIN Standard Threading 0.7965" (20.1mm) diameter, 36 TPI, 55 degree Whitworth.

Achromat Phase - Zernike Type for ML2000 & ML5000 Series
MA448 Phase Achromat 10X objective, NA 0.25 WD 5.8mm
MA449 Phase Achromat S20X objective, NA 0.40 WD 1.9mm
MA450 Phase Achromat S40X objective, NA 0.65 WD 0.53mm
MA451 Phase Achromat S100X oil objective, NA 1.25 WD 0.14mm

Semi Plan Achromat Phase - Zernike Type for ML2000 & ML5000 Series
MA695 BF Semi Plan Achromat Phase 10X objective, NA 0.25 WD 6.23mm
MA697 BF Semi Plan Achromat Phase S20X objective, NA 0.40 WD 3.1mm
MA698 BF Semi Plan Achromat Phase S40X objective, NA 0.65 WD 0.43mm
MA699 BF Semi Plan Achromat Phase S100X oil objective, NA 1.25 WD 0.15mm

Infinity Corrected
Brightfield/Darkfield Metallurgical Objectives

Infinity corrected, brightfield/darkfield objectives for upright metallurgical Microscopes with infinity tube lens focal length at 200mm.

  • Parfocal distance = 45mm.
  • Standard 26mm diameter threads
  • 36 threads per inch, 55 degrees Whitworth.

Plan Epi Brightfield/Darkfield Metallurgical Objectives - 26mm diameter
For MT7500 & MT8500 Series
MA923 BD 5X / NA 0.10 Plan Epi objective, WD 17.0mm
MA924 BD 10X / NA 0.25 Plan Epi objective, WD 7.48mm
MA925 BD 20X / NA 0.40 Plan Epi objective, WD 5.2mm
MA926 BD 50X / NA 0.75 Plan Epi objective, WD 0.38mm
MA989 BD 100X / NA 0.90 Plan Epi objective, WD 0.37mm

S.Plan Brightfield Metallurgical Objectives

MA329 M60X / NA 0.85 S.Plan objective infinity corrected WD 0.38mm (discontinued)
MA349 S.Plan LWD M50X, NA 0.50, working distance: 6.0mm, infinity corrected (discontinued)
MA722 S.Plan LWD M40X, NA 0.45, working distance: 5.8mm, infinity corrected (discontinued)

 Infinity Corrected Brightfield Biological Objectives

Infinity corrected, brightfield/darkfield objectives for upright biological Microscopes with infinity tube lens focal length at 200mm.

  • Parfocal distance = 45mm.
  • Standard 20.1mm diameter threads
  • 36 threads per inch, 55 degrees Whitworth.

S. Plan Achromat Objectives - MT4000 Series
MA628 S. Plan 4X objective, NA 0.10 WD 15.9mm (discontinued)
MA630 S. Plan 10X objective, NA 0.25 WD 7.3mm (discontinued)
MA631 S. Plan 20X objective, NA 0.40 WD 5.1mm (discontinued)
MA632 S. Plan 50X objective, NA 0.65 WD 0.72mm (discontinued)
MA634 S. Plan 100X oil objective, NA 1.25 WD 0.14mm (discontinued)

Plan Achromat Objectives - MT5000 & MT6000 Series
MA965 Plan 4X objective, NA 0.10 WD 15.3mm
MA966 Plan 10X objective, NA 0.25 WD 7.3mm
MA967 Plan 20X objective, NA 0.40 WD 5.1mm
MA968 Plan 50X objective, NA 0.65 WD 0.72mm
MA970 Plan 100X oil objective, NA 1.25 WD 0.14mm

U. Plan Achromat Objectives - MT5000 & MT6000 Series
MA830 U. Plan 2.5X objective, NA 0.07 WD 5.7mm
MA831 U. Plan 4X objective, NA 0.10 WD 17.8mm
MA832 U. Plan 10X objective, NA 0.25 WD 10.67mm
MA833 U. Plan 20X objective, NA 0.40 WD 7.29mm
MA834 U. Plan 40X objective, NA 0.65 WD 0.5mm
MA835 U. Plan 50X oil objective, NA 0.87 WD 0.28mm
MA837 U. Plan 100X oil objective, NA 1.25 WD 0.23mm

Infinity Corrected Phase Contrast Objectives For Upright Biological Microscopes

International DIN Standard. Parfocal Distance 45mm. F = 200mm. DIN Standard Threading 0.7965" (20.1mm) diameter, 36 TPI, 55 degree Whitworth.

S. Plan Phase - Zernike Type for MT4000 Series
MA930 S. Plan Phase 10X objective, NA 0.25 WD 7.3mm
MA931 S. Plan Phase 20X objective, NA 0.40 WD 5.1mm
MA932 S. Plan Phase 40X objective, NA 0.65 WD 0.72mm
MA933 S. Plan Phase 100X oil objective, NA 1.25 WD 0.14mm

U. Plan Phase - Zernike Type for MT4000, MT5000 & MT6000 Series
MA839 U. Plan Phase 10X objective, NA 0.25 WD 10.7mm
MA840 U. Plan Phase 20X objective, NA 0.40 WD 7.29mm
MA841 U. Plan Phase 40X objective, NA 0.65 WD 0.5mm
MA842 U. Plan Phase 100X oil objective, NA 1.25 WD 0.23mm

Infinity Corrected Darkfield Objectives For Upright Biological Microscopes

International DIN Standard. Parfocal Distance 45mm. F = 200mm. DIN Standard Threading 0.7965" (20.1mm) diameter, 36 TPI, 55 degree Whitworth.

Darkfield Objectives for MT4000, MT5000 & MT6000 Series
MA836 U. Plan DF 50X objective with iris, NA 0.87 WD 0.28mm
MA838 U. Plan DF 100X oil objective with iris, NA 1.25 WD 0.23mm

Darkfield-Oil Immersion Objectives with Dry Condenser System
MA617/672
SM Plan objective 100X, NA 1.25 with funnel stop (discontinued)
MA661/674
Achromatic sub-stage condenser NA 1.25 with dry darkfield stop (discontinued)

Infinity Corrected Brightfield Objectives for Inverted Biological Microscopes

Infinity corrected, brightfield objectives with infinity tube lens focal length at 200mm.

  • Parfocal distance = 45mm.
  • Standard 20.1mm diameter threads
  • 36 threads per inch, 55 degrees Whitworth.

S. Plan Achromat Objectives - VT Series
MA340 S. Plan LWD 4X objective, NA 0.10 WD 19.95mm
MA341 S. Plan LWD 10X objective, NA 0.25 WD 6.64mm
MA342 S. Plan LWD 20X objective, NA 0.40 WD 4.49mm
MA343 S. Plan LWD 40X objective, NA 0.65 WD 0.78mm
MA790 B. Plan LWD 40X oil objective, NA 1.25 WD 1.48mm w/ cover glass correction (discontinued)

S. Plan Achromat Phase Objectives - VT Series
MA346 S. Plan LWD Phase 10X objective, NA 0.25 WD 6.64mm
MA347 S. Plan LWD Phase 20X objective, NA 0.40 WD 4.49mm
MA348 S. Plan LWD Phase S40X objective, NA 0.65 WD 0.78mm

 Infinity Corrected Epi-Fluorescence Objectives for Upright Biological Microscopes

Infinity corrected, fluorescence objectives with infinity tube lens focal length at 200mm.

  • Parfocal distance = 45mm.
  • Standard 20.1mm diameter threads
  • 36 threads per inch, 55 degrees Whitworth.

Semi Apo Plan Fluorescence Objectives - MT6000 Series
MA844 S. Apo Plan 10X objective, NA 0.40 WD 1mm
MA845 S. Apo Plan 20X objective, NA 0.65 WD 0.7mm
MA846 S. Apo Plan 40X objective, NA 0.82 WD 0.15mm
MA847 S. Apo Plan 40X oil objective, NA 0.85 WD 0.2mm
MA848 S. Apo Plan 100X oil objective, NA 1.25 WD 0.2mm
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