Meiji Plan Phase Objectives For TC Series


SKU: MA825 / MA826 / MA827 / MA828 Brand:
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Meiji Techno’s TC Plan Phase Objectives are made with extra-low-dispersion glass and utilizes advanced multilayer anti-reflection coatings. Five layers of a dielectric thin film are applied to the glass phase plate using a special vacuum deposition technique. The multiple anti-reflection coating in combination with the film reduces the amount of stray light and glare reflected back into the system. The resulting high contrast image is described as a negative or bright contrast phase image. The use of a 546nm green interference filter helps the achromatic objectives produce their best image because they are spherically corrected for green light.

Model MA825 MA826 MA827 MA828
Type TC Plan Phase LWD (Biological, Inverted)
Optical Infinity Corrected ∞ Tube Lens
Tube Length F=200mm
Magnification 4X 10X 20X 40X
Numerical Aperture (N.A.) 0.13 0.25 0.40 0.65
Focal Length (F.L.) 50.0mm 20.0mm 10.0mm 5.0mm
Working Distance (W.D.) 17.3mm 7.6mm 7.0mm 2.8mm
Parfocal Distance 45mm
Cover Slip Correction 1.0mm
Diameter Threads 0.7965″ (20.1mm) DIN Standard
TPI 36
Whitworth 55°
Diameter (mm) 27.79mm
Length (mm) -mm
Weight (g) 80g

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  • Weight: 1 lbs
  • Dimensions: 3 × 2 × 2 in


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Compatible with

Fluorescence Microscope – Meiji TC5000 Inverted Series
Meiji TC5000 Inverted Brightfield Microscope Series
Inverted Microscope – Meiji TC5000 Phase Contrast Series