SKU: PRODUCT ID:OBJ-000-210
Zeiss LD Achroplan Korr 20x/0.4 RMS Thread Size 44 08 44 Microscope Objective
Zeiss LD Achroplan Korr 20x/0.4 RMS Thread Size 44 08 44 Microscope Objective
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Zeiss LD Achroplan Korr 20x/0.4 RMS Thread Size - 44 08 44 (Used)
The Zeiss LD Achroplan Korr 20x/0.4 is a high-quality **long working distance (LD) achromatic objective** designed for **brightfield, phase contrast, and fluorescence microscopy**. With a **numerical aperture (NA) of 0.4**, this objective provides excellent resolution, contrast, and field flatness, making it ideal for **live-cell imaging, unstained sample observation, and routine laboratory use**. The **RMS thread size** ensures compatibility with Zeiss and other RMS-compatible microscopes.
Condition
Refurbished/Used
(This product has been inspected and verified to meet manufacturer specifications.)
Included Items
- Zeiss LD Achroplan Korr 20x/0.4 Objective
Key Features
- 20x magnification for high-resolution imaging
- Long working distance (LD) for improved focus on thick samples
- Achromatic optics for superior contrast and color correction
- Numerical aperture (NA) of 0.4 for enhanced light transmission
- Correction Collar (Korr) for adjusting cover glass thickness
- RMS thread size for compatibility with Zeiss and other standard microscopes
- Flat field correction for sharp, edge-to-edge imaging
- Optimized for fluorescence, brightfield, and phase contrast microscopy with high transmission coatings
Applications
- Brightfield microscopy
- Phase contrast microscopy
- Fluorescence microscopy
- Live-cell imaging
- Pathology and histology
- Biological and clinical research
Specifications
Specification | Details |
---|---|
Magnification | 20x |
Numerical Aperture (NA) | 0.4 |
Working Distance | ~3.0 mm |
Immersion Medium | Air (Dry) |
Cover Glass Thickness | 0.17 mm (Correction Collar Adjustable) |
Optical Correction | Achromatic (Flat Field, High Contrast, Adjustable Correction for Cover Glass Variations) |
Thread Size | RMS (0.8" / 20.32mm diameter, 0.706mm pitch) |
Parfocal Distance | 45 mm |
Compatible Microscopes | Zeiss Axioscope, Standard, and other RMS-compatible models |
Special Features | Correction collar for optimal imaging, high transmission coatings for fluorescence applications |
Additional Details
Additional Details
- Manufacturer: Zeiss
- Model: LD Achroplan Korr 20x/0.4 RMS Thread Size
- Catalog Number: 44 08 44
- Serial Number: N/A
- Condition: Used










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