ZEISS Objective Lenses LD A-Plan 20x/0.35 Ph1 wd 4.9mm (78928, 421251-9911-000)

The ZEISS LD A-Plan 20x/0.35 Ph1 objective is engineered for phase contrast microscopy and offers dependable performance in laboratory and educational environments. Its long working distance design provides additional flexibility when examining thicker specimens or working with specialized sample setups. With plan field correction, it delivers sharp and evenly illuminated images across the entire field of view. The infinity-corrected optical system ensures compatibility with modern microscope platforms, making it well suited for university-level instruction and research.

Optical Specifications
Image Scale: 1:100
Field Curvature: Plan
Cover Glass Correction: No
Suspension: No
Immersion Lens: Yes
Infinity Corrected: Yes
Magnification: 20x
Optical System: Infinity

Performance Specifications
Image Scale: 20
Magnification: 20x
Numerical Aperture: 0.35
Phase Contrast: Yes

Mechanical Specifications
Working Distance: 0.27 mm

Field of Application
Education: Yes
University Use: Yes

Additional Information
Supplier Product Number: 421251-9911-000