ZEISS OBJECTIVE LD20X/0.35, NEGATIVE PHASE CONTRAST LONG
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ZEISS OBJECTIVE LD20X/0.35, NEGATIVE PHASE CONTRAST LONG
This ZEISS microscope lens, type LD20x/0.35 with negative phase contrast and long working distance, is specifically designed to enhance imaging of transparent or unstained samples. It provides 20× magnification and a numerical aperture of 0.35, featuring a long working distance, making it suitable for applications such as live cell imaging and observation through thicker culture vessel bottoms.
20× magnification for detailed viewing of microscopic structures
Numerical aperture of 0.35 for improved resolution and light-gathering ability
Long working distance suitable for thick samples or culture vessels
Negative phase contrast to enhance contrast in transparent unstained samples
Compatible with brightfield and fluorescence techniques in addition to phase contrast
Achromatic optical design for flat-field imaging and reduced chromatic aberration
Long distance (LD) configuration corrected for cover glass or vessel bottom thickness up to about 1 mm (polystyrene) and possibly more depending on setup
Screw mount (typically M27) for compatibility with ZEISS inverted microscope systems
Designed for use in air (dry) without immersion medium
Used in phase contrast microscope with matching condenser ring (such as Ph1) for optimal contrast
Also suitable for brightfield and fluorescence imaging depending on microscope configuration
Exact parameters should be determined by a qualified specialist based on the microscope and sample used
Usually supplied as a single lens unit; may include accessories such as protective caps depending on the supplier
This ZEISS microscope lens, type LD20x/0.35 with negative phase contrast and long working distance, is specifically designed to enhance imaging of transparent or unstained samples. It provides 20× magnification and a numerical aperture of 0.35, featuring a long working distance, making it suitable for applications such as live cell imaging and observation through thicker culture vessel bottoms.
Main Benefits
20× magnification for detailed viewing of microscopic structures
Numerical aperture of 0.35 for improved resolution and light-gathering ability
Long working distance suitable for thick samples or culture vessels
Negative phase contrast to enhance contrast in transparent unstained samples
Compatible with brightfield and fluorescence techniques in addition to phase contrast
Construction
Achromatic optical design for flat-field imaging and reduced chromatic aberration
Long distance (LD) configuration corrected for cover glass or vessel bottom thickness up to about 1 mm (polystyrene) and possibly more depending on setup
Screw mount (typically M27) for compatibility with ZEISS inverted microscope systems
Usage Instructions
Designed for use in air (dry) without immersion medium
Used in phase contrast microscope with matching condenser ring (such as Ph1) for optimal contrast
Also suitable for brightfield and fluorescence imaging depending on microscope configuration
Exact parameters should be determined by a qualified specialist based on the microscope and sample used
Package Size
Usually supplied as a single lens unit; may include accessories such as protective caps depending on the supplier