Zeiss LD A-Plan 20x/0.35 Ph1 M27 Thread Size 421251-9911 Microscope Objective

Zeiss LD A-Plan 20x/0.35 Ph1 Objective, M27 Thread – Catalog #421251-9911

The Zeiss LD A-Plan 20x/0.35 Ph1 is a high-performance phase contrast objective, engineered for superior clarity in live cell imaging and transmitted light applications. Designed with long working distance (LD) and phase ring (Ph1), this M27-threaded objective is an ideal match for phase contrast setups using compatible Zeiss microscopes. It offers crisp contrast and flat-field correction across the field of view.

Condition

Refurbished/Used
(This product has been inspected and verified to meet manufacturer specifications)

Key Features

• Magnification: 20x
• Numerical Aperture (NA): 0.35
• Objective Type: LD A-Plan (Long Distance, Plan-corrected)
• Contrast Technique: Phase Contrast (Ph1 ring)
• Thread Size: M27 (Zeiss standard)
• Working Distance: Long—ideal for thick specimens or live cell imaging
• Field Correction: Plan (flat image across the field)
• Application Focus: Excellent for unstained, transparent specimens under phase contrast

Applications

• Live cell and culture imaging
• Unstained tissue observation
• Microbiology and cell biology research
• Clinical and teaching labs

Specifications

Configuration shown is for demonstration purposes. Contact us to discuss your application and needs for a customized quote.