SKU: PRODUCT ID:50184d
Zeiss LD A-Plan Ph1 20x/0.35 M27 Thread Size Microscope Objective
Zeiss LD A-Plan Ph1 20x/0.35 M27 Thread Size Microscope Objective
Couldn't load pickup availability
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
| Specification | Detail |
|---|---|
| Manufacturer | Zeiss |
| Model | LD A-Plan 20x/0.35 Ph1 |
| Catalog Number | 421251-9911 |
| Magnification | 20x |
| Numerical Aperture | 0.35 |
| Objective Type | LD A-Plan (Long Distance) |
| Contrast Method | Phase Contrast (Ph1) |
| Thread Size | M27 |
| Immersion Method | Dry |
| Working Distance | Long (exact distance varies) |
| Field Correction | Plan (flat field) |
Configuration shown is for demonstration purposes. Contact us to discuss your application and needs for a customized quote.
Additional Details
Additional Details
- Manufacturer: Zeiss
- Model: LD A-Plan 20x/0.35 Ph1 M27 Thread Size
- Catalog Number: 50184d
- Serial Number: N/A
- Condition: Seller Refurbished

Why Coastal?
we offer expert consultation services designed to tailor high-quality pre-owned imaging equipment to meet your precise requirements.
We Buy Used Lab Equipment!
Whether you want to trade-in your equipment, downgrade, or upgrade, our team of professionals will work with you to guarantee your satisfaction.
180 Day Warranty
We offer Up to 1-Year Parts & Labor Warranty (with extended contract offerings), Quality Control & Assurance Documentation and Expert Technology & Application Advice.
Free Expert Consultation
Let us help you customize an imaging solution for your needs.