Leica N Plan 20x Pol Objective

SKU: 556043

$595.00
$595.00 $995.00 save $400.00
Leica N Plan 20X POL Objective — NA 0.40 | WD 1.1mm | Strain-Free | M25 Thread | Infinity Corrected | Cat. No. 556043 | Excellent

KEY FEATURES

  • Strain-free POL construction — eliminates false birefringence artifacts for accurate crossed-polarizer imaging and measurement
  • Plan (N Plan) correction for flat-field, distortion-free imaging across the full field of view
  • NA 0.40 and 1.1mm working distance — well-suited for routine polarized light examination of thin sections and crystals at 20X
  • M25 thread mount for compatibility with Leica infinity-corrected polarizing and research microscopes
  • Excellent condition with flawless optics — fully inspected and optically verified
  • Made in Germany to Leica's exacting optical standards
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Product Overview

The Leica N Plan 20X POL Objective (cat. no. 556043) is a strain-free, plan-corrected, infinity-corrected objective designed for polarized light microscopy. NA 0.40, working distance 1.1mm, M25 thread mount. Strain-free construction eliminates false birefringence artifacts between crossed polarizers — essential for accurate PLM of minerals, crystals, polymers, pharmaceuticals, and optical glass. Compatible with Leica DM P, DM 2500 P, DM 4500 P, and all M25 Leica infinity-corrected systems. Condition: Excellent, flawless optics. SKU: 556043.

Technical Specifications

Magnification 20X
Numerical Aperture (NA) 0.40
Working Distance 1.1mm
Optical Correction Plan (N Plan)
POL / Strain-Free Yes — for polarized light microscopy
Optical System Infinity Corrected
Thread Mount M25
Catalog Number 556043
SKU 556043
Condition Excellent — Flawless Optics
Country of Origin Germany

Microscope Compatibility

Leica DM P / DM LP polarizing microscopes (M25 thread)
Leica DM RX / DM RBE upright research microscopes (M25 thread)
Leica DM 2500 P / DM 4500 P polarizing microscopes (M25 thread)
Leica DM 750 P / DM 1750 M polarizing microscopes (M25 thread)
Any Leica infinity-corrected microscope with M25 objective thread and compatible polarizing accessories

Typical Applications

Polarized light microscopy (PLM) of minerals and geological thin sections
Crystallography and crystal habit examination
Birefringence measurement and retardation analysis
Pharmaceutical analysis of crystalline active ingredients
Polymer and fiber orientation analysis
Quality control of optical components and glass for strain
Forensic examination of birefringent trace evidence

  • Designed for Mixed-Brand Lab Environments

    Olympus, Nikon, Zeiss, Leica components in one place

  • Quality-Verified New & Pre-Owned Equipment

    Professionally sourced and verified for performance

  • Backed by Spach Optics Warranty & Support

    Ideal for labs using multiple microscope platforms

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    Most orders ship quickly from within the United States

  • Expert Support from Optical Specialists

    Guidance on compatibility, selection, and configuration