Leica Einstellfernrohr Phase Centering Telescope 23mm

SKU: 11513468

$195.00
Leica Einstellfernrohr Phase Centering Telescope for 23mm eyetubes — enables precise phase contrast annulus alignment on all microscopes with 23mm eyetubes. New / open box condition.

KEY FEATURES

  • 23mm eyetube diameter — compatible with all microscopes with 23mm eyetubes
  • Enables precise centering of phase contrast annuli
  • Provides clear view of objective back focal plane
  • Genuine Leica/Leitz accessory — new / open box condition
  • Essential tool for phase contrast setup and verification
  • University and institutional purchase orders accepted
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Product Overview

The Leica Einstellfernrohr (11513468) is a precision phase centering telescope for aligning phase contrast illumination on microscopes with 23mm eyetubes. It replaces a standard eyepiece to provide a focused view of the objective's back focal plane, enabling accurate centering of the condenser annulus relative to the objective phase ring. Compatible with Leitz and early Leica DM-series instruments and all other microscopes with 23mm eyetubes. New / open box condition.

Technical Specifications

Part Number 11513468
Eyetube Diameter 23mm
Function Phase contrast centering telescope
Compatible Systems All microscopes with 23mm eyetubes
Brand Leica / Leitz
Condition New / Open Box
Country of Origin Germany

Microscope Compatibility

All microscopes with 23mm eyetubes
Leitz Orthoplan, Ortholux, and Laborlux series microscopes
Early Leica DM-series microscopes with 23mm eyetubes
Zeiss microscopes with 23mm eyetubes
Olympus and Nikon microscopes with 23mm eyetubes

Typical Applications

Phase contrast annulus centering and alignment
Phase contrast system setup and verification
Back focal plane inspection of objectives
Köhler illumination alignment verification
Teaching and laboratory microscope setup

  • 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

  • Fast, Reliable U.S. Shipping

    Most orders ship quickly from within the United States

  • Expert Support from Optical Specialists

    Guidance on compatibility, selection, and configuration