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5-30mm RMS Extender Ring for Olympus Leica Zeiss Microscope

5-30mm RMS Extender Ring for Olympus Leica Zeiss Microscope

The 5–30mm RMS Extender Ring from Nanjing AMADA Instrument is a precision adapter for Olympus, Leica, Zeiss, Nikon, and other microscopes requiring up to 75mm parfocal length. Made from premium aluminum alloy, it provides flexible extension from 5mm to 32mm with total lengths ranging from 9mm to 36mm. The ring features standard RMS inner and outer threads for universal compatibility and enables accurate focus alignment without objective replacement.

  • Adjustable parfocal extension from 5mm to 32mm to match varying microscope configurations
  • Total length options from 9mm to 36mm for precise fit in tight or extended optical paths
  • Universal RMS threading ensures compatibility with Olympus, Zeiss (45mm), Nikon, Leica (60mm), and similar microscopes
  • Lightweight aluminum alloy construction for durability and ease of handling
  • Maintains optical alignment during focus adjustment without requiring objective changes
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Technical features

  • Material: Premium aluminum alloy
  • Total length range: 9mm–36mm
  • Parfocal extension range: 5mm–32mm
  • Standard RMS inner and outer threads
  • Compatible with Olympus and Zeiss (45mm), Nikon and Leica (60mm), and other microscopes up to 75mm parfocal length
  • Enables precise focus adjustment without objective replacement
  • Lightweight design for easy handling and installation

Who it is for

  • Microscope technicians maintaining or upgrading optical systems
  • Lab managers sourcing interchangeable adapters for multi-brand equipment
  • Field service engineers needing portable, reliable extension solutions
  • Distributors offering modular accessories for microscope systems

Specifications

MaterialPremium Aluminum Alloy
Total Length Range9mm–36mm
Parfocal Extension Range5mm–32mm
Thread StandardRMS Inner and Outer Threads
CompatibilityOlympus, Zeiss (45mm), Nikon, Leica (60mm), and other microscopes up to 75mm parfocal length

Use guide

  • Select total length based on required clearance between objective and camera or accessory
  • Choose parfocal extension to match the distance needed for focus alignment
  • Install by screwing into the microscope's objective mount and confirm secure fit
  • Use with RMS-compatible cameras, illuminators, or additional optics

FAQ

What is the maximum parfocal extension available?
32mm, with total length up to 36mm.
Is this compatible with Nikon and Leica microscopes?
Yes, it fits Nikon and Leica systems with 60mm parfocal length.
Can I use this with Olympus and Zeiss microscopes?
Yes, it is compatible with Olympus and Zeiss models requiring 45mm parfocal length.
Does it require tools to install?
No, it is designed for hand-tight installation and removal.
What material is used and why is it important?
Premium aluminum alloy ensures strength, light weight, and resistance to deformation over time.

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