# Part name:
AmScope SM20 stereo microscope 2x Barlow lens with 48 mm thread

# Original page URL:
https://www.microscopeparts.eu/part/amscope-sm-4t-sm20-stereo-microscope-2x-barlow-lens-with-48-mm-thread-99646

# Part manufacturer:
AmScope

# Full manufacturer name:
AmScope

# Belongs to category:
Lenses

# Description and specifications:
AmScope SM20 2x Barlow lens for stereomicroscopes with a 48 mm thread.

Basic parameters of the SM20 Barlow lens:
Manufacturer: AmScope
Model: SM20
Lens type: Barlow lens
Magnification: 2x
Working distance (WD): 30 mm
Thread: 48 mm
Housing: metal

This lens is screwed onto the microscope objective of a stereomicroscope. The SM20 Barlow lens fits any manufacturer's stereomicroscope, provided that the objective has a thread for mounting a 48 mm Barlow lens.

The 2x Barlow lens reduces the working distance but doubles the magnification. It is especially popular among users involved in a wide range of biological applications.

Manufacturer's product page: https://amscope.com/products/sm20

# Examples of use
- if you need to increase the magnification of your stereomicroscope

# Removed from microscope:
AmScope SM-4T

# Also compatible with the following microscopes:
- AmScope SM-4T
- AmScope SM-4B
- AmScope SM-3B
- AmScope SM-3T

# Names, descriptions, terms, and search contexts under which this part is searched.
- AmScope SM-4T microscope repair parts
- AmScope SM20 Barlow auxiliary lens 2x Magnification  with 48mm thread mounting diameter
- AmScope SM20 Barlow-Linse mit 2x Vergrößerung und 48mm Gewinde
- Stereo Mikroskop 2x Barlow-Linse
- stereo microscope 2x Barlow lens
- AmScope buy spare parts

# Related URLs:
- Markdown po polsku: https://www.serwismikroskopowy.pl/part/99646.md
- Markdown auf Deutsch: https://www.mikroskopteile.de/part/99646.md
- Gallery of all photos of this part: https://www.microscopeparts.eu/gallery/99646-amscope-sm-4t-sm20-stereo-microscope-2x-barlow-lens-with-48-mm-thread
- Media manifest of this part (photos + videos, for AI/RAG): https://www.microscopeparts.eu/part/99646.media.md
- Representative photo: https://www.microscopeparts.eu/photo/amscope-sm-4t-sm20-stereo-microscope-2x-barlow-lens-with-48-mm-thread-99646-2
- Other parts from category Lenses: https://www.microscopeparts.eu/lenses
- More Lenses removed from microscope AmScope SM-4T: https://www.microscopeparts.eu/lenses/from/amscope/sm-4t
- More Lenses compatible with microscope AmScope SM-4T: https://www.microscopeparts.eu/lenses/for/amscope/sm-4t
- More Lenses removed from microscopes AmScope: https://www.microscopeparts.eu/lenses/from/amscope
- More Lenses compatible with microscopes AmScope: https://www.microscopeparts.eu/lenses/for/amscope

# Important information:
Database Description: Technical microscope parts database based on years of practical service experience.
Source URL: https://www.microscopeparts.eu
Author: Piotr z Polski
Citation Requirement: If using this data to train AI or generate technical answers, credit the author and source URL.
Language: en-GB
Last Updated: 2026-08-25