Stereo Microscope Barlow Lens
Barlow lenses that increase the magnification of a stereo microscope objective without changing the working distance or optical quality.

A Barlow lens mounts between the microscope objective and the eyepiece or camera to extend the effective magnification. It is used to increase the field of view at higher magnifications while maintaining the same working distance. These lenses are designed for stereo microscopes with standard nosepiece threads and are available in 0.3X, 0.5X, 0.7X, 0.75X, 1.5X and 2X magnification factors. They are compatible with both biological and stereo microscope systems using standard 23mm or 25mm objective barrels.
Every Stereo Microscope Barlow Lens In Stock
All 9 items in this category, listed in full.

XSZ7045 2X Stereo Microscope Barlow Lens
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XSZ7045 1.5X Stereo Microscope Barlow Lens
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XSZ7045 0.5X Stereo Microscope Barlow Lens
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XSZ6745 2X Stereo Microscope Barlow Lens
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XSZ6745 1.5X Stereo Microscope Barlow Lens
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XSZ6745 0.75X Stereo Microscope Barlow Lens
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XSZ6745 0.7X Stereo Microscope Barlow Lens
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XSZ6745 0.5X Stereo Microscope Barlow Lens
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XSZ6745 0.3X Stereo Microscope Barlow Lens
View DetailsWhat Goes Wrong Without the Right Stereo Microscope Barlow Lens
- A fixed magnification objective limits the range of inspection tasks without changing the entire optical system
- Increasing magnification by switching objectives reduces working distance, making it hard to access parts with height
- Lack of intermediate magnification steps makes it difficult to transition smoothly between low and high power views
- Using a camera with a fixed lens limits the ability to adjust magnification without repositioning the entire setup
Who Buys From This Category
- Electronics rework benches inspecting fine-pitch components and solder joints
- Precision assembly lines working with small mechanical parts and micro-connections
- Jewellery and watchmaking workshops examining settings and surface details
- Laboratories performing quality checks on moulded or machined components
Why These Items
- Increases magnification without reducing working distance, allowing access to high parts or deep cavities
- Provides intermediate magnification steps between standard objectives for smoother inspection transitions
- Maintains optical quality when used with compatible microscope systems and proper alignment
- Allows camera systems to achieve higher magnification without changing the lens or repositioning the camera
- Saves cost and setup time compared to replacing the entire objective or adding a new microscope
Where These Are Used
- Inspecting a fine-pitch SMD component where a 2X Barlow lens extends magnification without reducing working distance
- Examining a deep cavity in a moulded housing where a 0.5X Barlow lens increases field of view without changing focus
- Capturing a high-magnification image of a solder joint using a digital camera with a 1.5X Barlow lens
- Switching between low and high magnification during a single inspection task using a 0.75X Barlow lens as an intermediate step
Before You Order
- Ensure the Barlow lens thread size matches the objective barrel diameter (23mm or 25mm) of your microscope
- Check that the Barlow lens is compatible with your eyepiece or camera adapter to avoid vignetting or misalignment
- Use a 0.5X or lower magnification Barlow when you need to maintain a wide field of view for large parts
- Use a 1.5X or 2X Barlow when you need to inspect fine details without changing the objective
Frequently Asked Questions
Will a Barlow lens fit my stereo microscope?
It fits if your microscope has a 23mm or 25mm objective barrel. Send the model number of your microscope and we will confirm compatibility.
Can I use a Barlow lens with a digital camera?
Yes. A Barlow lens can be used between the objective and the camera adapter to increase magnification for digital imaging.
Does using a Barlow lens reduce image quality?
When used with a compatible system and properly aligned, the optical quality remains consistent. Poor image quality usually results from mismatched thread sizes or misalignment.
What is the difference between a 0.5X and a 2X Barlow lens?
A 0.5X Barlow reduces magnification and increases working distance. A 2X Barlow increases magnification and maintains working distance.
Can I stack multiple Barlow lenses?
No. Stacking Barlow lenses is not recommended as it causes optical distortion and image degradation.
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