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AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot
AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar, $128.99, ideal for precise microscope focus control.
$128.99
● In stock
Buy at AmScope →Price and availability may change. Click to see current details on AmScope.
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Key features
- Ball Bearing
- 76mm Annular Ring
- Coarse Focus
- Low-position Lamp Slot
- ISO 9001 Quality
- 32mm Tube Mount
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Pros
- +Smooth focus control
- +High-quality construction
- +Precise focus adjustment
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Cons
- −Limited compatibility
- −No built-in lighting
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About AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot
What is AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot?
The AmScope FR-A70 Stereo Microscope Focus Block is a high-quality focus rack designed for major brand stereo microscopes. It features a ball bearing and a 3-inch (76mm) diameter annular ring that holds the microscope head, allowing for smooth and precise focus control.
Key features
- Ball Bearing — smooth focus control.
- Annular Ring — 3-inch (76mm) diameter.
- Coarse Focus — with tension adjustment.
- Low-position Lamp Slot — for convenient lighting.
- ISO 9001 Quality Control — ensures high standards.
- 32mm Tube Mount — compatible with various microscopes.
- 5-1/2-inch (140mm) Distance — between central line of annular hole and microscope body.
Who is AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot for?
This focus block is designed for professionals and hobbyists who require precise focus control for their stereo microscopes, such as biologists, researchers, and educators.
How does AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot compare?
Compared to standard focus blocks, the AmScope FR-A70 offers superior smoothness and precision, making it an excellent choice for those who demand high-quality focus control.
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Best use cases
- →Biological research
- →Educational microscopy
- →Industrial inspection
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Is AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot right for you?
The AmScope FR-A70 is ideal for professionals and hobbyists who require precise focus control. It's suitable for those with intermediate to advanced microscopy skills. Alternatives include standard focus blocks or manual focus controls.
How it compares: Compared to standard polypropylene focus blocks, the AmScope FR-A70 offers superior smoothness and precision.
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Frequently Asked Questions
What is the diameter of the annular ring?
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The diameter of the annular ring is 3-inch (76mm).
Does the focus block come with built-in lighting?
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No, it has a low-position lamp slot for convenient lighting.
What is the distance between the central line of the annular hole and the microscope body?
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The distance is 5-1/2-inch (140mm).
Is the focus block compatible with all microscopes?
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No, it's designed for major brand stereo microscopes with a 32mm tube mount.
What is the weight of the focus block?
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The shipping weight is 4 lbs.
How much does AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot cost?
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AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot is $128.99 at AmScope. Prices may change — click through to AmScope for the latest.
Is AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot in stock at AmScope?
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Yes, AmScope FR-A70 Stereo Microscope Focus Block with 76mm Collar 32mm Tube Mount Low-position Lamp Slot is currently in stock at AmScope.
Are there coupon codes for AmScope?
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Yes — Love Those Deals currently tracks 4 active AmScope coupons. See the coupons section on this page to copy a code before checkout.
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Specifications
- Category
- Focusing Rack
- SKU
- 40347644428463
Last updated Jun 8, 2026