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AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot

AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar is a heavy-duty pin-tail focus rack for major brand stereo microscopes, priced at $87.99, ideal for laboratory and research use.

$87.99 $111.99-21%

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Key features

  • Heavy-duty pin-tail focus rack
  • 3-inch annular ring
  • 5/8-inch pin tail
  • Coarse focus and tension adjustment
  • ISO 9001 quality control standard
  • Lamp slot included
  • Mounting pin for secure attachment

Pros

  • +High-precision focus control
  • +Heavy-duty construction
  • +ISO 9001 quality control standard
  • +Lamp slot for additional lighting
  • +Secure attachment with mounting pin
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Cons

  • May require additional setup and calibration
  • Limited compatibility with certain microscope models

About AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot

What is AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot?

The AmScope FR-A3-V203 Stereo Microscope Focus Block is a heavy-duty pin-tail focus rack designed for major brand stereo microscopes. It features a 3-inch (76mm) diameter annular ring that holds the microscope head and a 5/8-inch (16mm) diameter pin tail. The focus gear includes coarse focus and tension adjustment, allowing for precise control over the microscope's focus.

Key features

  • Annular Ring Diameter — 3 inches (76mm).
  • Pin Tail Diameter — 5/8 inch (16mm).
  • Focusing Distance — 1-3/8 inches (35mm).
  • Shipping Weight — 4 pounds.
  • Quality Control Standard — ISO 9001.
  • Lamp Slot — included for additional lighting.
  • Mounting Pin — 5/8 inch for secure attachment.

Who is AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot for?

This product is designed for professionals and researchers who require a high-quality, heavy-duty focus block for their stereo microscopes. It is ideal for laboratory and research settings where precise control over the microscope's focus is crucial.

How does AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot compare?

The AmScope FR-A3-V203 Stereo Microscope Focus Block offers a high level of precision and control, making it a valuable addition to any laboratory or research setting. Its heavy-duty construction and ISO 9001 quality control standard ensure that it will withstand frequent use and provide reliable performance.

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Best use cases

  • Laboratory research
  • Microscope calibration
  • Quality control inspection
  • Medical research
  • Educational settings
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Is AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot right for you?

The AmScope FR-A3-V203 Stereo Microscope Focus Block is ideal for professionals and researchers who require a high-quality focus block for their stereo microscopes. It is suitable for those with intermediate to advanced knowledge of microscopy and laboratory procedures. Alternatives may include focus blocks from other manufacturers, but the AmScope FR-A3-V203 offers a unique combination of precision, durability, and value.

How it compares: Compared to standard focus blocks, the AmScope FR-A3-V203 offers improved precision and control, making it a valuable upgrade for laboratory and research settings.

Are There Active AmScope Coupons for This Product?

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Frequently Asked Questions

What is the diameter of the annular ring?

The diameter of the annular ring is 3 inches (76mm).

Does the focus block include a lamp slot?

Yes, the focus block includes a lamp slot for additional lighting.

What is the weight of the focus block?

The shipping weight of the focus block is 4 pounds.

Is the focus block compatible with all microscope models?

The focus block is designed for major brand stereo microscopes, but compatibility may vary depending on the specific model.

What is the quality control standard for the focus block?

The focus block is manufactured under the ISO 9001 quality control standard.

How much does AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot cost?

AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot is $87.99 at AmScope, marked down from $111.99 (save 21%). Prices may change — click through to AmScope for the latest.

Is AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot in stock at AmScope?

Yes, AmScope FR-A3-V203 Stereo Microscope Focus Block with 76mm Collar 5/8in Mounting Pin Lamp Slot is currently in stock at AmScope.

Are there coupon codes for AmScope?

Yes — Love Those Deals currently tracks 4 active AmScope coupons. See the coupons section on this page to copy a code before checkout.

Specifications

Category
Focusing Rack
SKU
40285342892207
Last updated Jun 4, 2026