RF4 RF-7050 Pro Zoom Microscope

The RF4 RF-7050 Pro is a 7–50X zoom stereo microscope for motherboard repair. Its listing is short, but it covers the figures that matter most for a repair microscope.

It gives a 7–50X zoom, a 0.5X CTV adapter for a camera, a 144-LED ring light and a dustproof lens. The zoom has six detent positions that lock at set steps, which makes it easier to return to the same magnification. The packed carton is 44 × 34 × 27 cm and weighs 5.3 kg.

When the RF-7050 Pro helps

• Cracked joints and broken traces on phone boards.

• Damaged FPC connectors.

• Shorted capacitors hidden among small parts.

• Flux smoke residue fogging an unsealed lens.

Using the zoom stops

Work out which of the six stops you use for locating parts and which for soldering, then click between them instead of turning freely. It saves refocusing time.

The listing doesn't say whether the head is binocular or trinocular, nor the working distance. The 0.5X CTV suggests a camera port, but confirm before ordering. A 5.3 kg packed weight suggests a solid base.