Donegan OptiVISOR DA-4 Headband Magnifier – 2x Magnification, 10" Focal Length

The Donegan DA-4 OptiVISOR is a classic hands-free magnifier worn on your head, leaving both hands completely free for your work. With 2x magnification and a 10-inch focal length, it's perfectly suited to jewellery makers, wire wrappers, and anyone working with fine components who wants to see every detail clearly and comfortably.

Key Features

• Brand: Donegan (distributed by Beadsmith)
• Model: DA-4
• Magnification: 2x
• Focal Length: 10 inches (25 cm)
• Lens Type: Ground optical glass lens plate
• Style: Binocular headband magnifier
• Hands-free design — adjustable headband fits most head sizes
• Lightweight and comfortable for extended use

What Can You Make With It?

• Wire wrapping and wire jewellery making
• Beadwork and bead threading
• Soldering and metalwork
• Miniature crafts and needlework
• Watch and clock repair
• Reading fine print or small markings

Why You'll Love It

• Keeps both hands free so you can focus on your craft
• Ground glass optics give a clear, undistorted view
• Comfortable for long crafting sessions
• Works over glasses — no need to remove your own eyewear
• A trusted tool used by professional jewellers and hobbyists alike

Technical Specifications

Frequently Asked Questions

Q: Can I wear this over my glasses?
Yes — the OptiVISOR is designed to fit comfortably over standard eyeglasses.

Q: What is the focal length?
The DA-4 has a 10-inch (25 cm) focal length, meaning it works best when your work is roughly 10 inches from your eyes.

Q: Is this suitable for beadwork?
Absolutely. Many beaders and jewellers use the OptiVISOR for threading fine beads, reading tiny gauge markings, and detail wire work.

Q: What is the difference between DA-4 and DA-5?
The DA-4 offers 2x magnification with a 10" focal length. The DA-5 offers 2.5x magnification with an 8" focal length — slightly stronger but closer working distance.