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 Brand Donegan Model DA-4 Magnification 2x Focal Length 10 inches (25 cm) Lens Ground optical glass Part Number DA4 Frequently Asked QuestionsQ: 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.