Expert Binocular Group

The Opticron 8x42 Aurora BGA VHD is a high-performance roof prism binocular designed for enthusiasts and professionals who demand exceptional optical quality in a lightweight, durable package. As a second-generation model launched in 2021, it represents a significant step forward from its predecessor, the DBA VHD+, with a completely new optical system and ergonomic design . Below are the detailed product information, specifications, and features.

Product Specifications at a Glance

Key Features and Benefits

• Advanced VHD Optical System: At the heart of the Aurora BGA VHD is its sophisticated VHD (V High Definition) optical system. It incorporates Extra-low Dispersion (ED) glass in the objectives to virtually eliminate chromatic aberration (color fringing) for superior color fidelity and contrast . The system also includes a field-flattener lens group, which ensures the image remains sharp and in focus all the way to the very edge of the wide field of view, a feature usually found on much more expensive models .

• Maximized Light Transmission with Advanced Coatings: To deliver bright and clear images even in low-light conditions, the binoculars utilize several advanced coating technologies. The phase-corrected prisms with Opticron's proprietary Oasis coating enhance resolution and contrast by correcting phase shifts that occur in roof prism designs. Furthermore, S-H type multi-coatings are applied to all air-to-glass surfaces to maximize light transmission and reduce unwanted reflections .

• Ergonomic and Durable Construction: Built for comfort and lasting use in the field, the Aurora features a lightweight yet rigid magnesium alloy chassis wrapped in a protective, textured rubber armor for a secure grip in all weather conditions . The body is nitrogen-filled and waterproof (submersible to 5 meters), making it impervious to rain, splashes, and internal fogging .

• User-Friendly Operation: Designed with the user in mind, it offers a 4-stage twist-up eyecup mechanism, allowing users with or without eyeglasses to easily find the correct eye relief (20mm) for a comfortable, full field of view . A smooth-action central focusing wheel requires approximately 500º of turn from close focus to infinity, allowing for quick and precise focusing . The central diopter adjuster is conveniently located and can be locked to prevent accidental movement . It also features a built-in tripod adapter socket for extended viewing sessions .