Arca-Swiss 6.50 Inch Multipurpose Rail A3-650

The Hejnar Photo A3-650 is a precision‑machined 6.50-inch Arca‑type rail designed for extreme versatility in the field and studio. Featuring three captive-style mounting slots and a laser-engraved metric scale, this rail serves as a modular building block for macro photography, panoramic stitching, and custom gear configurations. CNC-machined from solid aircraft-grade 6061-T6 aluminum.

Quick Overview & Key Features

• Model: A3-650
• Extended 6.50" Length: Provides ample room for macro adjustments, nodal slides, and telephoto balancing.
• Triple Mounting Slots: Features three (3) captive-style slots for maximum modular flexibility.
• Engraved Metric Scale: Laser-engraved markings on both sides ensure fast, repeatable positioning for focus stacking and panoramas.
• Arca-Swiss Compatible: Double-dovetail profile works with RRS, Kirk, Wimberley, Markins, and other standard clamps.
• Premium Materials: CNC-machined from 6061-T6 aluminum with a durable black hard-coat anodized finish.
• Made in the USA: Proudly manufactured with professional-grade tolerances for lifelong reliability.

Product Description

The A3-650 Multipurpose Rail is an original design engineered to solve complex mounting challenges. At 6.50 inches long, this rail is a true "problem-solver" for professional setups, providing a stable and modular foundation for macro photography, panoramic stitching, and custom rig building.

This rail is highly adaptable across various disciplines. It can be utilized as a precision Macro Rail for fine focus adjustments, a Long Lens Plate for improved telephoto balance, or a Nodal Slide for panoramic photography when combined with a clamp. Its three integrated captive-style slots allow for the secure attachment of cameras, clamps, or flash accessories in nearly any orientation, making it ideal for constructing custom L-Brackets or supporting multiple flash units.

Precision is at the core of the A3-650. The laser-engraved metric scale is critical for technical workflows where repeatable alignment matters. Machined from a solid block of aircraft-grade aluminum and finished with a hard-coat anodize, this rail delivers the rigidity and wear resistance required for demanding professional environments.