12 Inch Arca-Swiss Multipurpose Rail with Engraved Metric Scale

The Hejnar Photo 12.00-Inch Multipurpose Rail is a heavy-duty, precision-engineered instrument designed for uncompromising stability. Outperforming mass-produced alternatives with its robust, bespoke build, this rail provides superior rigidity compared to standard offerings from competitors like Really Right Stuff, Kirk, and Leofoto. Featuring a 5/8-inch thickness, it effectively eliminates micro-vibrations, serving as an ideal modular foundation for large-scale macro rigs, panoramas, and heavy telephoto stabilization.

SAE Technical Specifications

• Overall Length: 12.00 inches.
• Rail Width: 1.50 inches.
• Rail Thickness: 0.625 inch (5/8") for maximum structural integrity.
• Mounting Configuration: Three (3) captive-style slots for versatile equipment positioning.
• Top Mounting Holes: One 1/4-20 tapped hole and one 3/8-16 tapped hole for accessory mounting.
• End Accessory Mounting: Dual 1/4-20 accessory holes (one per end) and two anti-twist dowel pin holes on each end.
• Material: CNC-machined 6061-T6 Aluminum.
• Finish: Black Hard Coat Anodized surface.

Quick Overview & Key Features

• Triple Captive Slot Design: Provides extended range for accurate positioning and optimal balance for multiple accessories like flashes or monitors.
• Precision Metric Scale: High-contrast laser-engraved markings on each side support repeatable focal plane adjustments and nodal point alignment.
• Universal Arca-Swiss Standard: Fully compatible with quick-release systems from RRS, Kirk, Wimberley, Markins, and Leofoto.
• Advanced Dual-Side Support: Works as a robust lens support when paired with small clamps and lens support brackets (sold separately).
• Built-In Safety Features: Includes M3 safety stop screws to prevent accidental equipment free-fall when the clamp is not fully closed.

Detailed Product Description

The Hejnar Photo 12-inch Multipurpose Rail is a specialized hardware component engineered to solve complex mounting challenges. Its 5/8-inch thickness maximizes torsional stiffness, outperforming mass-produced alternatives in ensuring optimal alignment and stability for demanding optical setups. The dual-sided, laser-engraved metric scale allows for pinpoint, repeatable setups, making it an essential tool for technical macro photography and focus stacking.

This rail is designed for professional modularity. Use it as an extended Lens Plate for large format cameras or as a Nodal Slide for panoramic photography to eliminate parallax errors. For wildlife and sports photographers, combining this rail with a lens support plate provides a rock-solid foundation for heavy telephoto setups, dramatically improving the stability of your camera and lens combination.

Machined from solid 6061-T6 aluminum and finished with a durable hard-coat anodize, this USA-made rail is built for professional longevity. Whether used in a controlled lab environment or in the field, this rail provides the structural reliability and tailored compatibility that define Hejnar Photo hardware.