Arca-Swiss 7.00 Inch Multipurpose Rail A3-70

The Hejnar Photo A3-70 is a precision-engineered 7.00-inch Arca-type quick release solution designed for photographers who demand flexibility and reliability. Featuring three captive-style mounting slots and a laser-engraved metric scale, this rail integrates seamlessly with Arca-Swiss style clamps and ball heads for macro, panoramic, and custom rig applications. CNC-machined from solid aircraft-grade 6061-T6 aluminum.

Quick Overview & Key Features

• Model: A3-70
• Extended 7.00" Length: Provides a versatile 178mm platform for precision gear positioning.
• Triple Mounting Slots: Features three (3) captive-style slots for maximum hardware attachment flexibility.
• Engraved Metric Scale: Laser-engraved markings on both sides ensure fast, repeatable setups for technical photography.
• Safety Stops: Includes two M3 stainless steel safety stop screws to prevent accidental equipment slide-out.
• Premium Materials: CNC-machined from solid 6061-T6 aluminum with black hard-coat anodizing.
• Made in the USA: Proudly manufactured with professional-grade tolerances for lifelong reliability.

Product Description

The Hejnar Photo A3-70 Multi-Purpose Rail (MPR) is an original design engineered as a versatile building block for a wide range of professional photographic applications. This 7.00-inch rail provides a rock-solid foundation, solving complex mounting challenges in both the studio and the field.

Versatile Professional Applications:
The A3-70 is a true multi-tool for your kit. It can be utilized as a precision Macro Rail for close-up work, a Long Lens Plate for improved telephoto balance, or a Nodal Slide for parallax-free panoramic setups. It is also an ideal solution for mounting lighting gear or combining with a 90° block to create a custom L-bracket tailored to specific camera bodies.

Precision is facilitated by the integrated laser-engraved metric scale, which is a critical feature for repeatable focus-stacking or panoramic stitching. Weighing only 3.1oz (88g), this rail delivers professional-grade stability in a lightweight package. Machined in the USA from solid aircraft-grade aluminum, it is finished with a hard-coat anodize for superior durability and wear resistance in demanding environments.