Arca-Swiss Conversion Adapter Plate for Manfrotto MVH502 Pro Video Head

The Hejnar Photo Manfrotto MVH502 Conversion Plate is a precision-engineered hardware solution designed to modernize your video support system. This adapter plate only (clamp sold separately) allows you to bypass the proprietary Manfrotto side-lock system and transition to the universal Arca-Swiss standard. Engineered to fit the MVH502AH series, which features Manfrotto's patented bridging technology, this plate provides an unyielding foundation for professional architectural, technical, and macro photography using Arca-style plates and L-brackets.

Note: Arca-Swiss Quick Release Clamp is NOT included in this listing.

SAE Technical Specifications

• Compatibility: Exclusively designed for the Manfrotto MVH502 Pro Video Head.
• Dimensions: 4.9 inches long, 3.9 inches wide, and 0.58 inches thick.
• Weight: 7.1 oz (200g).
• Mounting Holes: Two sets of outside holes are tapped 10-32 and spaced exactly 45 mm apart.
• Material: Precision CNC-machined from solid 6061-T6 Aircraft-Grade Aluminum.
• Finish: Durable black hard-coat anodized for superior abrasion resistance.
• Manufacturing: Designed and manufactured with pride in the USA.

Detailed Installation Instructions

Upgrade your fluid video head in just a few simple steps:

1. Remove the Factory Platform: Uninstall the original top mounting plate from your Manfrotto MVH502 head.
2. Secure the Adapter Plate: Attach the Hejnar conversion plate directly to the Manfrotto head using the same four screws from the original factory platform.
3. Attach Your Clamp: Mount your Arca-Swiss compatible clamp (such as the Hejnar F63 or F63b) to the adapter plate using the 10-32 tapped holes.

Quick Overview & Key Features

• Omnidirectional Mounting: Position your Arca-style clamp in 90-degree increments relative to the plate to ensure your locking knob is always in the ideal ergonomic position.
• Zero Rotational Play: Precision-milled registration ensuring the plate cannot rotate once secured to the head.
• Universal Arca Standard: Enables full compatibility with plates and L-brackets from RRS, Kirk, Wimberley, and Markins.
• Professional Profile: Maintains a low-profile center of gravity for more fluid and precise adjustments.

Comprehensive Product Description

The Hejnar Photo Manfrotto MVH502 Conversion Plate is a "new product design" developed specifically for professionals who demand the smooth, fluid control of a video head combined with the modular security of the Arca-Swiss ecosystem. By converting your MVH502, you resolve the inherent limitations of proprietary sliding plates, ensuring your micron-level gear adjustments translate perfectly to your final capture.

This plate is meticulously engineered for unyielding stability under heavy professional camera loads. Whether you are balancing a long telephoto lens for wildlife cinematography or conducting high-magnification macro work, the high-density 6061-T6 aluminum construction provides a monolithic connection that factory components simply cannot match. Its smart multi-angle configuration holes allow you to reposition your clamp index in 90-degree increments to stay perfectly clear of camera cables or body doors.

Made in the USA, this component provides the structural integrity and technical excellence that defines Hejnar Photo gear, making it a superior alternative to products from competitors like Really Right Stuff, Kirk, and Leofoto. It is a robust, intelligent investment that modernizes your existing support system for ultimate reliability.