Massa adapter for Cokin 72mm system SB619 — filter holder adapter

The Massa adapter for Cokin 72mm system SB619 is a metal mounting ring designed to connect lenses with a 72mm filter thread to the Cokin 72mm square filter holder. It serves as a reliable mechanical interface that allows photographers to use square or rectangular filters for creative control over exposure, color balance, and graduated effects. The adapter is compact and intended to fit directly onto the lens filter thread, providing a stable base for sliding filter holders and filters.

Advantages

The adapter provides a secure and precise attachment between a 72mm lens thread and the Cokin 72mm holder, reducing play and misalignment during use. Its simple and lightweight construction makes it easy to carry and mount in the field, while the standardized connection ensures compatibility with a wide range of Cokin 72mm accessories. The design preserves access to the lens while enabling quick installation and removal of square or rectangular filters.

Suitable for

• Landscape photography where graduated neutral density or color filters are required
• Long-exposure photography that uses neutral density (ND) filters
• Studio work requiring consistent filter positioning and quick swaps
• Architectural and travel photography needing precise control over highlights and shadows

Key specifications

• Compatible filter thread size: 72 mm
• Intended holder type: Cokin 72mm square/rectangular filter holder
• Material: metal construction for stable mounting
• Finish: durable surface treatment to resist wear during attachment
• Mounting method: screw-on ring that attaches to the lens filter thread

How to use

Align the adapter with the lens filter thread and screw it onto the lens until it is hand-tight and flush, taking care not to overtighten. Once the adapter is mounted, slide the Cokin 72mm filter holder onto the adapter according to the holder’s mounting groove, ensuring the holder engages securely. Insert the chosen square or rectangular filter into the holder and adjust position as required for framing and exposure. To remove, first slide out the filters and holder, then unscrew the adapter from the lens.

Usage recommendations

When using the adapter for long exposures or landscape work, verify that the adapter and holder are securely seated to prevent light leaks or movement. Use a lens cap or protective cover when transporting the lens with the adapter mounted, and clean contact surfaces periodically to avoid cross-threading or debris affecting fit.