Step-up Adapter Ring Hoya 72–86mm for Square Filter Holder SQ100

Adapter ring to mount the HOYA Sq100 square filter holder on lenses with a 72 mm front thread, allowing use of the 86 mm geared adapter and SQ100 holder or accessories. The Step-up Adapter Ring Hoya 72–86mm provides a secure mechanical connection between lens and square filter system and is intended for use with rectangular filters, graduated filters and polarizers.

Advantages

The adapter ring enables compatibility between lenses with a 72 mm filter thread and the HOYA Sq100 square filter system without modifying the lens. It offers a stable threaded connection that keeps the square holder aligned with the lens axis and works together with the 86 mm geared adapter from the Sq100 Holder Kit. The part is compact and lightweight, simplifying transport and setup in the field.

Suitable for

• Landscape photography with graduated ND and rectangular filters
• Architectural photography requiring precise filter placement
• Use of polarizing and other square/rectangular filters with a 72 mm front thread
• Photographers who already own the HOYA Sq100 Holder Kit and need adapter rings

Key specifications

• Brand: Hoya
• Model: Step-up Adapter Ring Hoya 72–86mm
• Fits lens front thread: 72 mm
• Accepts holder/accessories sized for: 86 mm geared adapter / SQ100
• EAN: 0024066072436

How to use

Check the filter thread size of your lens (usually marked on the inside of the lens cap or in the lens manual). Install the 86–86 mm geared adapter from the HOYA Sq100 Holder Kit onto the Sq100 holder, then screw the Step-up Adapter Ring Hoya 72–86mm onto the geared adapter. Finally, attach the assembled holder and adapter to the 72 mm front thread of your lens and verify the holder is aligned and secure.

Usage recommendations

Hoya Sq100 Holder Kit (including the 86–86 mm geared adapter) is sold separately; purchase the kit if you do not already have it. Ensure threads are clean and free of debris before mounting to avoid cross-threading and to maintain a stable connection.