Marelux Optical Glass Port 230mm Fisheye

The Marelux Optical Glass Port 230mm Fisheye is designed for underwater photography systems requiring a large-diameter optical port for fisheye lenses. Featuring high-quality BK7 crystal glass with a broadband multilayer anti-reflection coating, it is engineered to support light transmission and help minimise unwanted reflections when capturing images underwater.

Constructed with an anodised aluminium alloy body and port shade, this optical port combines durable materials with precision optical components. With an 80m depth rating, it is designed for demanding underwater photography applications.

Marelux Optical Glass Port 230mm Fisheye Specifications

• Port mount: Series 5

• Depth rating: 80m

• Port diameter: 230mm

• Overall dimensions: 254mm × 113mm

• Port opening diameter: 114mm

• Weight: 2.6kg

• Body material: Anodised aluminium alloy

• Port material: BK7 crystal glass

• Optical coating: Broadband multilayer anti-reflection coating

• Port shade material: Anodised aluminium alloy

Marelux Optical Glass Port 230mm Fisheye Details

The Marelux 230mm Fisheye Optical Glass Port combines a large optical surface with a coated BK7 crystal glass element for underwater imaging. The broadband multilayer anti-reflection coating is designed to reduce reflections at the glass surface, helping maintain optical performance in demanding photographic conditions.

The anodised aluminium alloy construction provides a robust housing for the glass element, while the Series 5 mount identifies the port's intended mounting system.

With an 80m depth rating, this port is suitable for compatible underwater camera housings when used within the manufacturer's specified limits.

Compatibility

Before ordering, check that your Marelux housing uses the Series 5 port mount and that the port is compatible with your specific camera housing and fisheye lens combination. Confirming compatibility is essential for correct fit and optical performance.

If this is not the underwater photography port you are looking for, browse our or explore the full Marelux collection available from Dive Rutland.