NiSi Wide Conversion Lens Kit for Ricoh GR IIIx

Overview

The NiSi Wide Conversion Lens Kit for Ricoh GR IIIx is a complete wide-angle solution designed to expand the creative potential of the Ricoh GR IIIx while preserving the camera’s compact size, fast operation, and discreet shooting experience. By converting the GR IIIx’s native 40mm equivalent focal length to an approximately 31mm equivalent field of view, the kit provides photographers with a wider and more versatile perspective without needing to change cameras or compromise portability. Designed specifically for the GR IIIx platform, the kit combines the NiSi PR-10 0.78x Wide Conversion Lens with the precision-engineered NiSi 49 mm Filter Adapter MKII, delivering a seamless, secure fit that integrates naturally with the camera body for everyday carry, travel, street photography, and documentary work.

Core Features

• Converts the Ricoh GR IIIx from 40mm to approximately 31mm equivalent.
• Maintains the compact handling and portability of the GR IIIx system.
• Includes a dedicated 49 mm Filter Adapter MKII designed for the GR IIIx.
• Mechanical auto-lock system helps prevent accidental loosening during use.
• Compatible with the camera’s Macro Mode for close-up photography.
• Multi-layer nano coatings help reduce flare and ghosting.
• Adapter supports standard 49 mm filters when the conversion lens is removed.
• Aluminum alloy construction balances durability with lightweight portability.
• Autofocus, metering, and shooting modes remain fully operational.

Expanded Creative Perspective

The approximately 31mm equivalent field of view provides a wider and more natural perspective that is ideal for travel, street, documentary, environmental portrait, and lifestyle photography. It allows photographers to include more context within the frame while maintaining the intuitive shooting experience of the GR IIIx.

Precision Adapter Design

The included NiSi 49 mm Filter Adapter MKII replaces the Ricoh GN-2 ring adapter and provides a stable threaded mounting point for the wide conversion lens. Precision machining ensures a secure, gap-free fit that feels fully integrated with the camera body.

Creative Filter Flexibility

When the wide conversion lens is removed, the adapter retains a standard 49 mm filter thread for attaching ND, CPL, UV, Black Mist, and other specialty filters. This allows users to quickly switch between a wider shooting perspective and creative filter-based setups.

Advanced Optical Coatings

NiSi’s multi-layer anti-reflective nano coating minimizes flare, ghosting, and internal reflections when shooting in difficult lighting conditions such as direct sunlight, night scenes, or high-contrast urban environments. This helps preserve contrast, clarity, and accurate color reproduction.

Built for Everyday Use

Constructed from lightweight aluminum alloy, both the adapter and conversion lens are designed for reliable daily use and travel. Included metal front and rear caps provide additional protection during storage and transport while complementing the premium finish of the GR IIIx system.