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NiSi Wide Conversion Lens for Ricoh GR Series (GR III, GR IIIx, GRIV)

NiSi Wide Conversion Lens for Ricoh GR Series (GR III, GR IIIx, GRIV) - Main image
NiSi Wide Conversion Lens for Ricoh GR Series (GR III, GR IIIx, GRIV) - View 2NiSi Wide Conversion Lens for Ricoh GR Series (GR III, GR IIIx, GRIV) - View 3NiSi Wide Conversion Lens for Ricoh GR Series (GR III, GR IIIx, GRIV) - View 4NiSi Wide Conversion Lens for Ricoh GR Series (GR III, GR IIIx, GRIV) - View 5NiSi Wide Conversion Lens for Ricoh GR Series (GR III, GR IIIx, GRIV) - View 6
$55.3 $79 In stock
  • 0.78x Wide Conversion – Widens the field of view to deliver a 21mm equivalent focal length on GR III and GR IV, and a 31mm equivalent on GR IIIx, expanding creative framing possibilities for street, landscape, and architectural photography.
  • Compatible with All GR Series Cameras – Designed to work with the Ricoh GR III, GR IIIx, and GR IV when paired with the appropriate NiSi 49mm Filter Adapter for each model (sold separately).
  • Macro Mode Compatible – Works seamlessly with the GR series Macro Mode, allowing close-up shooting without needing to remove the conversion lens.
  • Anti-Reflective Nano Coating – Advanced multi-layer nano coating minimizes internal reflections, preventing flare and ghosting for cleaner, higher-contrast images in challenging light.
  • Aluminum Alloy Frame – Precision-machined from durable aluminum alloy for a lightweight yet rock-solid build that withstands daily use and travel.
  • Front and Rear Metal Caps Included – Both front and rear lens caps are crafted from metal, providing reliable scratch protection and a premium feel when not in use.
  • Retains Full Camera Functionality – Does not interfere with autofocus, metering, or any camera functions, ensuring a seamless shooting experience with no compromises.
  • 49mm Filter Adapter Required – To mount the NiSi Wide Conversion Lens (PR-10) to your camera, a compatible NiSi 49mm Filter Adapter is required. You will need to purchase the specific adapter made for your Ricoh GR model (GR III, GR IIIx, or GR IV) if you do not already own one.
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Customer Reviews (4.6 / 5 · 5 reviews)

Thomas S. ★★★★★

Slapped this on my GR III before a weekend trip, and the 21mm equivalent made tight alleyways feel wide open. The lens attaches smoothly and doesn't mess with the camera's handling at all. Definitely keeping it on for street photography now.

Miles F. ★★★★★

I was skeptical about clipping anything onto my GR III, but this lens locks on securely and the 21mm equivalent makes indoor shots feel way less cramped. It's become my default for street work when I need a wider sweep.

Kevin L. ★★★★★

Took this on a cramped alley shoot and suddenly I could fit both walls of the street into one frame. The 0.78x factor gives me that 21mm look on my GR III without swapping to a whole different camera. Corner sharpness holds up better than I feared.