Ricoh GR IIIx accessories

Three things decide almost every accessory question on a GR, and all three changed across the range:

• Lens adapter: Lens Adapter GA-2 — carries 49mm filters
• Battery: DB-110
• Card: Full-size SD / SDHC / SDXC card

Lens adapter

• Lens Adapter GA-2officialconfirmed fit
  • Ricoh states plainly: "GA-2 cannot be used on the GR III."
  • Required to mount the GT-2 tele conversion lens on the GR IIIx.

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Filters

• Any 49mm screw-in filter (ND, UV, CPL, black mist)confirmed fit
  • Every GR back to the GR II takes ordinary 49mm filters — but only through the adapter, and the adapter is model-specific. Get the adapter right and any 49mm filter works.
  • Adhesive stick-on filters are widely reported to pull the front lens panel off when removed. Owners have needed the panel reattached.
  • The GR IV and GR IIIx HDF have a built-in highlight diffusion filter; adding a mist filter on top is usually redundant.

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Battery

• Rechargeable Li-ion Battery DB-110officialconfirmed fit
  • Does not fit the GR IV or GR IVx, which use the DB-120.
  • Third-party cells are common and cheap; several owners report swelling and early failure with off-brand batteries.

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Charger

• Battery Charger BJ-11official
  • Charges the DB-110 over USB. The camera also charges in-body over USB-C.

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Memory card

• Full-size SD / SDHC / SDXC card (UHS-I)confirmed fit
  • The GR III and GR IIIx take full-size SD. The GR IV and GR IVx take microSD — your cards do not carry over.
  • Both are UHS-I. A faster card gains nothing.
  • Internal memory is about 2GB, so you need a card.

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Conversion lens

• Tele Conversion Lens GT-2officialconfirmed fit
  • Roughly 75mm equivalent. Requires the GA-2 adapter, which is GR IIIx only.

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Viewfinder

• External Viewfinder GV-1official
  • Optical, about 90% coverage, with 21mm and 28mm frame lines — so it suits the 28mm bodies, not the 40mm GR IIIx.
  • A conversion lens or hood intrudes into the view.
• External Mini Viewfinder GV-2official
  • About 85% coverage with a 28mm frame line and a 1:1 marking. Suits 28mm bodies.
• External Mini Viewfinder GV-3official
  • About 85% coverage with a 40mm frame line — the one that matches the GR IIIx.
  • Listed on the shared GR III/GR IIIx accessory page; the 40mm frame is only useful on a 40mm body.

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Flash

• External Flash GF-2official
  • Guide number 3 (ISO 100, m) — small, for fill rather than power.
  • On the GR III and GR IIIx a firmware update is required before the GF-2 will work.
  • Built-in battery, charged over USB-C.

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Case

• Soft Case GC-11official
  • Leather, top cover with magnet closure, belt loop. Listed for both generations.
• Soft Case GC-12official
  • Soft leather pouch that folds flat when not in use. Listed for both generations.

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Strap

• Hand Strap GS-2official
  • Single-point leather hand strap.
• Neck Strap GS-3official
  • Two-point leather neck strap.

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Thumb grip

• Thumb grip (third-party only)
  • Ricoh does not make one. Every option is third-party and slots into the hot shoe.
  • It occupies the hot shoe, so you cannot use a thumb grip and the GF-2 flash at the same time.
  • Grips are cut for a specific body. A GR III grip does not necessarily sit flush on a GR IV.

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Lens hood

• Lens hood (third-party only)
  • Ricoh lists no standalone hood; the one it does supply comes bundled with the GW-4 conversion lens.
  • Third-party hoods mount on the lens adapter, so you need the correct adapter for your body first.
  • A hood intrudes into the view of the GV-1 and GV-2 optical finders.
  • A hood makes the camera no longer pocketable, which is most of the point of a GR.

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Screen protector

• Screen protector (third-party only)
  • No official Ricoh option exists.
  • All current GR bodies use a 3.0-inch touchscreen, but cutouts and edge radius differ — buy one cut for your exact model.
  • The screen is touch-sensitive; a thick protector can degrade touch response.

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Do not buy these for a Ricoh GR IIIx

These are official Ricoh parts that fit a different GR. The naming is close enough that this is the most common way to waste money on this camera.

• Battery Charger BJ-12 — fits Ricoh GR IV.
• Battery Charger BJ-6 — fits Ricoh GR II.
• Rechargeable Li-ion Battery DB-120 — fits Ricoh GR IV, Ricoh GR IVx.
• Rechargeable Battery DB-65 — fits Ricoh GR II.
• Lens Adapter GA-1 — fits Ricoh GR III.
• Lens Adapter GA-3 — fits Ricoh GR IV.
• Hood and Adapter GH-3 — fits Ricoh GR II.
• Wide Conversion Lens GW-3 — fits Ricoh GR II.
• Wide Conversion Lens GW-4 — fits Ricoh GR III, Ricoh GR IV.

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