The Ricoh GA-1 Lens Adapter is required to use the separately available Ricoh GW-4 Wide Conversion Lens (#30248). Both are accessories made specifically for use with the Ricoh GR ? Premium Compact Digital Camera. The lens adapter attaches the GW-4 to the GR III's built-in lens.
49mm filters can be attached to the Lens Adapter GA-1.
|Compatibility||RICOH GR ? Digital Camera|
RICOH GW-4 Wide Conversion Lens
Ricoh GA-1 Lens Adaptor for GR III