Open Source Software (OSS)
Information concerning OSS used in cameras is provided on this page.
This product includes software based on the GNU General Public License (GPL), GNU Lesser General Public License (LGPL), and other licenses. We disclose the source code of the OSS used on the following models in accordance with the license conditions such as GPL and LGPL. Please refer to the procedure described in the Operating Manual for each OSS license.
RICOH GR IV / GR IV HDF
| Date | Version | Downloads |
|---|---|---|
February 13, 2026 |
1.11 |
|
January 16, 2026 |
GR IV HDF (1.10) |
|
November 28, 2025 |
1.04 |
|
October 29, 2025 |
1.03 |
|
September 16, 2025 |
1.02 |
|
September 12, 2025 |
1.01 |
RICOH GR IV Monochrome
| Date | Version | Downloads |
|---|---|---|
February 13, 2026 |
1.00 |
RICOH GR III / GR III HDF
| Date | Version | Downloads |
|---|---|---|
October 23, 2025 |
2.10 |
|
July 15, 2025 |
2.00 |
|
February 20, 2025 |
1.92 |
|
April 12, 2024 |
1.91 |
|
August 23, 2023 |
1.81 |
|
July 26, 2023 |
1.80 |
|
February 17, 2023 |
1.71 |
|
January 20, 2023 |
1.70 |
|
August 4, 2022 |
1.61 |
|
April 5, 2022 |
1.60 |
|
October 1, 2021 |
1.50 |
|
July 30, 2020 |
1.41 |
|
July 17, 2020 |
1.40 |
|
February 6, 2020 |
1.31 |
|
October 10, 2019 |
1.30 |
|
July 04, 2019 |
1.20 |
|
May 28, 2019 |
1.11 |
|
April 23, 2019 |
1.10 |
|
March 14, 2019 |
1.00 |
RICOH GR IIIx / GR IIIx HDF
| Date | Version | Downloads |
|---|---|---|
October 23, 2025 |
1.60 |
|
July 15, 2025 |
1.50 |
|
February 20, 2025 |
1.42 |
|
April 12, 2024 |
1.41 |
|
August 23, 2023 |
1.31 |
|
July 26, 2023 |
1.30 |
|
February 17, 2023 |
1.21 |
|
January 20, 2023 |
1.20 |
|
August 4, 2022 |
1.11 |
|
April 5, 2022 |
1.10 |
|
November 26, 2021 |
1.02 |
|
October 29, 2021 |
1.01 |
|
September 17, 2021 |
1.00 |
RICOH G900SE II
RICOH G900SE
| Date | Version | Downloads |
|---|---|---|
July 6, 2023 |
1.06 |
|
August 19, 2021 |
1.05 |
|
May 20, 2021 |
1.04 |
|
October 29, 2020 |
1.03 |
|
June 30, 2020 |
1.02 |
|
November 27, 2019 |
1.01 |
|
September 13, 2019 |
1.00 |
PENTAX K-3 Mark III
| Date | Version | Downloads |
|---|---|---|
October 30, 2024 |
2.20 |
|
March 14, 2024 |
2.13 |
|
December 7, 2023 |
2.12 |
|
November 1, 2023 |
2.11 |
|
September 7, 2023 |
2.10 |
|
August 1, 2023 |
2.01 |
|
June 8, 2023 |
2.00 |
|
March 9, 2023 |
1.80 |
|
December 1, 2022 |
1.70 |
|
October 18, 2022 |
1.60 |
|
November 10, 2023 |
1.53 |
|
August 1, 2023 |
1.52 |
|
August 1, 2023 |
1.51 |
|
June 23, 2022 |
1.50 |
|
March 3, 2022 |
1.41 |
|
December 7, 2021 |
1.40 |
|
December 7, 2021 |
1.31 |
|
October 26, 2021 |
1.21 |
|
September 28, 2021 |
1.20 |
|
July 20, 2021 |
1.10 |
|
June 7, 2021 |
1.02 |
|
April 28, 2021 |
1.01 |
|
April 23, 2021 |
1.00 |
PENTAX K-3 Mark III Monochrome
| Date | Version | Downloads |
|---|---|---|
October 30, 2024 |
2.20 |
|
March 14, 2024 |
2.13 |
|
December 7, 2023 |
2.12 |
|
November 1, 2023 |
2.11 |
|
September 7, 2023 |
2.10 |
|
August 1, 2023 |
2.01 |
|
June 8, 2023 |
2.00 |
|
April 28, 2023 |
1.00 |
zjc_ricoh-imaging@jp.ricoh.com