Firmware Upgrade

This page allows you to update the firmware based on your product model.
Please watch the tutorial video for assistance.

Lenses

85mm F1.8

	85mm F1.8 E mount Download	85mm F1.8 Z mount Download	85mm F1.8 X mount Download	85mm F1.8 EF mount Download	85mm F1.8 F mount Download
Version	V2.7	V1.10	V1.02	V2.34	V1.0
Release Date	2023.8.23	2023.5.30	2023.5.30	2024.4.1	2024.2.22
Improvements	Optimize reset bug			Fix known bugs.

85mm F1.8 Pro

	85mm F1.8 Pro E mount Download	85mm F1.8 Pro Z mount Download	85mm F1.8 Pro X mount Download	85mm F1.8 Pro L Download
Version	VER.27	VER1.10	VER1.10	VER2.9
Release Date	2025.8.20	2024.12.9	2025.8.20	2025.9.11
Improvements				Added compatibility with additional cameras

85mm F1.4

	85mm F1.4 Z mount Download	85mm F1.4 E mount Download	85mm F1.4 L Download
Version	VER1.47	APPv39	VER.3.6
Release Date	2025.11.4	2025.8.20	2025.11.4
Improvements	Resolved known issues	Optimize aperture parameters.	Resolved known issues

55mm F1.8

	55mm F1.8 E mount Download	55mm F1.8 Z mount Download	55mm F1.8 X mount Download	55mm F1.8 L Download
Version	VER.34	VER1.1	VER1.06	VER3.2
Release Date	2025.9.11	2024.12.29	2025.9.11	2025.9.11
Improvements		linear and nonlinear focus.

55mm F1.4

	55mm F1.4 E mount Download	55mm F1.4 X mount Download	55mm F1.4 Z mount Download
Version	APPv15.uda	VER1.18	VER1.14
Release Date	2025.4.28	2025.4.28	2025.4.28
Improvements	Optimized image information and focus ring rotation.	Optimized image information and focus ring rotation direction.	Optimized image information and focus ring rotation direction.

50mm F1.8

	50mm F1.8 E mount Download	50mm F1.8 Z mount Download	50mm F1.8 L Download
Version	V16	V1.13	VER3.2
Release Date	2024.2.3	2024.2.19	2025.7.7
Improvements	Optimize the AF-C continuous focusing problem）	Fixed the Z8 camera not being able to press the shutter in some Settings.

33mm F1.4

	33mm F1.4 X mount Download	33mm F1.4 E mount Download	33mm F1.4 Z mount Download
Version	VER1.18	VER06	VER1.11
Release Date	2025.4.28	2025.5.5	2025.4.28
Improvements	Optimized image information and focus ring rotation direction.	Optimized image information and focus ring rotation.	Optimized image information, manual focusing.

35mm F2

	35mm F2.0 E mount Download	35mm F2.0 Z mount Download	35mm F2.0 L Download
Version	VER.11	VER1.08	VER2.0
Release Date	2025.8.20	2025.8.20	2025.9.11
Improvements			Added compatibility with additional cameras

35mm F1.8

	35mm F1.8 E mount Download	35mm F1.8 Z mount Download	35mm F1.8 L Download
Version	VER.15	VER.1.06	VER1.9
Release Date	2025.11.4	2025.8.20	2025.8.20
Improvements	Resolved known issues

24mm F1.4

	24mm F1.4 E mount Download	24mm F1.4 Z mount Download
Version		VER1.08
Release Date		2025.8.30
Improvements

Adapters