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Kase 85mm F1.4 Nikon Z-Mount Firmware Update Package

Release Date: June 17, 2025

Main Improvements (Firmware Version Dated August 4, 2025):

  1. Resolved an issue affecting aperture light transmission.

  2. Fixed several known stability bugs and optimized performance.

How to Update:

  1. Download the latest firmware file using the link below.

  2. Connect your Kase 85mm F1.4 lens to your computer via a USB data cable.

  3. When the device folder appears, drag and drop the firmware file into it.

  4. Wait for the transfer to complete — the update will install automatically.

👉 Click here to download the firmware update

Kase 85mm F1.4 Sony E-Mount Firmware Update Package

Release Date: June 13, 2025

Main Improvements (Firmware Version Dated July 15, 2025):

  1. Optimized lens autofocus performance.

  2. Fixed known issues for improved stability.

  3. Enhanced aperture value handling for more precise control.

Update Instructions:

  1. Connect your Kase 85mm F1.4 lens to your computer using a USB data cable.

  2. When the device folder appears, drag and drop the firmware file into it.

  3. The update will install automatically. Wait for the process to complete before disconnecting.

👉 Click here to download the firmware update