Canon, Nikon, Olympus and Sigma have released firmware updates, for the EOS 650D / Rebel T4i, 1 System cameras, Stylus XZ-2 and DP Merrill-series APS-C compacts repectively. The EOS 650D gains several bug fixes, mainly related to the use of STM lenses. Nikon's 1 System cameras have been updated to add support for the new 32mm F1.2 lens and continuous AF with the Nikon mount adapter FT1 and AF-S lenses, among other refinements. The Olympus Stylus XZ-2 has been updated for support with the new VF-4 electronic finder, and Sigma's DP Merrill-series benefit from several performance and stability improvements. Click through for details.

Canon EOS 650D / Rebel T4i Firmware 1.04

Firmware Version 1.0.4 incorporates the following fixes:

1. Fixes the following phenomena which may occur when the camera is used in combination with certain lens models equipped with a stepping motor.

  • Affected lenses: EF-S 18-135mm f/3.5-5.6 IS STM / EF-S 18-55mm f/3.5-5.6 IS STM
  • The camera may freeze in rare instances if you try to shoot with a lens cap attached or meter a subject in low contrast in Live View (or Movie) shooting.
  • Fine focus adjustment may not be possible in Remote Live View on the EOS Utility software.

2. Fixes a phenomenon in which some SD card products are not recognized by the camera.

3. Corrects some misspellings displayed on the menu screen. 

Nikon 1 Firmware A:1:30/B:1.30 for 1 J1 and 1 V1

  • Support for AF-C (Continuous AF) focus mode when the Mount Adapter FT1 is used with AF-S lenses has been added. To use this function, the Mount Adapter FT1 firmware must be version 1.10, which supports this function.
  • Support for the 1 NIKKOR 32mm f/1.2, equipped with a focusing ring, has been added.
  • The following changes to playback zoom for images captured in MF (manual focus) focus mode have been applied.
    • 1× magnification has been added.
    • The amount of time allowed to pass before normal display is restored when no operations are performed after playback zoom is applied has been reduced.
  • When shooting in Electronic (Hi) release mode at 10 fps using the Mount Adapter FT1, the shutter speed displayed with a half press of the shutter-release button and that displayed when the shutter-release button was fully pressed differed. This issue has been resolved.

Nikon 1 Firmware A:1:10/B:1:10 for 1 J2, 1 J3, 1 V2 and 1 S1

  • Support for AF-C (Continuous AF) focus mode when the Mount Adapter FT1 is used with AF-S lenses has been added. To use this function, the Mount Adapter FT1 firmware must be version 1.10, which supports this function.
  • Support for the 1 NIKKOR 32mm f/1.2, equipped with a focusing ring, has been added.
  • The following changes to playback zoom for images captured in MF (manual focus) focus mode have been applied.
    • 1× magnification has been added.
    • The amount of time allowed to pass before normal display is restored when no operations are performed after playback zoom is applied has been reduced.

Olympus Stylus XZ-2 Firmware 1.2

  • Adds support for VF-4 electronic viewfinder (Automatic display switching by the eye sensor is not supported.)
  • Inage processing while shooting with ISO bracketing has been adjusted

Olympus Pen E-PL5 and E-PM2

  • Improved stability of touch panel operation during playback
  • Support for new VF-4 electronic viewfinder (automatic display switching by the VF-4 eye sensor is not supported)

Olympus OM-D E-M5, PEN E-P2, E-P3, E-PL1, E-PL2, E-PL3, E-PM1 and XZ-2

  • Support for new VF-4 electronic viewfinder (Automatic display switching by the VF-4 eye sensor is not supported)

Sigma DP1 Merril, DP2 Merrill and DP3 Merrill, Firmware 1.04, 1.05 and 1.02

  • Improves the stability of operation.
  • Improves the precision of bounce flash shooting when ELECTRONIC FLASH EF-610 DG SUPER SA-STTL and ELECTRONIC FLASH EF-610 DG ST SA-STTL are used.
  • When you enlarge an image, it used to enlarge the center of the image. However, the new firmware magnifies the image depending on the focusing position.
  • It is possible to select the file name of the image either from “SDIM” or “DP1M”.
  • It has integrated the color tones of Custom White Balance (Sunlight, Shade, Overcast, Incandescent, Fluorescent, Flash) among the DP Merrill series.
  • Corrects the phenomenon that the AEL setting goes back to default if the AEL button is set for "Central AEL + AEL", and alternate MF to AF or vice versa, while it is still displaying the operation icon.
  • Corrects the phenomenon that self-timer shooting whilst using P Mode would cancel the program shift for the customized shutter speed and aperture settings if you press the release button.
  • Properly displays the image according to the selected magnification percentage.
  • Corrects the phenomenon that the selected exposure is not appropriately applied when an external flashgun is used with Custom Mode.
  • Corrects the phenomenon that, in rare cases, images are not recorded properly when the battery level is low.
  • Corrects the rare phenomenon that the recording process does not go perfectly when the camera is turned off right after taking the image.
  • It displays the size of the file when you select an image and open the Image Info Screen.