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New firmware (v1.40) for EF-FX. Fringer EF-FX Pro is open for pre-order.

New firmware (v1.40) is available for Fringer EF-FX adapter products.

Before v1.30, the IS function of the lens is always activated as long as the IS switch on the lens is turned on. That may cause power consumption problems. Meanwhile, powering off the camera while IS switch is on may make some noises because the IS module is not shut down properly. Now we changed the IS control logic. The IS will not be activated until the shutter release button is half-pressed. And it will be disabled automatically about 2 seconds after the button's release. That's similar to that of Canon cameras. Both issues of power consumption and IS module powering off have been solved.

Meanwhile, 6 new lenses have been tested and optimized for all the PDAF points of X-Trans II and X-Trans III cameras, including

  • Sigma 150-600/5-6.3 OS Contemporary 
  • EF 70-300 IS II 
  • EF-S 18-135 STM 
  • EF 16-35/2.8L III 
  • EF 16-35/4L IS 
  • EF 24-70/4L IS 

Sigma 150-600 is a big tele lens. Now we can use PDAF when adapting it to X mount. Whatever AF-S,
AF-C, video mode, etc., are all working. Watch the following demo video.

We also re-optimized EF 70-200/4L IS for better PDAF accuracy.

You may download the new firmware and release notes from here.

After long time waiting, the Fringer EF-FX Pro will be available soon! Now it's open for pre-orders. This time we have prepared much more items. However, since there are a lot of friends asking for it, you'd better take actions sooner. Or you may encounter an empty stock again in short time. Visit my web store to place your order. We will begin to ship them from April 1. Thank you.

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