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Fringer EF-FX smart adapters' AF performance improved again (Firmware V1.30)

We found a new way to improve EF lenses' phase detection AF accuracy on X mount cameras. Integrated in the new firmware (v1.30), the following lenses has been re-optimized according to the new method.

  1. EF 35/1.4L II
  2. EF 85/1.4L IS
  3. EF 100/2.8L IS
  4. EF 135/2L
  5. EF 16-35/2.8L II
  6. EF-S 55-250/4-5.6 STM
  7. Sigma 18-35/1.8 ART
  8. Sigma 50-100/1.8 ART

The new firmware is the most important upgrade since the adapter being released and is recommended for all Fringer EF-FX Pro adapter users. The newly introduced lens data will let all the phase detection AF points, e.g. the green ones on a X-T2 as shown below, locking on targets not only fast but also more accurately. And that's the key for AF performance of AF-C and video recording, too. Other lenses may also be re-optimized in the future if necessary.

Meanwhile, the new firmware (v1.30) has following improvements.

  • Bug fixed: some Sigma 18-35/1.8 art lenses can’t be identified (max aperture displayed as F2.8 and PDAF doesn’t work)
  • Added Tamron 18-400/3.5-6.3 Di II VC HLD (B028) to the tested and optimized lens list.

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

We are very sorry that Fringer EF-FX Pro adapter has been out stock for a period of time due to high demand. The next batch is expected to be ready for sale on late March or early April. For users who left messages to me through my website, I'll send you notification email when the stock status being back to normal.

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