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IBIS not working with new Samyang AF 12mm?

Started Jan 14, 2022 | Discussions thread
OrigamiCactus Contributing Member • Posts: 667
Re: IBIS not working with new Samyang AF 12mm?

Noracsa wrote:

Hello everyone!

I've just bought the new Samyang AF 12mm 2.0 lens for my Fuji X-S10 camera. I've been using the MF version of that lens for quite some time.

Entering the focal lenght in the mount adaptor settings, I have been able to use the IBIS with the old MF lens. Thereby I could easily hand-hold shutter speeds of 1/2s and often even 1s, with images generally being tack sharp.

Now with the new one, which automatically transmits its focal length of 12mm to the camera (checked the EXIF), IBIS doesn't seem to work, even though it's correctly turned on. I've tried both IS Modes: 1 and 2.

I have no chance of getting good sharpness with shutter speeds of 1/2s. Even with 1/8s oder 1/15s the rate of blurry images is quite high. Turning IS off confirms this, as there is now difference in image sharpness between IS mode "off" and "1" or "2".

Has anyone else had these problems? Is there a general problem of Fuji bodies not using IS with electronically connected third party lenses?

It seems odd, as the correct focal length is clearly transmitted, but the X-S10 just refuses to use the IS. Firmware is the newest v2.10 btw.

Thanks!

Stabilization worked fune with viltrox lenses for me, maybe samyang hasnt figured their stuff out yet. Have you found any firmware updates to the lens.

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