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What should I do when my D3400 aperture is stuck no matter what lens I use?

Photography Asked by Elvis Ma on December 9, 2020

I have a D3400 and recently I haven’t been able to change the aperture on any of my lenses in manual mode. I have lenses with aperture rings and if I set the aperture to anything below the largest aperture such as f/16 and put it on the camera, the aperture opens back up to f/1.4 by itself.

RThis problem just started. Every lens that I use is unable to change aperture. If I mount the lens, the aperture is forced wide open, even if it’s set to f/16 on the lens. And once I remove the lens, the lens closes back to f/16.

One Answer

According to Ken, aperture ring compatibility was "missing" on the D3400, while the D3300 (and earlier) had some support for lenses with aperture rings.

I've used a D3200 with lenses with an aperture ring, but unless the aperture is set to the smallest (largest number), the camera gives an error message - and this only applies to lenses with at least partial support of automatic aperture. (In this case the lens will be wide open until the shutter is released or the preview button pressed.)

It sounds like this might no longer be the case on the D3400. The answer here might also be useful,

Answered by ItWasLikeThatWhenIGotHere on December 9, 2020

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