Sony FE55.8 vs Sigma 50.4 Art Aperture Noise Comparision

Sony FE55.8 vs Sigma 50.4 Art Aperture Noise Comparison.

Tested on Sony a7R II.

[JonniArmani]

From Sony

“Thank you for contacting Sony Digital Imaging Support Team.

We received your inquiry regarding the lens and appreciate the opportunity to assist you. It is not normal for the lens make a clicking sound when the aperture is being adjusted. We recommend sending the unit to Sony's preferred authorized repair center for evaluation and to get it fixed.

I have provided a link below where you can initiate repair for your lens. If your product is In-warranty, please include a copy of your purchase receipt when you mail the lens for warranty validation.