Some Sigma lenses could leave scratch on the Pentax K-1 camera body

Pentax-K-1-sensor
This just in from Sigma – some Sigma lenses could leave a small scratch on the Pentax K-1 camera body:

Use of Pentax mount SIGMA interchangeable lenses when attached to the Pentax K-1

We have found that some SIGMA interchangeable lenses for Pentax mount could leave a small scratch on part of the camera body when they are attached to the PENTAX K-1, released by RICOH IMAGING COMPANY, LTD. on April 28th, 2016. In this circumstance, please do not use the following lenses for Pentax mount on the PENTAX K-1.
We are planning to provide a repair service for this issue. We will make a further announcement on our website when specific details, such as the service period, are finalized.
In addition, please also refer to the usage notice related to this announcement below.

Phenomenon
When some SIGMA interchangeable lenses for Pentax mount are attached to the PENTAX K-1, the upper part of the mount can be scratched.
※This phenomenon is due to the interference with the shape of the upper part of the mount on the PENTAX K-1 camera body and it does not occur to any cameras other than PENTAX K-1.

Applicable products
Current Line-Up
30mm F1.4 DC HSM| Art
35mm F1.4 DG HSM| Art
APO 50-500mm F4.5-6.3 DG OS HSM

Discontinued Lenses
50mm F1.4 EX DG HSM
85mm F1.4 EX DG HSM
24-70mm F2.8 IF EX DG HSM
APO 70-200mm F2.8 EX DG OS HSM
APO 70-200mm F2.8 II EX DG MACRO HSM
APO 50-150mm F2.8 II EX DC HSM
APO 120-400mm F4.5-5.6 DG OS HSM
APO 150-500mm F5-6.3 DG OS HSM

Usage Notice for customers who are using Pentax mount SIGMA lenses on a PENTAX K-1
In some cases, depending on the lenses to be attached on the camera, the angle-of-view cannot be recognized automatically. Please select an angle-of-view that is appropriate for the lenses to be attached from “Crop” in the camera’s menu.

When DG lenses are attached, please select “FF”.
When DC lenses are attached, please select “APS-C”.

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