Advisories Sigma

Sigma Advisory: Some Pentax Mount SIGMA Interchangeable Lenses When Attached to Pentax K-1 Camera Can Scratch the Upper Part of the Mount

Sigma recently informed us 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.

Pentax K-1 with full-frame sensor

Pentax K-1 with full-frame sensor


May 23, 2016

News update for Pentax K-1 Users with Pentax mount SIGMA lenses

Thank you for purchasing and using our products.

We would like to inform you of our policy on the repair service that we announced on May 11th, regarding the use of Pentax mount SIGMA interchangeable lenses when attached to the “Pentax K-1”.

For customers using our interchangeable lenses with aforementioned camera body, we apologize for the inconvenience.

Please find the following details for the phenomenon and products;

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.

Current Line-Up

  • SIGMA 30mm F1.4 DC HSM| Art
  • SIGMA 35mm F1.4 DG HSM| Art
  • SIGMA APO 50-500mm F4.5-6.3 DG OS HSM

Discontinued Lenses

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

* it is applicable to the models without OS function, too.

For details of this repair service, please contact your nearest authorized subsidiary/distributor of Sigma.

【In case of scratch on the PENTAX K-1 camera body】
In case your PENTAX K-1 camera body has got a scratch from attaching aforementioned lenses,
we are planning to repair the damaged part of camera body, too.

The detail of repair will be announced later, and we would probably ask customers to send the camera body and lens to us.

* Once we receive the camera body, we would ask RICOH IMAGING or its authorized repair stores to repair it.

We will inform the lead time for repair, and return the body and lens as quick as possible.

We appreciate your continued support for our company and products.

There are parts now available to rectify the issue. Please contact our service department in New York at 631-227-2036 with any questions.

The following video presents PENTAX K-1 – Full Frame, Excellence Redefined:

Ricoh have developed their first Full Frame DSLR – the PENTAX K-1.
Featuring a 35mm Full Frame 36.4 Megapixel CMOS sensor with weather resistant magnesium alloy body and SRII built-in shake reduction. Also includes Pixel Shift Resolution with Motion Correction with Wi-Fi and GPS built in.

You can buy the Penatax K-1 at B&H (prices are in USD):