You can now preorder this new 250mm f/5.6 Full Frame manual focus Reflex lens at Amazon US&EU and TTartisan store. This is a M42 mount lens so you need an adapter ot use it on your camera. Here is the review from Richard Wong:

Three more videos from Sean about the new Lumix S9.

Lumix S9: Amazon, BHphoto, Adorama, BestBuy, Panasonic US, FotoErhardt, FotoKoch, Calumet, WexUK, Panasonic UK.

For a limited time (three days) you get a ton of deals on Lumix gear and accessories at Fotokoch (Click here to see all deals).

Press text:

Thank you for using SIGMA products.
We would like to announce that a firmware update for the SIGMA 18-50mm F2.8 DC DN | Contemporary in L-Mount is now available for download.
【Applicable product】

SIGMA 18-50mm F2.8 DC DN | Contemporary Ver.1.2 in L-Mount
【Benefit of the update】

・The operational stability has been improved.
【How to update】

Please click the “L-Mount” tab in the firmware download page below and read “Before updating” prior to updating the firmware.
https://www.sigma-global.com/en/support/firmware/c021_18_50_28/?mount=l-mount

For the next 20 dazes you save 20% on all DxO software!

It’s our 20th anniversary! 20% off everything for the next 20 days!
Dear photographer,

20 years ago in June, something remarkable happened: DxO Optics Pro version 1 was born. This was the predecessor of today’s DxO PhotoLab, built to give passionate photographers a completely new level of image quality.

Driven by a love for photography, our innovations have kept coming: image processing chips for smartphones, the DxOMark website (a global reference for image quality evaluation), the DxO ONE (a wonderful little connected camera), the revival of the Nik Collection, the creation of groundbreaking noise reduction technology, not to mention our range of unique software full of advanced features, and much more.

Discover the full story here.

To celebrate our 20th anniversary, we are delighted to give you 20% off all of our products for the next 20 days!