Sigma patent shows off image-stabilized 400mm f/2.8 super-telephoto lens



A recently published patent from Sigma details the optical formula for an image-stabilized 400mm f/2.8 super-telephoto lens.

The patent, which was discovered by Egami and originally filed back in September of 2013, shows off a five-group lens design featuring Sigma’s Optical Stabilizer technology. It’s expected this lens will be a part of Sigma’s ‘Sport’ lineup, alongside its ‘Contemporary’ and ‘Art’ lens categories.

The performance of the lens is teased in the above graphic, but it doesn’t give…

(read more)

via Imaging Resource News Page


About paulomealha

IT professional, father, husband, Apple evangelist, motorbike fanatic, traveller and adventurer.
This entry was posted in Uncategorized. Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )


Connecting to %s