/Third Party Lenses

Third Party Lenses

Tamron to Announce 150-600mm f/5-6.3 Di VC USD G2

By Canon Rumors | August 31, 2016

It’s being reported that Tamron will be announcing an SP 150-600mm f/5-6.3 Di VC USD G2 ahead of Photokina. The lens will be compatible with Canon & Nikon mounts, as well as a non-VC version for Sony. We’re not sure if this would be an update to the current version or an addition to the Tamron Read more…

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Sigma to Update Select Lens’ Firmwares for Improved AF in October

By Canon Rumors | August 30, 2016

From Sigma (via TDP): Thank you for purchasing and using our products. We would like to inform you of the lens firmware updates which incorporate a new algorithm to improve AF performance even further. Although we announced on April 14th, 2016 that release of the firmware updates is planned around June to August, the development Read more…

Patent: Tamron 115mm f/1.4 VC

By Canon Rumors | August 23, 2016

It seems to be a never-ending parade of optical formula patents from Tamron, this time it’s a 115mm f/1.4 VC. This is another fast and unique lens concept from Tamron. Patent Publication No. 2016-151661 (Google Translated) Published 2016.8.22 Filing date 2015.2.17 f = 113.000 Fno = 1.456 ω = 10.632 Tamron patent Positive and negative Read more…

Patent: Tamron 10-24 f/3.5-4.5 VC

By Canon Rumors | July 30, 2016

The optical  formula patents keep on coming from Tamron ahead of multiple Photokina announcements next month. This time it’s a 10-24mm f/3.5-4.5 for APS-C sized sensors. Patent Publication No. 2016-126280 Published 2016.7.11 Filing date 2015.1.8 f 10.303 15.199 23.483 FNO = 3.6 -. 4.1 – 4.6 2ω = 111.70 – 86.59 – 62.07 Negative positive Read more…

Patent: Tamron 20mm f/2 VC

By Canon Rumors | July 27, 2016

Tamron continues with the barrage of patents, this time a patent for a 20mm f/2 VC optical formula has been found. Patent Publication No. 2016-126279 (Google Translated) Published 2016.7.11 Filing date 2015.1.8 f = 20.60 FNo. = 2.05 ω = 46.81 Ym = 21.633 BF 38.2971 – 38.3188 Negative ShiboTadashi Rear focus Bofu (part of Read more…

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