/Third Party Lenses

Third Party Lenses

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…

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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…

Venus Optics to Announce Laowa 12mm f/2.8 Lens on July 30

By Canon Rumors | July 24, 2016

Venus Optics will be announcing the Laowa 12mm f/2.8 “distortion free” lens on July 30 via Kickstarter. They’re claiming this to be the worlds widest f/2.8 lens. Keith over at Northlight Images has had the pleasure of using the lens and had this to say about it. Very nice for a fully manual lens – Read more…

Patent: Tamron 70-200mm f/4 VC

By Canon Rumors | July 22, 2016

It looks like Tamron is going to be busy at Photokina this year with lens announcements. We now see a 70-200mm f/4 VC patent, a lens that is likely to come to market. Patent Publication No. 2016-126278 (Google Translated) Published 2016.7.11 Filing date 2015.1.8 Focal length 71.8092 109.9915 205.9615 F-number 4.0989 4.1033 4.1023 Half angle Read more…

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