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Canon Rumors /Rumors
Patent: Tamron 85mm f/1.8 VC

Patent: Tamron 85mm f/1.8 VC

By Canon Rumors | May 27, 2015 | Third Party Lenses

A patent for a Tamron 85mm f/1.8 VC has appeared. Is Tamron following Sigma and getting into the quality prime market, but with Vibration Correction (Image Stabilization)?

Canon’s 85mm offerings, the EF 85mm f/1.2L II and EF 85mm f/1.8 could probably both use a refresh, though we haven’t heard anything about either in a very long time. I can’t see Canon ever adding IS to a fast (f/1.2) 85mm lens, but we might see something like an 85mm f/2 IS STM one day.

Patent Publication No. 2015-96915 (Google Translated)

  • Published 2015.5.21
  • Filing date 2013.11.15

Example 1

  • Focal length f = 82.87-82.02-77.72mm
  • Fno. 1.85-1.88-2.01
  • Full field angle 2ω = 28.59-27.41-23.18 °
  • FB 18.04mm

Tamron patent

  • Of positive and negative negative 3-group configuration
  • Inner focus (the second group)
  • Anti-vibration (Group 3)

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DPReview: Canon Rebel T6s/T6i Lab Report added to First Impressions

DPReview: Canon Rebel T6s/T6i Lab Report added to First Impressions

By Canon Rumors | May 27, 2015 | Canon DSLR News

DPReview has added lab reports to their first impressions for the brand new EOS Rebel T6s & EOS Rebel T6i.


The new Rebels bring solid image quality improvements to the popular line. Increased resolution (24MP, up from 18MP) makes the T6s and T6i competitive against most APS-C offerings from competitors, and a weak anti-aliasing filter in both models offers the potential for sharp images. Low-light noise performance is also now competitive against peers: better than some offerings while only slightly behind class-leaders. Tie in these considerations with a well-performing JPEG engine that yields pleasing results, and you’ve got solid performers on the image quality front.

View the results at DPReview


Review: Sigma 150-600mm f/5-6.3 DG OS Sport

Review: Sigma 150-600mm f/5-6.3 DG OS Sport

By Canon Rumors | May 26, 2015 | Canon Reviews

Friend of the site Dustin Abbott has completed his review of the brand new Sigma 150-600mm f/5-6.3 DG OS Sport lens.

Dustin initially wrote this lens off saying:

I had pretty much written off the new Sigma 150-600mm f/5-6.3 DG OS HSM SPORT lens before I reviewed it. I saw the specs (including the heavy weight and increased size over the Tamron 150-600 VC), and the MTF charts and early shots didn’t seem to be a lot better than the Tamron.

However, after using the Sigma, Dustin came away quite impressed by the mix of build quality, performance and value.

All in all I consider this lens to be a smashing success for Sigma. It has some shortcomings (its vignetting, particularly slow aperture, and heavy weight), but the tradeoff for that weight is a beautifully constructed lens that really feels like a match for some of Canon and Nikon’s best made lenses. It has great optical performance that is going to make a lot of photographers very happy with the images they bring home (this would be an amazing safari lens!) That focal length is really quite incredible, and the fact that you can use the lens wide open at all focal lengths without hesitation is very empowering. The price may seem high in comparison to the Tamron, but after using this lens I feel that the price is actually extremely reasonable for what you are getting, and would probably still be a decent value if it were $1000 more.

Read the full review | Sigma 150-600 f/5-6.3 DG OS Sport at B&H Photo

Canon Developing a New Slower Supertelephoto Lens [CR2]

Canon Developing a New Slower Supertelephoto Lens [CR2]

By Canon Rumors | May 25, 2015 | Canon Lens Rumors

We’re told that Canon is developing a new supertelephoto lens that is slower than f/4. One immediately thinks about an update to the EF 400mm f/5.6L, but we’re told that is not the case and it’ll be a new lens altogether.

While the source couldn’t nail down the exact focal length, speed or even if it was going to be a L lens, they did say the hope was to have such a lens to be announced some time in 2016 and that it would be “affordable”.

This sort of lens is definitely missing from the Canon lineup, both Tamron and Sigma have had a lot of success with 500mm and 600mm zoom lenses.

More to come…

24-70 f/2.8 DG OS Art Next from Sigma [CR1]

24-70 f/2.8 DG OS Art Next from Sigma [CR1]

By Canon Rumors | May 25, 2015 | Third Party Lenses

We’ve been told Sigma’s next Art series lens will be a zoom and most likely a 24-70mm f/2.8 DG OS Art.

The last Art series zoom from Sigma was the 24-105mm f/4 OS DG Art, which has been out of production for some time while Sigma put their manufacturing capacity into the new art series primes as well as the 150-600mm Sport and Contemporary lenses, we’re told production of the 24-105 f/4 DG OS Art will start again soon if it hasn’t already.

There was a rumor a while ago about Sigma attempting a 24-70 f/2 lens for full frame, but we haven’t heard anything about such a lens in quite some time.

You can read more speculation about Sigma’s roadmap at Sigma Rumors.