This is a guest post from Stephen M. Blythe. The original article was posted on allmyfriendsarejpegs.com. All images used with permission and under copyright from Stephen M. Blythe.

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Canon 50mm f0.75 XI Lens Review

Aye, you read that correctly, f0.75. The Canon 50mm f0.75 XI is a rare, super-fast lens that was designed for use with X-Ray machines. There’s very little information available about the lens online other than that, and even fewer example images. I spotted one up for sale on eBay a while ago, and decided to take the chance to see if I could do anything with it. It’s not every day you get the opportunity to shoot with one of the fastest lenses ever made, after all.

Here it is, in all of it’s glory. It has a pretty beautiful purple sheen to it in the light, which I presume is from a coating.

This new Struts video has been shot by Greg Watermann with the Sony a9 and Zeiss Batis lenses.

Ethan sent me this size comparison between the Sony A7 and Nikon Z Full Frame mirrorless. Ethan matched up the hotshoes to give us close comparison. I don’t think it’s 100% accurate. The mount really looks huge compared to the E-mount.

If you have made an accurate comparison please post it on the comment section below.

And by the way, a Canon Full Frame mirrorless is rumored to be announced the second week of September according to CanonWatch! This is going to be a busy time. We all have to hope Nikon (August 23 announcement) and Canon will make great cameras to push Sony’s marketing department to release some new exciting cameras…like a new A9r :)

400mm f/2.8 FE preorder at BHphoto, Adorama, Amazon, FocusCamera. In EU at Calumet.de and ParkCamera.

Chris and Jordan from DpreviewTV tested the new lens:

And Craig Parry (craigparryphotography.com) sent me these beatiful image samples shot with the 400mm lens:

“ The fastest and most responsive 400mm prime I have ever used, the image quality from this flagship GM lens coupled with A7RIII body has resulted in extremely crisp images and its bokeh-licious at f2.8”  

Also this image was one of 6 in sequence with all being spot on focus even at f3.2 and having the Seagull approaching at fast speeds:

via CameraSize

The new Sigma 50mm ART FE lens is just slightly longer than the Zeiss. The Zeiss is a bit thicker and a bit lighter. Of course in terms of lightness the Sony 1.8 beats everything by far. Dind’t include the Samyang 50mm as it isn’t listed on the CameraSize database.

Links to the three 20mm lenses:
Zeiss 50mm at [shopcountry 71585]
Sigma 50mm at [shopcountry 71586]
Sony 50mm at [shopcountry 71587]

New Sigma FE lenses:
All lenses listed on one page at BHphoto (Click here).
Sigma 14mm f/1.8 for $1,599 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 20mm f/1.4 for $899 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 24mm f/1.4 for $849 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 35mm f/1.4 for $899 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 50mm f/1.4 for $949 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 70mm macro for $569 at BHphoto, FocusCamera, Amazon and  Adorama.
Sigma 85mm f/1.4 for $1,199 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 105mm f/1.4 for $1,599 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 135mm f/1.8 for $1,399 at BHphoto, FocusCamera, Amazon and Adorama.

On top you can watch Kai’s take on the Sony A7III. And Imaging Resource published the final A7III review conclusion:

Sony keeps knocking it out of the park with their full-frame mirrorless cameras. Each generation gets better and better, and with the A7 III, especially, they’ve created an impressive all-around camera with professional-level image quality, performance and features, while at the same time maintaining a price point that’s attainable for a lot of photographers. Sure, if you need more resolution, the A7R is there; and if you need crazy-fast burst speeds, the A9 is waiting. But you’ll pay a lot for these upgrades. The Sony A7 III, on the other hand, is all about balance; it’s a “Goldilocks” camera in a way. The A7 III offers such a well-balanced mix of performance, quality and features that it suits many different types of photographers and many photographic disciplines, and it’s worth the current ~$600 premium over the Mark II model in our books. As we said earlier, if you’ve been pondering the move to a mirrorless camera, especially full-frame, the Sony A7 III should absolutely be at the top of your list.
As you can guess, the Sony A7 III definitely gets the thumbs-up as a Dave’s Pick!

Sony A7III in USA at Adorama, BHphoto, Amazon, BestBuy, FocusCamera, BuyDig.
Sony a7III in Europe at Amazon DE, Calumet Germany, Amazon UK, ParkCameras UK, WexUK, Amazon FR, Amazon IT, Amazon ES.

With so many different RX100 cameras on market it’s easily to get confused :) That’s why Dpreview published a guide which helps you to understand which Sony RX100 is right for you. And Jared Polin published the video review of the new RX100VI: