So there you have it, the new Batis. A beautiful lens that without a doubt will sell very well. It’s beautifully designed both inside and outside. It’s tack sharp wide open from corner to corner, suffers from little distortion (without lens profiles for LR) and little CA. Do I need this lens? Not really. My 16-35 is on my A7II 90% of the time and is great for all of my landscape work and offers a great range. I did fall in love with this Batis lens though. It just makes such a great package in combination with the A7II and is just so extremely sharp. I will miss the display on top of my lenses as I was already automatically looking at the top of my 16-35 lens when it was back on my A7II. I like to get creative and from that point this lens is also a great tool. I love primes and I would probably buy this lens in the future. I’m very interested to see how it performs on the new A7RII but it will most probably shine at it’s best on that body.
Last weekend I did some image tests that could be of interest for all SAR readers (and may also be published in your rumors blog)…
As an APS-C camera owner (first Samsung NX11, then Sony Alpha 65 and since last year Sony Alpha 77II) I’m currently tempted to switch to a full frame Sony camera but I prefer a-mount to e-mount as the current A7 series autofocus technology does not convince me (I’m therefore waiting for the A99 successor as I also own some very good a-mount full frame lenses).
One of my colleagues recently sold his complete Canon equipment and switched over to a Sony A7II. This was a perfect situation to do a direct comparison of the image quality under bad light conditions. The idea of this test was to have a 1:1 comparison of an identical low light scene shot with two cameras that have a lot of the technical specifications in common (identical 24.3MP resolution, same sensor generation, same BIONZ X image processor).
** Test setup **
All pictures were taken in the same room with the only light provided by a single light bulb.
The cameras were (one after another) mounted on the same tripod.
The Sigma lens was zoomed in to 35mm (in order to have the same image frame).
Focus was set manually to the white glue bottle (in the center of the frame)
Cameras were in Aperture priority mode and the aperture was fixed at F2.8
ISO was set to 100, 200, 400, 800, 1’600, 3’200, 6’400, 12’800 and finally 25’600
A shutter delay of 2s was used to prevent any shaking of the camera
No flash was used
Pictures were taken in RAW and converted to JPEG (in original resolution) using Lightoom 6 (without any noise reduction and other optimizations).
Please also check the comments section of my flickr album which contains more details about the exact Lightroom settings used for the JPEG conversion.
** Results **
I was astonished to see that even a full frame sensor creates a lot of noise in higher ISO settings (honestly much more than I personally expected) when there is no noise reduction applied.
The amount of noise of the A77II in one ISO setting is – in best case – about the same as the A7II with 1 ISO setting higher (e.g. A77II at ISO 800 is similar to A7II at ISO 1’600).
At higher ISO’s (3’200 and above) this tends to go more towards a difference of almost 2 ISO settings higher.
When you furthermore take into consideration that the A77II even looses some light (due to the SLT technology) this result even more astonishing.
** Additional remarks **
It was not my intention to do a scientific test (those you can find all over the internet or in special photo magazines containing detailed Dead-Leaves, Kurtosis, etc. measures) but one from the real world which simply compares the images quality of two cameras which both provide optimal image quality for their sensor size.
All images are available in full resolution and can be downloaded – for your own pixel peeping comparison – from my flickr set “ISO comparison Sony A7II vs A77II”.
The tests at ISO 12’800 and 25’600 were done just for fun (in order to have a complete set of test results) as such high ISO values usually produce image quality which will not be satisfying (if you expect a perfect image quality).
SAR reader Paul Gero just sent me his feedback about the A7rII with canon glass test he made yesterday:
Yesterday I had a chance to get my hands on the Sony a7rII camera (it’s at Image One Camera and Video in Riverside today (7/3/15) until 5 PM, if you want to try it yourself!). I was especially interested in seeing how well the camera works with a Metabones III adapter and Canon EF glass — since so many pro photographers use EF lenses. I was very pleased with the results and I think Canon pros who want to use the glass they own on the smaller, lighter and full-featured Sony a7rii when it comes out very soon. Please check out my blog post which includes some still photographs of the camera as well as a couple iPhone videos I did for Periscope yesterday. Apologies in advance for the audio — busy store — but I think you’ll be able to get the sense that this camera will indeed work incredibly well with EF glass. Note: the camera is not a final production model so the firmware will be even better and my Metabones probably should have updated firmware too. Truly excited about what this camera is going to mean to my upcoming photography and projects! Thanks to Rob Shelley from Sony and Shadi Sayes from Image One Camera & Video. http://paulfgeroblog.com/hands-on-with-the-sony-a7rii-metabones-iii-adapter-and-canon-zoom-lenses/
The video you see here on top (via Youku.com) is a very extensive autofocus test of the new A7rII. Sadly it’s in Chinese only so only a small part of our readers will understand what they are talking about. Still you can scroll to the following minutes to see the autofocus speed: Minute 1:15, Minute 2:25, Minute 3:10 and Minute 4,47.
Our reader Jack also provided with a short description of the video (Thanks!):
This video is published by a group of Chinese professional photographer.They tested the A7r2 focusing ability using the native FE 70-200 f4 G lense , Alpha 70-200 f2.8 G lens with LA-EA3 and Alpha 70-200 f2.8 with LA-EA4.It’s obvious that the focusing speed is almost the same no matter using LA-EA3 or LA-EA4. Besides, they also tested what they call the Eye Tracking AF.We can see that the focusing point keeps trying to catch the tester’s eyes. According to the testers, they are the only photographers who are permitted by Sony to release these review videos.So my advice is to hire a Chinese editor and translator because they will release another video about a7r2 using Canon ef lens and Nikon f lens tomorrow.
Does anyone know if there is an adaptor for the newer Fuji X lenses (that are used on the X-T1, for example) to an e mount for the Sony a6000?? I have a fair amount of these X lenses and would love to use them on my a6000.
I have now been shooting with the a77 mkii for a few weeks, giving it a good run. I Have carefully set up my lenses nicely for some slight back and forward focusing. My main two lenses are a Sigma 17-70 and the SONY DT 55-300, both which I love and are more than reasonably […]
Hi! I've always been on a lookout to buy the a6000 and now I just wonder what lens I should get. I like to take photos when I go on hikes (mix of landscape/nature/wildlife), vacations (mix of city outdoors and indoors), night photography and food. Is the 16-50mm/18-55mm worth buying as a bundle kit with […]
Posted Today, 12:41 AM Sorry this is a second posting because I couldn't attach files to the first after I'd posted. I'm a newbie and non-techie with a Sony A5000 which has been working well. But suddenly at an open air festival - lots of grass and sun - all the photos are coming out […]
I'm a newbie and non-techie with a Sony A5000 which has been working well. But suddenly at an open air festival - lots of grass and sun - all the photos are coming out washed out and whitish. I have to work very hard afterwards reducing the brightness to get any reasonable shots from the […]
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