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I almost never shoot videos, but recently got some interest in that taking into account all video capabilities in recent cameras especially for high quality 4K. If it is there why not to try using that ? I was occasionally using video on Sony a7s and a7r2 , mostly HD which was good...

Had some time today to play with 1DXm2 live shooting mode using EF85f/1.2L USM II. So far I was very pleased with the results. This was good surprise which I did not think about when making decision to get 1DXm2. Fully opened (at f/1.2) system is focusing very fast, absolutely accurate...

Some time ago DPR added 1DXm2 to their comparison chart. There 1DXm2 high ISO performance looked slightly better than 1DX. The only one strange thing was there that 1DXm2 shots were brighter than 1DX shots. Actually, it was required in LR to move exposure slider about 0.5 stop down for 1DXm2...

Bought recently latest Metabones IV adaptor to use instead of Metabones III then upgraded it to the latest 0.46 firmware dated November 10. Tried to use it with Canon EF 100-400 m2 on Sony a7Rm2 and was surprised how well all works together using both single shot AF as well as continuous AF...

Another interesting a7rII review at Luminous Landscape: "Sony a7r II Review – Dynamic Range Compared to Canon 5DsR, Canon 1Dx and Nikon D810" What is interesting that 1Dx is still providing better shadows recovery at high ISOs compared to other ones. Hope that with 1DxII performance will be...

Comparison now available on DPR. Tells for itself, no comments required

Some interesting reading: http://diglloyd.com/blog/2015/20150822_1402-SonyA7R_II-focus.html "Something strange happened on my recent trip: I did not see any mis-focused images from the Sony A7R II. I mean, none. Try doing that with a Nikon D810 or Canon 5DS R with an autofocus lens—I have and...

5DS or 5DSR manual focus requires even more precision in manual focus compared to other canon bodies to get full advantage of camera resolution. But manual focus assist is one of the important features where Canon is lagging behind other vendors. Sony with EVF and focus peaking in manual focus...

This is some really amazing videography experience: Fujinon XA55 DIGIPOWER 55 zoom lens being used on Panasonic GH4. https://youtu.be/E-baLc-POBM

http://diglloyd.com/blog/2015/20150524_2246-ZeissBatis85f1_8-what-a-lens.html "The Zeiss Batis 85mm f/1.8 Sonnar rocks. What a gorgeous lens (the Zeiss Batis 25/2 also). MUST HAVES for Sony shooters. Short of Zeiss Otus, you’re not going to do any better at 25mm and 85mm on Canon and/or Nikon...

http://www.lensrentals.com/blog/2015/05/sony-fe-90mm-f2-8-g-oss-resolution-test "At both focusing distances the Sony system is clearly out resolving the Canon system. We would expect that, to some degree, given the higher resolution Sony sensor. But the difference was, quite frankly, surprising...

Received few days back new Zeiss FE 35mm F/1.4 ZA , primarily for use on Sony A7S , tested it on Sony A7R and Sony A7S. Impressed with image quality from this lens. On Sony a7R it resolves to every pixel on 36mpx sensor (very sharp images) and that was expected. For A7S it is very good at low...

Canon EF 85mm f/1.2L II USM was always one of my favorite lens used on Canon 1Dx. It was always perfectly focusing even wide open at F1.2 and providing very nice rendering. Last year I started using A7S for low light shooting (as walk around camera) instead of 1DX and I was never...

Being owner of Canon 1DX and Sony a7s + Sony a7r I found review below interesting for me , maybe it would be interesting for others http://www.sonyalpharumors.com/a7s-voigtlander-nokton-35mm-1-2-field-test-by-daniel-cook "The legendary high-ISO handling of the A7S is just amazing, whilst I use...

I am wondering when image processing softwares (LR, DXO, C1 etc.) will start using GPU for image processing . This could drastically increase performance and processing capabilities and could help to implement more complicated and more resource demanding algorithms. Especially using NVIDIA...

I was always interested to know what is the resolution power limit of Canon EF24-70mm f/2.8 M2 combined with the high resolution body and how this compares to similar lense type from different vendors. On Canon 1DX this is just perfect piece of glass. Few days back I received Matabone...

Sony is pushing limits with it's new MF 50mpx CMOS sensor - vey high IQ at ISO6400: http://www.luminous-landscape.com/reviews/cameras/iq250_back_announced.shtml -------------- The IQ250's new Sony-built sensor offers options for medium-format shooters, including high-sensitivity performance...

Found interesting info on Sony 7R image quality vs. 5Dm3, Nikon D800E and Pentax 645D with 100% comparison crops at different ISOs at imagine -resource: http://www.imaging-resource.com/camera-reviews/sony/a7r Very interesting to see comparison of Canon 5D M3 with Sony a7R at ISO 3200 both...

One of the weak sides of the 1Dx is noise in deep shadows at base ISO. It seems that nobody is arguing about that any more. DXO 1Dx measurement results also show that very clearly on their measurement curves. And I believe that nobody would be arguing that performance in this area is very...

For those who are interested are examples of 1DX low light performance in high DR environment. Also this is illustration why high DR performance is required for those who keeps repeating " why on earth your need high DR and why you need to underexpose images" Image RAW conversion is in LR4...