Photoclubalpha

Peter - all these lenses become 100% useful on the A7R II. You can even get an AF adaptor for the Contax G lenses. I've been shooting today with the Canon 5DS and the A7R II, using my Sigma 12-24mm at 12mm on the Canon, and the VSLT 12mm on the Sony. Both need some CA correction, both are softer at ...

Don't even be concerned by the AF - the A7R MkII is an entirely different thing from anything before. The very shallow superstructure of the BSI sensor means the phase detect pixels are maybe two to four times as effective, and they have taken full advantage of this. It focuses like a DSLR especiall...

Biggest difference Barry is the f/2.8 - none of the other ultrawides can focus properly. f/2.8 plus an f/2.8 centre AF point gives much more accurate focus so the Tokina always wins.

Truth is, for the cost of a trip to London, I might as well get a flight to New York and spend a day with the guys at B&H... I could visit Sony in Germany cheaper. Information is not a problem - and Sony is very controlling, Mark always sounds as if he is not governed by their normal methods (al...

No pictures allowed and pretty hard to say anything more. Yes, I think it's probably a great camera but yesterday's trip only reinforces my absolute contempt for Sony and how they run things in the UK. Here's how it used to work: the sales or PR manager for an importer would call me and say, we've g...

I've done a post on the A7R II, and have hands-on the camera tomorrow, though not sure whether any proper tests or reporting will be allowed.

http://www.photoclubalpha.com/2015/06/1 ... -obsolete/

David

It's very unlikely they will try to make screw-drive lenses work with the on sensor PDAF. Only a few of them report their relative focus state accurately enough (D-series lenses) so even if the phase detection says 'we need to focus 1cm closer then fire' the lens can't actually do it. Some late D mo...

Lovely captures - moiré in the dragonfly eye too, some resolution at work there!

Still waiting for the price to fall - and for a separate GPS to be introduced by Sony!

The Sony one will be identical. I needed to get a 4X ND for my Tamron 500mm and found a Camlink 30.5mm for under £10, but I really doubt it is the required quality - rear filters for mirror lenses must be absolute top grade.

There's no f/2.8 centre point on the LA-EA4 but all the AF points on it will work as well, some report better, than the A900 or A850 and are a close match to the A99.

I certainly have no trouble with it.

David

It was my regular lens for several years. Love the size. Main problems - soft wide open at 300mm (but this was in the days before AF calibration, or live view focus, and focus errors were just as likely to be the cause as anything else); slow AF, quite noisy; fixed 1.5m minimum focus which I find a ...

The SSM G version 2 is probably better. I can only say that both the Sigmas I use, the 70-300mm OS and the 70-300mm APO Macro, proved sharper than my 70-300mm G at 300mm wide open, which tends to be my criterion for these lenses. There may have been back or front focus error contributing to this dif...

Just an update. I've come within a moment of pressing the buy button for a £780 lens - I would not buy it at £1249 and find the difference in import and 'native' prices extreme, it's much better in Europe but maybe that's down to the Euro exchange rate. Then I decided to take a few casual handheld t...

I've decided not to buy the 70-200mmm- cost, size, usefulness of the focal length range, focus restrictions etc. Generally if I want telephoto reach, I want as much as I can get without lugging a 70-400mm around and the best way to get that is not to try to do it on full frame. My money would be bet...