I was reading the reviews of the LA-EA5 on Sony.com...

Started 10 months ago | Discussions thread
toughluck Veteran Member • Posts: 3,767
Re: I was reading the reviews of the LA-EA5 on Sony.com...

lattesweden wrote:

AkashRana wrote:

No sure how these people ended up writing those reviews, but from little of what I read these guys are ignorant of the capabilities of LA-EA5. A friend of mine works for Sony and has played with the adapter, speaks real good of the adapter and says its the best bet for adapting A-mount lenses at the moment. With right bodies, it works good; but has those superficial limitations imposed which if lifted, would make Sony loose on the sales of native E-mount lenses. Canon has done the best job when it comes to adapting EF lenses followed by Nikon with F-mount. Sony has diliberatly left out A-mount users as the pool was much smaller that Canon and Nikon DSLR users so Canon/Nikon gave great backwards capability and a gradual path to move to mirrorless as you loose a little with adapted lenses.

Nikon only has a LA-EA3 style adapter and left the screw drive lens owners screwed. And from the latest DPR interview with Nikon it doesn't seem to be any prio to create a screw drive capable adapter either (DPR actually asked about that).

So I feel sorry for those Nikon glass owners that now have been downgraded to manual focus lenses if they want to get into mirrorless.

Regarding Canon, the R bodys knows the EF-protocol (as well as the RF-protocol) and the adapter is just a pass through of the signal and mount converter and distance spacer. Canon was the last one in when AF took off in the mid 80s and they choose electronic controlled lenses with autofocus motors and aperture motors built into the lenses already back then instead of using screw drive couplings and mechanical aperture lever from the body. This is what they win on today vs the others by either pure dumb luck or extreme skills in predicting the future (take your pick).

Three words: Minolta Vectis system. Minolta knew that they made design mistakes with A mount and tried to fix them with V mount.

V mount included electronic aperture control, autofocus motors in the lenses and even implemented focus by wire. It was weird that they decided to make the RD-3000 with the V mount, but it seemed they were in at least some way aware that V mount had some advantages.

But it also had severe shortcomings. Besides the obvious being married to APS format, the A to V adapter not only didn't have autofocus (the flange distance difference is not that large), but no automatic aperture control either. And the worst thing was that the V mount communication protocol was not as robust as it should have been, so lens aperture sometimes became stuck in open position when taking a picture or stuck in stopped down position after taking the picture.

Regarding Canon EF-lenses, they discontinue them now in quite a high tempo and they even relaunch some of them with a built in bolted on RF-adapter like the 400 and 600 mm they announced today (those are discontinued in EF-mount). So Canon seem to be moving away from their DSRL business just after 2,5 years after introducing mirrorless and on that point one have to give Sony cred for holding out much longer. Here in Sweden, it is first now that selected A-mount bodys and lenses starts to disappear from Sonys web site.

Back in January 2020, Canon stated this:

“To date we’ve launched ten critically acclaimed RF lenses, and as it’s a new system we plan to continue this, launching more RF lenses while still fully supporting the EF lens system. And of course, should the market demand it, we are ready to create new EF lenses. But for now, our focus is on RF.”

This was pretty clear, but was still interpreted in three different ways:

  • The key takeaway is "fully supporting" and "we are ready to create new EF lenses." There was no need for new EF lenses then, but once they build up the RF system, they'll release the new lenses in EF mount.
  • The key takeaway is "for now." They needed to shift resources to quickly develop RF system now and will come back to EF soon.
  • They key takeaway is between the lines: "EOS EF is EOL, LOL." No more EF lenses ever and they'll discontinue them as soon as they can.

I'm sure they planned to discontinue the 400 and 600 mm lenses after 2020 Tokyo Olympic Games, but couldn't due to the pandemic. Since then, the Olympics are set to take place this year, and Canon will have new EOS R3 and EOS R1 masquerading as EOS R3 in the hands of photographers by then. No need to wait anymore, especially with Sony breathing down their neck with the excellent A1 and a selection of high end lenses.

 toughluck's gear list:toughluck's gear list
Sony a99 II Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Sony 85mm F1.4 ZA Carl Zeiss Planar T* Sony 135mm F1.8 ZA Carl Zeiss Sonnar T* Sony 50mm F2.8 Macro +11 more
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