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Sony a7iv

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crysania View Drop Down
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 29 January 2022 at 18:20
Originally posted by Dune Dune wrote:

The screw drive lenses I have are the 500mm mirror and Minolta 100-200mm F4.5 zoom.   They both work as well as or better in the case of the 500mm as they did on my A77.

I also have a couple of A mount lenses with motors in them, 70-300G and a Sigma 105mm macro. Both also work well with it but of course I could have used a different adapter with those.


Thank you! That's good to know! It's definitely something I'm contemplating down the line.
 



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Post Options Post Options   Quote Jozioau Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 01:06
If anyone's interested, I've posted some photos of senior men's tennis in the Sports Pics thread, all taken with my a7iv this time mounted with my SAL70200G2 via the LA-EA5.
Worked seamlessly and fully functionally.
Over the coming period it is my intention to get out with this camera and all my a-mount lenses via the LA-EA5, and will post selected images in appropriate threads, with links to them added here.
I'm sure it's all going to be a pretty happy marriage.
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Post Options Post Options   Quote Wētāpunga Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 02:25
Thanks for those pics Joe. What was the AF setting you used for those? It looks like combining the a7iv with an LA-EA5 adapter is a very effective combination.
α7riii, α9- Voigtländer 15/4.5, 110/2.5 M; Zeiss Loxia- 21/2.8, 35/2, 50/2 & 85/2.4, Zeiss Batis- 85/1.8 & 135/2.8; Sony 24-105/4 G; Sigma 70/2.8 M; Tamron 150-500 f5-6.7; Sony SAL 135/2.8 STF
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Post Options Post Options   Quote Jozioau Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 03:31
Originally posted by Wētāpunga Wētāpunga wrote:

Thanks for those pics Joe. What was the AF setting you used for those? It looks like combining the a7iv with an LA-EA5 adapter is a very effective combination.


The a7iv was set to human eye autofocus, the general autofocus setting was AF-C, AF tracking sensitivity at 2, the shutter to Continous Shooting Mid, and the shutter speed to 1/2500 second. The lens was set to f2.8.
Still very early days, but can't complain about the kit in any way.
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Post Options Post Options   Quote AudioDoc Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 17:11
Thank you, Joe!

The photos look great! I'm wondering what the difference is between the LA-EA3 and LA-EA5 when used with SSM lenses. I understand the LA-EA5 is not compatible with my A7III. The LA-EA3 seems to work fine with My SAL 70-200 SSM G (original). Mind you,normally the fastest moving objects I photograph are trains. So I wonder if I were to upgrade to the A7iv or other newer camera, will I need the LA-EA5 for SSM lenses?
Regards,

Kelly
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 19:00
The LA-EA5 is basically just an LA-EA3 that supports screw-drive on recent cameras. It works just like the LA-EA3 on older cameras. There is a firmware update for the LA-EA3 that is required to support the same frame rates as the LA-EA5, but that was released back during the A9 launch. There is no performance benefit of an LA-EA5 over an updated LA-EA3.

Edited by QuietOC - 30 January 2022 at 19:03
Sony A7RIV LA-EA5
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9
 



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AudioDoc View Drop Down
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Post Options Post Options   Quote AudioDoc Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 19:12
Ah, Ok! Thank you Matthew!

Regards,

Kelly
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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 23:35
I get the feeling there was a change in the hardware for recent cameras, which is why you need LA-EA5 on the recent ones and LA-EA1/2/3/4 on the older ones, but I'm still not clear whether the LA-EA5 works on early A7 models the same way the LA-3 does.
Miranda F & Sensorex, Sony A7Rii, A58, Nex-6, Dynax 4, 5, 60, 500si/600si/700si/800si, various Sony & Minolta lenses, several Tamrons, lots of MF primes and *far* too many old film cameras ...
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 30 January 2022 at 23:59
Originally posted by Miranda F Miranda F wrote:

I get the feeling there was a change in the hardware for recent cameras, which is why you need LA-EA5 on the recent ones and LA-EA1/2/3/4 on the older ones, but I'm still not clear whether the LA-EA5 works on early A7 models the same way the LA-3 does.


I don't have an older A7 right now, but I have a NEX 5T, and the LA-EA5 works just like the LA-EA3 (and updated LA-EA1) on it--right down to having contrast-detect AF-S in movie mode when you press the shutter--the most recent Sony bodies no longer have any contrast-detect with the LA-EA1/3/5 adapters.

Another set of even more recent cameras dropped all AF support for the LA-EA2 and LA-EA4 adapters, but those cameras still support all the non-AF stuff with those adapters. They didn't just drop all support for those adapters.

Summary:

NEX to A5100/A6000/A7/A7R/A7S/A7SII/A7II(original firmware)
- LA-EA1 requires firmware update for AF
- Contrast-detect/video AF-S LA-EA1/3/5 with motorized lenses
- LA-EA2/4 AF
- All LA-EA adapters limited to LO frame rate AF-C

A6300/A6500/A7II(updated)/A7RII/A7III/A7RIII
- Phase-detect LA-EA1/3/5 with motorized lenses
- Contrast detect AF/video AF-S with LA-EA1/3/5 with motorized lenses
- LA-EA2/4 AF
- All LA-EA adapters limited to LO frame rate AF-C
- Still no AF with original firmware LA-EA1

A9/A9II
- LA-EA3 updated to support 8/10 FPS AF-C with motorized lenses
- LA-EA5 supports 8/10 FPS AF-C with motorized lenses (no screw-drive AF)
- LA-EA1/2/4 and original firmware LA-EA3 limited to LO frame rate AF-C
- A9 has contrast-detect/video AF-S with LA-EA1/3/5, A9II does not
- Still no AF with original firmware LA-EA1

A6100/A6400/ZV-E10/A7C
- Phase-detect LA-EA1/3/5 with motorized lenses
- No LA-EA1/3/5 contrast detect/video AF-S
- LA-EA2/4 AF
- All LA-EA adapters limited to LO frame rate AF-C
- Still no AF with original firmware LA-EA1

A6600/A7RIV
- LA-EA4 and LA-EA5 both support screw-drive AF
- No LA-EA1/3/5 contrast detect/video AF-S
- Updated LA-EA3 and LA-EA5 support 11/10 FPS HI+ frame rate AF-C
- LA-EA1/2/4 and original firmware LA-EA3 limited to LO frame rate AF-C
- Still no AF with original firmware LA-EA1

A7SIII/FX3
- LA-EA1/3/5 phase-detect with motorized lenses
- LO frame rate AF-C
- No LA-EA1/3/5 contrast detect/video AF-S
- No LA-EA2/4 AF support
- No LA-EA5 screw-drive AF
- Still no AF with original firmware LA-EA1

A1/A7IV
- LA-EA5 screw-drive AF
- updated LA-EA3 and LA-EA5 support up to 10 FPS AF-C
- updated LA-EA1 still limited to LO frame rate AF-C
- No LA-EA1/3/5 contrast detect/video AF-S
- No LA-EA2/4 AF support
- still no AF with original firmware LA-EA1

All full-frame E-mount cameras support A-mount Lens Compensation including DT lenses. All APS-C E-mount cameras don't support A-mount Lens Compensation.

Edited by QuietOC - 31 January 2022 at 01:24
Sony A7RIV LA-EA5
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2022 at 07:29
I am still flabergasted that the LA-EA4 does not work with the A1/A7iv
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crysania View Drop Down
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2022 at 12:13
Originally posted by addy landzaat addy landzaat wrote:

I am still flabergasted that the LA-EA4 does not work with the A1/A7iv


Interesting. Though the LA-EA4 kind of sucks and the LA-EA5 is way better so I'm not sure why anyone would want to use it with them!
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2022 at 12:55
The LA-EA4 has 3 cross-type AF sensors and does a better job detecting out-of-focus detail in challenging light. I haven't bought another LA-EA4 for my A7RIV after selling my modified one, but I have thought about it. The LA-EA5 mostly works pretty well. The LA-EA4 would be more compelling with HI frame rate AF-C burst tracking support.

Edited by QuietOC - 31 January 2022 at 13:05
Sony A7RIV LA-EA5
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9
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Post Options Post Options   Quote gigo Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2022 at 14:09
Originally posted by crysania crysania wrote:

Originally posted by addy landzaat addy landzaat wrote:

I am still flabergasted that the LA-EA4 does not work with the A1/A7iv


Interesting. Though the LA-EA4 kind of sucks and the LA-EA5 is way better so I'm not sure why anyone would want to use it with them!

I vote for you.
It is a disappointing specification for those who already have LA-EA4.
However, LA-EA5 brings out the modern AF performance of the latest body. Maybe future progress too.
The LA-EA4 pushes AF back to the old standards it was designed for, no matter how good the new body is.

Without the LA-EA5, I would have been dissatisfied with the AF performance and sold off all the A-Mount lenses. But thankfully there is LA-EA5!
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crysania View Drop Down
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 31 January 2022 at 14:26
I'm thankful there's the 5. I just wish they'd make the a7iii compatible with it for the old screw-driven lenses. I tried the LA-EA4 with it and it was terrible. Completely not worth it.
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