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24-70 comparison

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japp View Drop Down
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Post Options Post Options   Quote japp Quote  Post ReplyReply Direct Link To This Post Topic: 24-70 comparison
    Posted: 28 July 2023 at 14:01
Hey all,

i have been looking in to getting some nice lenses for my Sony a7. lately i have seen there are some nice 24-70 lenses but i have also seen an A mount Sony Carl-Zeiss f2.8 variant which i can't seem to find any comparisons off to the current Sony e mount Carl-Zeiss 24-70 f4 or the Sony 24-70 f2.8 GM.

i am looking in to the a mount 24-70 F2.8 lens since i started out on the a mount with an a58, there after got an a68 and also some film camera's. therefore i could use this lens on much more body's. ( to your info i already have an La-ea4 adapter)

what would you guys recommend and most importantly how do these lenses compare to each other?
 



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2manycamera View Drop Down
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Post Options Post Options   Quote 2manycamera Quote  Post ReplyReply Direct Link To This Post Posted: 28 July 2023 at 16:01
If you need a 24-70/2.8 that will work on both A & E mount, then the Vario-Sonnar 2.8/24-70 ZA (that's it's full name) is your best choice. It's an excellent lens in most regards, although newer FE lenses will outperform it in areas such as corner sharpness. Also, if primarily used on aps-c cameras such as the a68 what you get is a 36-105 equivalent. A possible better choice would be the SONY 2.8/16-50 SSM.

Another issue is which film bodies you would like to match this lens. Since the ZA is an SSM lens, it will AF on a limited number of Minolta bodies, such as the Dynax/Maxxum 7, 5, (maybe the 4?) and 9's with the SSM update.

Again, if you want both A & E compatibility, then this is your best choice. But, newer FE lenses will outperform the older ZA in many regards (size, weight, focus speed, corner performance and probably color fringing-LOCA).

Hope this helps.
7D a68 a99 a6600 a7Rii 16/2.8 24/2.8 28/2 35/2 50/1.4 100/2 200/2.8 24-70CZ 1.8/135 80-200/2.8 24-105 28-135 300/4 16-50DT 70-300G Tam 90/2.8, E55-210 E2/12 Sig E1.4/16,30 & 56, FE15/4.5V
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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 28 July 2023 at 17:33
I have never owned any 24-70mm and briefly owned Tamron 28-75mm f2.8.
24-70mm f2.8 lenses are (for me) not wide enough, not long enough, not small/light enough and not fast enough. Bit of a jack of all trades kinda lens which isn't quite my personal preference unless I was shooting at events, wedding and such which I don't.

Since you are willing to consider f4 options, I suggest looking at Sony 24-105mm f4 or tamron 28-200mm f2.8-5.6 or even the new Sony 20-70mm f4.

The newer e-mount lenses are better than older lenses optically (sharpness, bokeh, flare etc) and in some cases smaller too. Of course you cannot use them on a-mount bodies.

On A-mount there is a sigma art 24-105mm f4 which is bigger and heavier than Sony version and not as optically good especially at the longer end.
There is also a Sony/minolta 24-105mm f3.4-4.5 which I used to own. I really liked it for its size but needed stopping down a little bit for better results especially in corners.
There is also a minolta 28-135mm f4-4.5 which reviews favorably.
AG Photography
A7RV, 20-70G, 70-200GII, Viltrox16mm/1.8, 35/1.4GM, Sammy85/1.4II, 500DN
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addy landzaat View Drop Down
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 28 July 2023 at 19:08
There are several threads on normal zooms on A-mount cameras. The conclusion:
Sony/Zeiss 24-70/2.8 SSM - the best of the bunch
Tamron/Minolta/Sony 28-75/2.8 - the best bang for your buck
Minolta 28-70/2.8 G - for lovers of great bokeh!

24-85, 24-105 and 28-105 if you want more reach and don't mind the slower aperture and slightly worse IQ.
The Sigma 24-105/4 HSM seldom is mentioned, but as the reviews back then said it was comparable the Canon version, it also is a good option.

If you go with a SSM, SAM or HSM lens, I would also get a LA-EA3 or LA-EA5 to taken full advantage of your AF system with newer E-mount cameras.
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 28 July 2023 at 20:29
The Sony ZA and SAM zooms have Lens Compensation support when used on the LA-EA adapters on full-frame E-mount cameras. I had a sharp Sony 28-75 SAM, but I didn't like how it rendered backgrounds. The Tamrons weren't as sharp, but they also looked awful.

I have an old Tokina 28-70mm F2.8 that has nicer rendering. I haven't tried the original 28-70 G or the A-mount 24-70 ZA's. The later seems to have a lot of variation judging by the two samples DXOMark tested.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 28 July 2023 at 21:18
Originally posted by QuietOC QuietOC wrote:

The Sony ZA and SAM zooms have Lens Compensation support when used on the LA-EA adapters on full-frame E-mount cameras. I had a sharp Sony 28-75 SAM, but I didn't like how it rendered backgrounds. The Tamrons weren't as sharp, but they also looked awful.
It seems the Sony 28-75/2.8 used the same optical formula as the Tamron and Minolta versions, but with SAM drive and I feel tighter production tolerances. It would be the one to get.

Originally posted by QuietOC QuietOC wrote:

I have an old Tokina 28-70mm F2.8 that has nicer rendering. I haven't tried the original 28-70 G or the A-mount 24-70 ZA's. The later seems to have a lot of variation judging by the two samples DXOMark tested.
I doubt you would like the Minolta 28-70G. It lacks micro-contrast - it has enough resolution but isn't that sharp. Also, AF is slooooooow. But the rendering is wonderful.

I feel that native E-mount lenses in this range are better: sharper and faster AF. That is why I picked up the Sigma 28-70/2.8 DG DN
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Post Options Post Options   Quote arrow34 Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 00:00
I was in your same situation, I still have my a99mk2 and I have the Sony/Zeiss 24-70/2.8 SSM. I ended up getting the a7r 4 and discovers that the laea5 worked amazingly with the a7r4. I have stuck with it for the last year And a half.   I recently got a e-mount 24-70, but will keep my a99mk2 And the ziess. Great combo.
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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 07:33
But OP doesn't own an A99mk2...
He also doesn't seem to need f2.8.

Given longer term upgrade path is e-mount it makes sense to buy native e-mount lenses where he can. In future he's only going to lose money if he has to sell a-mount lenses to upgrade.

Personally I'd never suggest anyone to newly buy any a-mount lenses unless it's not available natively or it's a speciality lens or you want something for it's rendering etc. None of this seems to apply to OPs case above. In fact on e-mount there's like seven 24-xx options while there's three on a-mount. If you add 28-xx then there's even more e-mount than a-mount.

Edited by nandbytes - 31 July 2023 at 07:37
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 09:09
But OP wants to use the lens on his film cameras and you can't fit a native E-mount lens on an A-mount camera. So, buying native does not make sense.

How do you count three 24-xx options for A-mount? I count 22 of all makes, ranges and aperture. Four are f/2.8: Sony/Zeiss 24-70/2.8; Sigma 24-60/2.8; Sigma 24-70/2.8 and Tamron 24-70/2.8 VC (disregarding slight updates).
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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 09:36
Originally posted by addy landzaat addy landzaat wrote:

But OP wants to use the lens on his film cameras and you can't fit a native E-mount lens on an A-mount camera. So, buying native does not make sense.


I don't really consider a film cameras as an "upgrade" to e-mount. As I mentioned in my comment e-mount is the only upgrade path since a-mount is no longer in production.
Plus OP himself has chosen FF e-mount over FF a-mount. To me that shows that he also views e-mount as the upgrade path on some level.

Tbh I consider film cameras mostly a waste of time and money (even though I own/use them myself). There aren't many shots I have seen that have benefitted from being taken on film. If people like the experience then each to their own but its not an upgrade by any means.

Originally posted by addy landzaat addy landzaat wrote:


How do you count three 24-xx options for A-mount? I count 22 of all makes, ranges and aperture. Four are f/2.8: Sony/Zeiss 24-70/2.8; Sigma 24-60/2.8; Sigma 24-70/2.8 and Tamron 24-70/2.8 VC (disregarding slight updates).


My bad, I was clearly wrong then. I didn't realise Sigma and tamron made those for a-mount, thought they only made them for EF/F.
I only counted Zeiss 24-70/2.8, sigma 24-105/4 and Sony/minolta 24-105mm f3.5-4.5
I also forgot about Minolta 24-50m f4 & 24-85mm, even though I owned one myself

I guess there's more options on a-mount definitely with a big range. Of course image quality and size differences compared to e-mount is a separate discussion.

Edited by nandbytes - 31 July 2023 at 09:43
AG Photography
A7RV, 20-70G, 70-200GII, Viltrox16mm/1.8, 35/1.4GM, Sammy85/1.4II, 500DN
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Post Options Post Options   Quote owenn01 Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 10:10
One more vote (if there has been one already?) for the Sigma 24-70 EX DG HSM variant; I've used it for several years now on my a99 so it woul dbe a perfect match for a film camera in a-mount. Rendering of OoF I find pleasing - perhaps not quite as creamy as the Sony Zeiss variant - but it is also a whole lot less money to buy, at least in a used form.

Best regards, Neil.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 10:41
Originally posted by nandbytes nandbytes wrote:

Originally posted by addy landzaat addy landzaat wrote:

But OP wants to use the lens on his film cameras and you can't fit a native E-mount lens on an A-mount camera. So, buying native does not make sense.


I don't really consider a film cameras as an "upgrade" to e-mount. As I mentioned in my comment e-mount is the only upgrade path since a-mount is no longer in production.
Plus OP himself has chosen FF e-mount over FF a-mount. To me that shows that he also views e-mount as the upgrade path on some level.

Tbh I consider film cameras mostly a waste of time and money (even though I own/use them myself). There aren't many shots I have seen that have benefitted from being taken on film. If people like the experience then each to their own but its not an upgrade by any means.
But that is a very personal opinion. Loads of people love film photography. And one can run a dual film/digital system.

Film is not an upgrade, it is side step. Live isn't linear. With film it is all about the experience.
A lot of people would not take pictures if they had to use only digital. You can take most pictures with digital (better) but film always is better then no camera.

TBH, it is your subjective opinion, not that relevant to the question of OP.
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Post Options Post Options   Quote owenn01 Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 10:44
My daughter-in-law only takes film images (she's also a Nikon shooter but that's by-the-by); she loves the 'experience' of film photography and the excitement of waiting to see what the effects she's tried look like when she gets the film back. It's a Modern Art Degree sort of thing I've now gathered!

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Post Options Post Options   Quote nandbytes Quote  Post ReplyReply Direct Link To This Post Posted: 31 July 2023 at 10:55
As I said each to their own. I am not passing judgement on their choices or questioning their choices.
Opinions are subjective which is why its an opinion and not a fact.

It is relevant because OP asked forum's opinion if he should buy e-mount or a-mount. My opinion is he should buy e-mount for reasons mentioned above. Most importantly lenses are intended to be kept for a long time and e-mount provides greater longevity in my opinion.
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