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Suitable lenses for A7

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jdb2jdb View Drop Down
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Post Options Post Options   Quote jdb2jdb Quote  Post ReplyReply Direct Link To This Post Topic: Suitable lenses for A7
    Posted: 13 December 2018 at 17:04
I'm going to purchase an A7 or A7ii in the near future, dependant on finances.

My current main lenses used on the A58 are

Sigma 10-20

Tamron 17-50 2.8

Minolta 50 1.4RS

Sony DT55-300

I realise three of the above are APS-C lenses but is it worth getting the EA4 adaptor and keeping any?

Thanks for any experience or advice.
 



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neilt3 View Drop Down
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 13 December 2018 at 17:59
If you plan on getting rid of the a58 , you might as well sell all the A mount lenses and start again with E mount .
Only the 50mm is going to be of use , but you would be just as well getting the E mount one as it's very good , not worth getting an LA-EA4 just for that .

You could argue that you can use crop sensor lenses on full frame in crop mode , but what's the point of that ?
All depends on if you plan on keeping and using the a58 .
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pegelli View Drop Down
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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 13 December 2018 at 18:17
Fully agree with neilt3, the E-mount 50/1.8 is cheaper than the LA-EA4 and all native E-mount lenses work better (AF/handling) than adapted A-mount lenses via the adapter.

I consider the LA-EA4 a stop gap to spread investment (when you have sufficient FF lenses) or want to use lenses that are not available in E-mount (eg the 200/2.8 or the 135/1.8).

In principle the LA-EA4 works quite well, but long term neither the adapter nor the APS-C lenses will be your preferred set-up.
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 13 December 2018 at 18:53
I have a lot more screw-drive lenses, and I am not planning to get an LA-EA4. I do have the SAL50F14 on an LA-EA3 on my A7II today.

I just returned an FE 50 F1.8. It might have been a poor copy. I kept a Canon EF 50 F1.8 STM instead since that lens was much sharper wide-open and focused just as well on the Sigma MC-11 adapter on my A7II.

The FE 28-70 OSS is a nice kit lens--as good as the Tamron 17-50 F2.8.

The 55-300 doesn't cover full-frame. I don't see much reason to use long zooms on the A7II. The Tamron 70-300 USD can be had for around the same price as the 55-300 and focuses decently on the LA-EA3 on the A7II.

It sounds like the Sigma 10-20's do cover the larger sensor at the long end.

Edited by QuietOC - 13 December 2018 at 19:03
Sony A68 A77II A6000 A7II LA-EA3 LA-EA4 MC-11
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8
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Post Options Post Options   Quote jdb2jdb Quote  Post ReplyReply Direct Link To This Post Posted: 13 December 2018 at 22:09
Thanks for the replies all.

Not keeping the A58 so I'll replace as I go.

Also have screw thread lenses I only use rarely but as it's cheaper for an adaptor for M42 i will purchase one for early options just to get some familiarisation.

55 1.8 Fujinon

135 2.8 Helios

50 1.8 Pentacon

50 2.8 Carl Zeiss

I'm thinking this site maybe the best option to sell the lenses I don't intend to use.

Edit - I'm getting the Sony 28-75 with the camera.
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pegelli View Drop Down
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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 14 December 2018 at 09:09
Now, there's some fun lenses to use with an A7(ii). I used to have the Helios 135/2.8 and still have the Pentacon 50/1.8 and both are pretty good, allthough the bokeh of the 135 is a bit funky (matter of taste)

Btw, did you already decide on A7 or A7ii? If your budget can stretch that far I think the stabilisation of the ii is certainly worth something for using older lenses. The 28-70 has OSS, so for that one it's less important.
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Miranda F View Drop Down
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Post Options Post Options   Quote Miranda F Quote  Post ReplyReply Direct Link To This Post Posted: 14 December 2018 at 14:20
I'm not sure the LA-EA4 is worth the cost unless you plan to use more lenses on it. The Sigma 10-20mm is an excellent lens. I'd suggest going for a cheap MF adapter (£10 or less) and MFing it, until you get an E-mount replacement lens.

MF is not usually an issue with wides. You can use it on FF and crop the sides only for square pics or crop to portrait mode without turning the camera.
I found mine showed some vignetting in the far corners at all focal lengths but circular sides only below 15mm.
Miranda F & Sensorex, Sony 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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Bob J View Drop Down
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Post Options Post Options   Quote Bob J Quote  Post ReplyReply Direct Link To This Post Posted: 14 December 2018 at 15:33
Originally posted by jdb2jdb jdb2jdb wrote:

I'm thinking this site maybe the best option to sell the lenses I don't intend to use.


You won't be able to sell in the sales forum until you shed 'newbie status' which requires at least 90 days of active membership and over 40 posts - although you have been registered for a number of years two posts in the last 2 years puts you some way off active membership...

...however, if you put lenses up on ebay you are welcome to post a link to the ebay sale on our 'external sales' forum.

Getting back to the camera - I'd say to go for the a7ii over the a7 - price of the a7ii is crazy low at present - plus you get IBIS that can be dialed in for all that MF legacy glass.
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 14 December 2018 at 16:27
The LA-EA3 was worth $149 with the A7II to me. If there was a $100 adapter that could read the aperture setting on Minolta SR lenses I'd probably get it. I do wish the LA-EA adapters allowed focusing with aperture preview like the cheap adapters allow.

The Leica M to E-mount AF adapters have been on sale for $250 recently. And there are AF to M adapters with manual aperture control. And I believe these AF adapters present themselves as native lenses so they don't have the AF limitations of the LA-EA adapters.
Sony A68 A77II A6000 A7II LA-EA3 LA-EA4 MC-11
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8
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Post Options Post Options   Quote jdb2jdb Quote  Post ReplyReply Direct Link To This Post Posted: 15 December 2018 at 15:16
Once again many thanks for replies and experiences. I've purchased the A7 + 28-70 oss lens, got what thought was a good deal with what i could afford.

Ordered an M42 adaptor and screen protector, it gives me some immediate options, but I won't be using it until they come.

Pity as I'm off to the Inverness/Aberdeen area Monday morning so it would have made for some interesting shots on the way.
As it is I'll have to make do with my bridge camera

I see that some NEX cameras can be bought for a reasonable price so was wondering if it would make a realistic backup or alternative camera.

How do the E lens cameras see the FE lenses?

Once more, thank you all.
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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 15 December 2018 at 16:15
Originally posted by jdb2jdb jdb2jdb wrote:

How do the E lens cameras see the FE lenses?
No problem to use FE lenses on an APS-C E-mount camera. Other than the 1.5 crop factor they work just the same. The A6000 would be a nice back-up, since the menu system is virtually identical to the A7. NEX6 is also a nice camera, but the menu is totally different. Real low cost options would be the A5000 or A5100 (or even an older NEX5 or NEX3), but they don't have a viewfinder which would not be my preference, but obviously that's personal so ymmv.

Btw, congrats on the A7, great camera and a bit nicer knobs/buttons vs. the A7ii however with the downside that it doesn't have IBIS.
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Cliff View Drop Down
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Post Options Post Options   Quote Cliff Quote  Post ReplyReply Direct Link To This Post Posted: 15 December 2018 at 16:46
FWIW, I use both LA-EA3&4 on an A7II (and on an a6500, but that's another story). I very much like my old Minolta and 3rd party glass. A mount lenses are usually so profoundly less expensive than equivalent FE mounts that LA-EA adapters often pay for themselves with a single A mount lens versus FE. FE sticker shock is, well, shocking.

Although it still works well, LA-EA4 is getting a little long in the tooth. The LA-EA3 works well with SAM lenses, and it is less expensive than the 4. I have found the Minolta 28-105mm to be a nice every day lens on the A7 and the Minolta 75-300mm to be the best of the bunch for a tele zoom (except the old BBC, but it is awfully big). Both those lenses are dirt cheap these days. 70-210mm f3.5-4.5 is nice too, as is your 50mm f1.4. All those lenses require an LA-EA4.

I happily use a Nex5T with the pancake 16-50mm lens (and optional viewfinder) as a pocket camera. That makes a very nice, inexpensive and small camera. It looks a little silly if I put a big lens on it, but works just fine like that too.

Hope you enjoy your camera. I was surprised how pleasing it was to get back to FF after shooting APS-C for a decade.

Edited by Cliff - 15 December 2018 at 16:51
Contax RF, Minolta7000i, Sony A100, A65, Nex5T, A7ii, A6500. 2 many lenses, mostly ordinary Minolta & 3rd party A, MC/D, other mf, vintage Vivitars & cats, LA-EA2,3,4 E16-50&55-210mm
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