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Howard_S View Drop Down
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 14:26
Originally posted by ganchoo ganchoo wrote:

My Minolta AF has 5 pin connectors. I read in Deepreview that you may use IBIS if your lens has 8 pins as for digital cameras. I cannot confirm that as my Sony A7 has no IBIS.
SO BE AWARE when you use A mount lens in E mount body with adapter you must have 8 pins in it.
My old Sigma 105mm f.2.8 macro is with 8 pins. In Minolta lenses there is D at the end to tell you if the lens is for digital cameras and obviously Sony lenses are all with 8 pins.
That's not correct. I have a 5-pin lens (Minolta Af 24-85) and when I mount it on an LA-EA adapter the A7 III camera detects the lens and its focal length and gives IBIS accordingly. I understood the D designation was for distance encoding for flash photography, and not for digital. See the lens glossary here, https://www.dyxum.com/lenses/lens_glossary.asp
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ganchoo View Drop Down
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Post Options Post Options   Quote ganchoo Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 14:29
That is great news. I did not know that. Pop. Then I can use all my Minolta lenses. Fantastic.
Can you tell me if it offer and Eye AF with it????
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 14:32
Originally posted by Howard_S Howard_S wrote:

Originally posted by ganchoo ganchoo wrote:

My Minolta AF has 5 pin connectors. I read in Deepreview that you may use IBIS if your lens has 8 pins as for digital cameras. I cannot confirm that as my Sony A7 has no IBIS.
SO BE AWARE when you use A mount lens in E mount body with adapter you must have 8 pins in it.
My old Sigma 105mm f.2.8 macro is with 8 pins. In Minolta lenses there is D at the end to tell you if the lens is for digital cameras and obviously Sony lenses are all with 8 pins.
That's not correct. I have a 5-pin lens (Minolta Af 24-85) and when I mount it on an LA-EA adapter the A7 III camera detects the lens and its focal length and gives IBIS accordingly. I understood the D designation was for distance encoding for flash photography, and not for digital. See the lens glossary here, https://www.dyxum.com/lenses/lens_glossary.asp


Distance encoding is needed for x- and y-axis stabilization. Basically the camera needs to calculate the subject magnification. X- and Y-axis motion doesn't effect objects at infinity. 5-pin lenses only get 3-axis stabilization the same as you get if you manually enter a focal length. 3-axis stabilization is helpful.

The first-party A-mount distance encoders aren't very precise. Also some Sigma claimed some of their lenses to have distance encoders, but basically output garbage data.

Edited by QuietOC - 27 April 2021 at 18:22
Sony A7RIV NEX-5T HVL-F45RM LA-EA3 LA-EA4r MB-IV MC-11 EF-E II TLT ROKR MD-NEX KR-NEX DA-NEX
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9 AF-P/Q
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ganchoo View Drop Down
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Post Options Post Options   Quote ganchoo Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 14:40
So do I have to upgrade to new camera which has IBIS or not as it all cost?
Which one do you prefer : Sony a7r II £1079 or Sony a7 III £1319??
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 14:50
Originally posted by ganchoo ganchoo wrote:

So do I have to upgrade to new camera which has IBIS or not as it all cost?
Which one do you prefer : Sony a7r II £1079 or Sony a7 III £1319??

The A7III is the better camera overall.

I could live with just the A7RII though. I am thinking of selling my A7III now before the A7IV is released.

If the A7 is working for you, there's not much reason to upgrade. There's also the A7II if you just want IBIS and somewhat better AF.
Sony A7RIV NEX-5T HVL-F45RM LA-EA3 LA-EA4r MB-IV MC-11 EF-E II TLT ROKR MD-NEX KR-NEX DA-NEX
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9 AF-P/Q
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 14:53
Originally posted by QuietOC QuietOC wrote:

Distance encoding is needed for x- and y-axis stabilization. Basically the camera needs to calculate the subject magnification. X- and Y-axis motion doesn't effect objects at infinity. 5-pin lenses only get 3-axis stabilization the same as you get if you manually enter a focal length. 3-axis stabilization is helpful.


So what's the nuance here? It's 5-axis stabilisation for 8-pin lenses?

I've seen this on DPReview forums from a Sony presentation



Are you saying that there is no Pitch/Yaw correction for 5-pin lenses, just Roll, X and Y?

Edited by Howard_S - 28 December 2020 at 15:05
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Post Options Post Options   Quote ganchoo Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 15:03
So do you think Sony A7r II is better option?
Why do you want to sell your Sony A7 III?
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Post Options Post Options   Quote dCap Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 15:22
Originally posted by ganchoo ganchoo wrote:

So do you think Sony A7r II is better option?
Why do you want to sell your Sony A7 III?


how many pixels do you want in your images?
do you print? and if yes, what size? are you wanting to print bigger?

I ruled the A7 R II out as an option for me as I don't crop other than straightening and don't print.
There might also be some video differences in those two models, if video is your thing?
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Post Options Post Options   Quote Howard_S Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 15:24
Originally posted by ganchoo ganchoo wrote:

So do you think Sony A7r II is better option?
Why do you want to sell your Sony A7 III?
If that's addressed to me, I'm not selling the A7 III. I don't need an R-level camera. For me the A7 III is the best E-mount camera I have used.
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 15:55
Originally posted by Howard_S Howard_S wrote:


Are you saying that there is no Pitch/Yaw correction for 5-pin lenses, just Roll, X and Y?

Yes. There is Sony documentation for that. Only 8-pin A-mount lenses get 5-axis on both the A99II and E-mount cameras.

You can look on the Lens Compatibility site. All the 5-pin lenses say:
"Shake compensation is available with 3-axis(Pitch/Yaw/Roll) by SteadyShot INSIDE."
when you select any of the 5-axis bodies.

Edited by QuietOC - 28 December 2020 at 15:59
Sony A7RIV NEX-5T HVL-F45RM LA-EA3 LA-EA4r MB-IV MC-11 EF-E II TLT ROKR MD-NEX KR-NEX DA-NEX
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9 AF-P/Q
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 16:34
TLDR: 5-pin lenses have IBIS, just not as good as 8-pin lenses. And yes, it can be a reason to upgrade.

@ganchoo: I thought you decided on the A7r2. But you cannot go wrong with either, they're both nice cameras. I think only you can decide whether you want better AF or more pixels.

re. selling the A7 III before the A7 IV is released is probably because the price of used A7 III cameras will most likely go down. But I Matthew should answer for himself.

Why not follow me on Instagram? @Addy_101
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Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 16:51
Originally posted by Howard_S Howard_S wrote:

Originally posted by ganchoo ganchoo wrote:

My Minolta AF has 5 pin connectors. I read in Deepreview that you may use IBIS if your lens has 8 pins as for digital cameras. I cannot confirm that as my Sony A7 has no IBIS.
SO BE AWARE when you use A mount lens in E mount body with adapter you must have 8 pins in it.
My old Sigma 105mm f.2.8 macro is with 8 pins. In Minolta lenses there is D at the end to tell you if the lens is for digital cameras and obviously Sony lenses are all with 8 pins.
That's not correct. I have a 5-pin lens (Minolta Af 24-85) and when I mount it on an LA-EA adapter the A7 III camera detects the lens and its focal length and gives IBIS accordingly. I understood the D designation was for distance encoding for flash photography, and not for digital. See the lens glossary here, https://www.dyxum.com/lenses/lens_glossary.asp


That's correct , Howard .
Also it's not true that all Sony A mount lenses have 8 contacts .
Not all do . When they took over from Minolta , some already had 8 contacts , some they added the extra three .
Some they just didn't update and still only have 5 contacts .

It might be that for 5 axis IBIS rather than 3 , it needs the data from a "D" lens .
Even a manual focus lens on a dumb adapter has image stabilization if you enter the focal length correctly .

Edit , I should have refreshed the screen on my phone before quoting you .
Seems it had been cleared up and then some !


Edited by neilt3 - 28 December 2020 at 16:54
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http://www.flickr.com/photos/neilt3/
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 18:21
Originally posted by addy landzaat addy landzaat wrote:


re. selling the A7 III before the A7 IV is released is probably because the price of used A7 III cameras will most likely go down. But I Matthew should answer for himself.

I will add that Sony has rather cyclic pricing. Buy on the downswings and sell on the upswings and bodies don't cost much overall.
Sony A7RIV NEX-5T HVL-F45RM LA-EA3 LA-EA4r MB-IV MC-11 EF-E II TLT ROKR MD-NEX KR-NEX DA-NEX
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9 AF-P/Q
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Post Options Post Options   Quote ganchoo Quote  Post ReplyReply Direct Link To This Post Posted: 28 December 2020 at 19:04
At the moment I can buy Sony A7 III Brant new for £1319 from Infinity camera or £1445 after £300 pay back from Sony any other shop. I do wonder if I have to wait more for price drop even further?
That is I wonder if Sony A7r II is good deal for 42 MP camera at £1079 brand new??
My Sony A7 (first generation) look obsolete in comparison to those newer cameras!
But The old Sony A7 has one unbeatable feature - is is light and small. When I pair it with Samyang 35mm f/2.8 (pancake) it is pleasure to walk around.
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