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sony zeiss 35mm 2.8 problems

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bigsi View Drop Down
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Topic: sony zeiss 35mm 2.8 problems
    Posted: 06 June 2019 at 19:33
Hi all, I'm hoping someone can help.

I have an A7m3 and the problem is that the camera is making ticking noises and wont recognise the 35mm when attached. The iris opens and closes and the aperture setting on the rear reads f--. When I go to steady shot settings and change to auto it says no lens attached. I'd previously been using a tamron 90mm on the lea 3 if that has any bearing too.

I've tried reseting and re initialising but there is no change.

Any ideas?

Edit- I should add that it had a bit of a ding last week when it fell a couple of inches as I removed it from my bag, but it has worked fine since...

Edited by bigsi - 06 June 2019 at 19:37
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QuietOC View Drop Down
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 06 June 2019 at 19:46
My FE 50 F1.8 acted like that when the focus mechanism competely jammed. E-mount cameras seem to be good at giving up before something breaks (unlike say blown SSM fuses in A-mount). My lens and camera work fine now after I cleaned the lens. Your lens probably needs a mechanical repair.
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bigsi View Drop Down
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Posted: 06 June 2019 at 19:58
Thanks, I was worried that would be the case, I've only had it a couple of weeks, gutted!
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Post Options Post Options   Quote nervus_opticus Quote  Post ReplyReply Direct Link To This Post Posted: 06 June 2019 at 21:20
If the repair-cost seems too high, you could alternatively go for the Samyang/Bower/Rokinon AF 35mm/2.8. - This lens is not too bad at all. F i look for all the nice forum-pics Pegelli made with it!
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Posted: 06 June 2019 at 21:50
Thanks, but as I bought it new a couple of weeks ago, I'm hoping to get it sorted under warranty. I'll bear that in mind though.
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Posted: 07 June 2019 at 12:33
Well the lens seems to have "got better". If it happens again I'll get it checked out but everything looks ok with none of yesterdays funny behaviour, so fingers crossed.
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Post Options Post Options   Quote pegelli Quote  Post ReplyReply Direct Link To This Post Posted: 07 June 2019 at 12:35
Next time it happens I would clean the contacts (body and lens) and see if that solves the problem.
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bigsi View Drop Down
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Posted: 07 June 2019 at 18:05
I tried that, not sure if it helped but about 30 mins after I'd cleaned the contacts everything started working again.

One thing I've noticed (being a newbie to fe mount) is how easily dust gets onto the sensor. I'm wondering if my "all prime" plans for my A7 was such a good idea and using zooms instead (or in certain situations) to avoid as many opportunities for muck to get in.
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Post Options Post Options   Quote stiuskr Quote  Post ReplyReply Direct Link To This Post Posted: 07 June 2019 at 20:18
Maybe (or do you?) you should make using a rocket blower part of your lens swapping routine?
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Posted: 07 June 2019 at 20:26
I have two, one ended up being the best dog toy ever, the other will be living in my bag from now on
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Post Options Post Options   Quote maewpa Quote  Post ReplyReply Direct Link To This Post Posted: 08 June 2019 at 06:27
It sounds like the communication between lens and camera, which can be due to dirty contacts but also due to a fault in the electronics. If it is, then it might recur at any time and so it might be worth asking for another copy if that is an option for you. I don't think this is normal with a new lens.

But I don't know.... When similar happened to me (quickly becoming permanent) that is what it was and the lens was returned without problems. When exactly the same happened to me with an old lens a quick clean of contacts and reseating solved it and it never happened again. I personally can't see how you could tell which case it is - just drawing attention to the bad scenario. In reality, I would likely take the optimistic view myself and soldier on but I suspect that is the wrong thing to do.

Neither lens was a 35/2.8 by the way.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 08 June 2019 at 08:11
Originally posted by bigsi bigsi wrote:


One thing I've noticed (being a newbie to fe mount) is how easily dust gets onto the sensor. I'm wondering if my "all prime" plans for my A7 was such a good idea and using zooms instead (or in certain situations) to avoid as many opportunities for muck to get in.

I do not find it that bad. It might be a little worse then a SLT but not by much imho. You could use the blower every time you change a lens, but I do not think that is necessary. I usually use the blower when I see spots in my pictures.

One problem I have is that a raindrop fell on my A6000 and nobody on the island of Samos can clean it
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Posted: 14 June 2019 at 20:37
Originally posted by maewpa maewpa wrote:

It sounds like the communication between lens and camera, which can be due to dirty contacts but also due to a fault in the electronics. If it is, then it might recur at any time and so it might be worth asking for another copy if that is an option for you. I don't think this is normal with a new lens.

But I don't know.... When similar happened to me (quickly becoming permanent) that is what it was and the lens was returned without problems. When exactly the same happened to me with an old lens a quick clean of contacts and reseating solved it and it never happened again. I personally can't see how you could tell which case it is - just drawing attention to the bad scenario. In reality, I would likely take the optimistic view myself and soldier on but I suspect that is the wrong thing to do.

Neither lens was a 35/2.8 by the way.


Thanks, also being an optimist I'm soldiering on, a week on and no problems, I think it was probably some dirt on the contacts.
You win or you learn, I seem to be doing a lot of learning....
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Post Options Post Options   Quote bigsi Quote  Post ReplyReply Direct Link To This Post Posted: 14 June 2019 at 20:41
Originally posted by addy landzaat addy landzaat wrote:

Originally posted by bigsi bigsi wrote:


One thing I've noticed (being a newbie to fe mount) is how easily dust gets onto the sensor. I'm wondering if my "all prime" plans for my A7 was such a good idea and using zooms instead (or in certain situations) to avoid as many opportunities for muck to get in.

I do not find it that bad. It might be a little worse then a SLT but not by much imho. You could use the blower every time you change a lens, but I do not think that is necessary. I usually use the blower when I see spots in my pictures.

Thanks addy, I'll put it down to a learning experience.

One problem I have is that a raindrop fell on my A6000 and nobody on the island of Samos can clean it


On the body or the sensor? Does the A6000 have weather sealing? Either way thats a bit of a bummer, hope its ok now.
You win or you learn, I seem to be doing a lot of learning....
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