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Tamron 70-180 vs Sony 70-200 (mark 1)

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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Topic: Tamron 70-180 vs Sony 70-200 (mark 1)
    Posted: 11 January 2023 at 15:54
Hi folks. I have had an a7iii camera for a year and a half now and just upgraded to an a9ii.

I've been using a Tamron 70-180mm f/2.8 lens with the a7iii and it worked great.

It STILL works great with the Sony a9ii.

But I'm aware it only gives me 15fps vs the 20fps that the Sony would give me. I'm thinking about trading it in for the 70-200 mark 1 (I cannot afford the mark 2 unfortunately or this would be a no-brainer!).

Does anyone have any thoughts on this?

Biggest concern is AF performance. Is it much better on the Sony mark 1?

My photography subject is dogs and dog sports (agility mostly). So I'm looking at fast moving subjects that turn quickly.
 



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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: 11 January 2023 at 16:05
I would expect better tracking performance with the Sony mark 1. The 15 to 20 FPS difference is probably much less than the actual tracking difference. People underestimate the magnitude of improvement needed to get somewhat better performance.

The Tamron is a fine lens. I almost regret selling it. I don't think it is worth $1200.
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Post Options Post Options   Quote Hezu Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2023 at 16:18
I also own that Tamron 70-180 and have occasionally tested the Sony FE 2.8/70-200 GM OSSs. I believe the autofocus performance is more or less the same, the biggest difference is in the physical features: the original Sony FE 2.8/70-200 GM is quite heavy (1.4 kg), the newer Sony FE 2.8/70-200 GM OSS II is much lighter (1 kg) and then Tamron 70-180 mm F/2.8 shaves off some more weight being only 800 g and slightly smaller in dimensions compared to these Sonys. Obviously to archive this Tamron has 20 mm less in focal length of the telephoto end and no optical stabilization.
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2023 at 16:23
Yeah I admit I REALLY like the light weight of the Tamron (and Sony mark 2). I don't use optical stabilization in my work at all (on either the camera of the lens) so all of that is not a big deal for what I do.

The weight is one of my worries, though I use a monopod for agility and have handheld the Tamron 150-500 for lure coursing events.

But the AF speed and the fps are my other big concern.

I may have to rent the mark 1 and try it out in comparison. I did shoot with it at one event but I've never shot dock diving before and so I'm not sure how the Tamron would have held up. I do remember my shoulder and arm were hurting by the end of the day (shot for about 8 hours standing on a stop ladder and hand holding so it was A DAY lol).
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2023 at 20:50
I looked at your pictures and saw a lot of running dogs (and a lovely small one in snow a year ago ) it makes sense to get the better fps. For sure.

The Tamron 150-500 is much heavier (and you should write a review for it) but the Tamron 70-180 is much lighter then the Sony 70-200GM mark 1.

You know, I would keep saving for the mark 2 version. I know it is much more expensive, but both the Tamron and the mark 1 are compromises. The one is light, but less reach and slower fps (and maybe AF) the other is heavy. You will end up with the mark 2 in the end. Staying with the Tamron 70-180 until then makes sense IMHO.

But also.... go out and rent it and find out if you feel the difference is significant enough to buy it. Makes a lot of sense.
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2023 at 21:08
Yup dogs in action are definitely my thing!

I've contemplated renting one for the trial I have coming up in February. Debating between renting the mark 1 or mark 2. But there's also a chance I MIGHT be able to trade out the Tamron for the 70-200 mark 1 before that but not sure yet until next week.

So...so many decisions to make!

And I should review the Tamron 150-500. It's really a fantastic and affordable lens. I plan to trade it out though eventually for the Sony 100-400.
 



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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2023 at 21:48
Originally posted by crysania crysania wrote:

And I should review the Tamron 150-500. It's really a fantastic and affordable lens. I plan to trade it out though eventually for the Sony 100-400.
Why? If you upgrade that one to the Sony version, do you still need the 70-200? You have one light lens and the other is the highest fps!
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 11 January 2023 at 21:55
Originally posted by addy landzaat addy landzaat wrote:

Originally posted by crysania crysania wrote:

And I should review the Tamron 150-500. It's really a fantastic and affordable lens. I plan to trade it out though eventually for the Sony 100-400.
Why? If you upgrade that one to the Sony version, do you still need the 70-200? You have one light lens and the other is the highest fps!


Yes...I need an f/2.8 lens for indoor agility shooting. The 100-400 is great, but most of my agility photography is indoors in crappy light. So I need that f/2.8. And I sure can't afford the 400mm f/2.8 (which would be FANTASTIC but way beyond my means!).

Outdoors I shoot things like FastCAT and lure coursing (and some agility) and the 100-400 will be awesome for that. It's the indoor stuff I need the 70-200 for.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 12 January 2023 at 06:26
I guess you answered your own question.... you need an f/2.8 in difficult situations.
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Post Options Post Options   Quote Hezu Quote  Post ReplyReply Direct Link To This Post Posted: 12 January 2023 at 08:09
As you mention a wish to get also 100-400 GM, I think it is worth to mention that Sony 70-200 GMs allow using teleconverters, so with 2 TC you could get also 140-400 mm F5.6 "lens".
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 12 January 2023 at 15:43
I didn't answer my own question. My question is trade the Tamron 70-180mm f/2.8 for the Sony 70-200mm f/2.8 (mark 1) or not worth it?

And yeah I know they can use teleconverters...but I hear lousy things about the 2x ones. I mean, I could manage to afford the 70-200 mark 2 if I sold both of my lenses (Tamron 70-180 and Tamron 150-500) but I don't think I want to deal with the teleconverter for shooting fast action sports. Some of the dogs I shoot run at over 30mph!
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Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 12 January 2023 at 17:40
Teleconverters reduce the AF sensing, but they don't slow down the focusing motors on these lenses.

I use the 1.4X with the 200-600 G. The 2X should work better on the 70-200 GMs.
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Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 12 January 2023 at 20:19
Originally posted by crysania crysania wrote:

I didn't answer my own question. My question is trade the Tamron 70-180mm f/2.8 for the Sony 70-200mm f/2.8 (mark 1) or not worth it?
Yes, I know. Maybe I was unclear. You want the best AF in bad light and, because of the speeds, 30fps is desirable - that is the Sony. IMHO. But it is your question, you decide when it is answered
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Post Options Post Options   Quote crysania Quote  Post ReplyReply Direct Link To This Post Posted: 14 March 2023 at 01:17
An update: I did my first professional agility trial. I rented the 70-200mm f/2.8 II. And then made enough money off the trial to purchase the lens. So I now have the mark 2 and I LOVE it!
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