Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter

Started Jun 2, 2016 | Discussions
rich07 Regular Member • Posts: 130
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
1

jezzad wrote:

Rich, that's an f4 lens, similar to Sony's 16-70. Fuji do have an f2.8 lens, but it is much bigger, heavier and more expensive. The Sony equivalent to this is the 24-70mm f4 on an A7.

Hi it's actually an f2.8-4 with OIS, sharp, reasonably sized, inexpensive... which is good enough.

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jezzad Regular Member • Posts: 224
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter

If it's good enough for you, that's great. But most serious photographers like zooms with constant apertures throughout the range.

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rich07 Regular Member • Posts: 130
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
2

jezzad wrote:

If it's good enough for you, that's great. But most serious photographers like zooms with constant apertures throughout the range.

I think it might be time for school now...remember to practice those numbers.

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jezzad Regular Member • Posts: 224
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
1

Nothing like getting petty after losing an argument

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rich07 Regular Member • Posts: 130
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
1

jezzad wrote:

If it's good enough for you, that's great. But most serious photographers like zooms with constant apertures throughout the range.

Yeah your response really wiped the floor. Perhaps you should change your user name to 'jezzad (serious photographer, pro)'. Then we'd all know your calibre.

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Vermont3133
Vermont3133 Contributing Member • Posts: 997
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
2

jezzad wrote:

If it's good enough for you, that's great. But most serious photographers like zooms with constant apertures throughout the range.

Most serious photographers would be happy to have anything that is half decent  with a shutter..a lens..and a sensor.

From all reports the 17-70mm Contemporary is a more than half decent....and if somebody cant do something interesting at 70mm @f/4 they should trade in their serious gear for an iPhone

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Arneb Contributing Member • Posts: 525
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter

DXOMark

The Sigma 17-50 2.8-4 looks pretty decent...

grasshpr
grasshpr Contributing Member • Posts: 540
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
2

Arneb wrote:

grasshpr wrote:

rocketjacket wrote:

Wondering what the experience of using the Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter is like on an a6000.

Any issues with the lens stabilation? Or any other issues?

I've got the sigma 17-70mm contemporary and MC-11 with the a6300. The sigma 17-70mm is very sharp, which is one of the main reasons why I wanted to explore this direction rather than purchase the super expensive sony 16-70mm. In terms of autofocus, it is pretty snappy in acquiring focus, and the focus accuracy is very good. (...)

So, in short, it seems like a great lens on the a6300!

Have you also tested it on the a6000? Many forum members (like me) haven't yet upgraded :).

I'm also interested in the performance of the a6000 + MC-11 + Canon 10-18 STM. Canon's WA is quite a bit cheaper than the Sony one...

Do you also know whether the AF-C in video works (probably really different results between a6000 and a6300)?

On the A6000, the autofocus is very good, and is faster than if you used the viltrox ii adapter.  In terms of autofocus speed compared with the A6300, the combo with A6000 isn't as fast, but I suspect that has to do with the improved focusing speed of the camera and not of the adapter.  If your looking to use canon 10-18 STM for the MC-11, you will be disappointed because EF-S lenses won't mechanically fit on the MC-11 adapter.

I just tried using AF-C for video on the A6300, and it doesn't work with MC-11.  I personally don't do video on my a6300, but I'm sure others would have like this feature.  Hope this helps.

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Arneb Contributing Member • Posts: 525
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter

grasshpr wrote:

Arneb wrote:

grasshpr wrote:

rocketjacket wrote:

Wondering what the experience of using the Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter is like on an a6000.

Any issues with the lens stabilation? Or any other issues?

I've got the sigma 17-70mm contemporary and MC-11 with the a6300. The sigma 17-70mm is very sharp, which is one of the main reasons why I wanted to explore this direction rather than purchase the super expensive sony 16-70mm. In terms of autofocus, it is pretty snappy in acquiring focus, and the focus accuracy is very good. (...)

So, in short, it seems like a great lens on the a6300!

Have you also tested it on the a6000? Many forum members (like me) haven't yet upgraded :).

I'm also interested in the performance of the a6000 + MC-11 + Canon 10-18 STM. Canon's WA is quite a bit cheaper than the Sony one...

Do you also know whether the AF-C in video works (probably really different results between a6000 and a6300)?

On the A6000, the autofocus is very good, and is faster than if you used the viltrox ii adapter. In terms of autofocus speed compared with the A6300, the combo with A6000 isn't as fast, but I suspect that has to do with the improved focusing speed of the camera and not of the adapter. If your looking to use canon 10-18 STM for the MC-11, you will be disappointed because EF-S lenses won't mechanically fit on the MC-11 adapter.

I just tried using AF-C for video on the A6300, and it doesn't work with MC-11. I personally don't do video on my a6300, but I'm sure others would have like this feature. Hope this helps.

This helps a lot! Thank you very much. It's great to know that the Sigma works well on the a6000 too.

Maybe I'm asking a bit much, but may I ask: how fast is it exactly on the a6000? Around a tenth of a second, like native lenses, around half a second, or more? I suppose AF-C in photo mode doesn't work, as it also doesn't work in video mode?

grasshpr
grasshpr Contributing Member • Posts: 540
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
1

This helps a lot! Thank you very much. It's great to know that the Sigma works well on the a6000 too.

Maybe I'm asking a bit much, but may I ask: how fast is it exactly on the a6000? Around a tenth of a second, like native lenses, around half a second, or more? I suppose AF-C in photo mode doesn't work, as it also doesn't work in video mode?

If its in AF-C and the lens is close to be in the range of focus, it's about a tenth of a second to acquire focus.  If your completely out of focus range, it will take about 0.5-1 second under good light.  If the lighting is poor, the lens and adapter switches to contrast detection and it can take a couple of seconds for autofocus.

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oklaphotog Senior Member • Posts: 1,093
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
3

jezzad wrote:

Sony will never release an APSC 17-55 f2.8 or similar lens because that would be exactly the same size and price and quality as for example an A7 with 24-70 f4

No way. Tamron sells a 17-50/2.8 VC that is $650 in other mounts which is a good lens. Sony could easily sell one for less than a new A7 series body plus a 24-70/4. Heck Sony has rebaded enough Tamron lenses in the past they could probably rebadge that one if they wanted.

rocketjacket
OP rocketjacket Regular Member • Posts: 192
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter
3

I went into the camera store on Friday and had a play with the 17-70 Sigma lens and MC-11 adapter. Also had a play with the Zeiss 16-70 f/4. I left the store confused without either lens, it was sad.

Went back the next day and purchased the Sigma and the converter. I love it. The AF is just perfect, OS great. Its not as good with the AF transitions in video (the Ziess smokes it) but the close up macro shots are fantastic, not as good as the Olympus 12-40 f2.8, but hey I have a larger mid range faster lens. I am really happy so far.

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grasshpr
grasshpr Contributing Member • Posts: 540
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter

Congrats on the purchase.

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jango Forum Member • Posts: 52
Re: Sigma 17-70mm f/2.8-4 Dc and MC-11 Converter

a discussion about this issue:

http://www.dpreview.com/forums/post/57786540

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ttran88
ttran88 Senior Member • Posts: 2,844
How has the experience been

Hi all how's the combo holding up in regards to AF?

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Too legit to quit.

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rocketjacket
OP rocketjacket Regular Member • Posts: 192
Re: How has the experience been

Interesting you should ask.

Well the weight of the camera became an issue and although it worked with the AF, it was twice as slow as a native lens. We are talking less than a second but when you are used to the very fast AF of the a6000, anything slower seems very slow. So I returned the lens and converter and picked up a used 16-70 f/4 Zeiss.

The AF is great, but I cant see why its so expensive. Is it so much better that the 18-105?

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Vermont3133
Vermont3133 Contributing Member • Posts: 997
Re: How has the experience been

rocketjacket wrote:

Interesting you should ask.

Well the weight of the camera became an issue and although it worked with the AF, it was twice as slow as a native lens. We are talking less than a second but when you are used to the very fast AF of the a6000, anything slower seems very slow. So I returned the lens and converter and picked up a used 16-70 f/4 Zeiss.

The AF is great, but I cant see why its so expensive. Is it so much better that the 18-105?

Nup..probably neck and neck..and it's smaller.

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ttran88
ttran88 Senior Member • Posts: 2,844
Re: How has the experience been

From my experience with Sony Zeiss lenses, color and bokeh is better than the regular Sony lenses. Also the 18-105 is a power zoom I believe, that would annoy me. Thanks for the update. I'm probably going to pick up the 16-70mm too.

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cxsparc
cxsparc Veteran Member • Posts: 3,673
Re: How has the experience been

rocketjacket wrote:

Interesting you should ask.

Well the weight of the camera became an issue and although it worked with the AF, it was twice as slow as a native lens. We are talking less than a second but when you are used to the very fast AF of the a6000, anything slower seems very slow. So I returned the lens and converter and picked up a used 16-70 f/4 Zeiss.

The AF is great, but I cant see why its so expensive. Is it so much better that the 18-105?

IF (!) you get a good copy of the 1670, then it is a bit smaller and lighter, has less distortion and goes wider to 16 mm.

The 18105 on the other hand has more tele, allows lower DOF therefore, is internal zoom so no dust sucker, is less expensive, sharper at the sides in the telerange and is also great for video.

Mechanical zoom versus powerzoom of the 18105: In my 1670 copy the mechanical operation was stiff with a well noticable point in between requiring more strength. The 8105 on the otherhand is silky smooth. For me personally, the power zoom is the better on in this case, but others may differ.

The big thing with the 1670 though is a) risk of getting a decentered one and b) the risk of getting  a copy with poor side sharpness. If you get a copy without both issues, it is a fine lens.

For me personally, I got rid of the 1670 and kept the 18105, because that lens is much more fun to me. But I have already explained that in my blog review & comparison.

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jezzad Regular Member • Posts: 224
Re: How has the experience been

Glad you are sorted!

Hate to say I told you so, there are too many sigma fanboys on this forum...

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