Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

Started Sep 23, 2013 | Discussions
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Gangstar
Gangstar Contributing Member • Posts: 533
Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

After upgrade to a99 my finances are under a little pressure so I was considering the tamron 24-70 rather than the ziess.

Has anyone gone down this path and were they pleased with the lens..DXO mark suggests very little difference in IQ and one member on dyxum says the tamron has better low light af...

If you have this lens can you share a couple of sample shots....

 Gangstar's gear list:Gangstar's gear list
Sony Alpha a99 Sony Alpha a6300 Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Sigma 500mm F4.5 EX DG HSM Carl Zeiss Touit 1.8/32 +1 more
busch
busch Forum Pro • Posts: 31,756
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

You might want to also look at the Sigma 24-70 HSM. I use mine a lot and find it very close to the CZ except for the price.

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Busch
Take the scenic route! Life is too short to do otherwise.
My Photos

 busch's gear list:busch's gear list
Sony Cyber-shot DSC-R1 Panasonic Lumix DMC-ZS7 Sony RX10 III Sony a77 II Sony 70-200mm F2.8 G +12 more
1DanC Regular Member • Posts: 282
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70
1

I bought the lens for my A77, it's a Di lens so it is designed for Full frame and consequently there is a lot of glass. Holding it, the weight tends to cause the front of the camera to want to fall forward and because of the placement of the focus ring, the way you need to support it, it can sometimes cause you to bump it out of focus.

Other than that, image quality is just beautiful, I haven't had to use any internal focus correction and the focus is fast quiet and pin sharp. It's not ultra wide or long so think about what you want to use it for.

My motivation was to get more out of the video capability of the A77 since I was recording the noise of the focussing with my DT lens.

I posted some 100% crops recently

http://www.dpreview.com/forums/thread/3544827

Dan C

 1DanC's gear list:1DanC's gear list
Sony Alpha DSLR-A700 Sony SLT-A77 Sony DT 18-250mm F3.5-6.3 Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Tamron SP AF 90mm F/2.8 Di Macro
JamieTux Veteran Member • Posts: 3,900
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

Hi Phil,

Zeiss lenses have their own look which I personally love, but others are as good or similar in most measurable ways.  If you want to save a few pounds the 28-75 f2.8 is a pretty good lens and the Sony retains use of AF-D too.

 JamieTux's gear list:JamieTux's gear list
Nikon D750 Nikon 1 J5 Nikon AF-S Nikkor 85mm f/1.8G Nikon 1 Nikkor 18.5mm f/1.8 Nikon 1 Nikkor VR 10-30mm f/3.5-5.6 PD-Zoom +5 more
Atgard
Atgard Regular Member • Posts: 432
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

For what it's worth, I did a bit of unscientific testing with my KM 28-75/2.8D against the Zeiss 24-70/2.8. At roughly 8x the price, I wasn't able to notice any significant difference between them in IQ (the Zeiss was much quieter and much heavier).

(The KM, Tamron, and Sony versions of the 28-75/2.8 are all supposed to be optically identical.)

 Atgard's gear list:Atgard's gear list
Sony SLT-A37 Sony a77 II Sony 70-400mm F4-5.6 G SSM
Atgard
Atgard Regular Member • Posts: 432
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

I uploaded the side-by-side comparison shots I mentioned above here:

http://www.dpreview.com/forums/thread/3496215?page=2#forum-post-52213236

 Atgard's gear list:Atgard's gear list
Sony SLT-A37 Sony a77 II Sony 70-400mm F4-5.6 G SSM
9000AF Contributing Member • Posts: 588
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

Atgard wrote:

For what it's worth, I did a bit of unscientific testing with my KM 28-75/2.8D against the Zeiss 24-70/2.8. At roughly 8x the price, I wasn't able to notice any significant difference between them in IQ (the Zeiss was much quieter and much heavier).

I agree, I used the Tamron 28-75 on the A77 and A99. My copy is just terrific, it's a little weaker than the 24-70 options at f/2.8 but from f/4 on you'd be hard-pressed to spot the difference. I very much prefer the lighter weight and smaller size of the 28-75 over the 24-70mm lenses.

 9000AF's gear list:9000AF's gear list
Sony RX100 Sony Alpha 7 Sony a77 II
Gangstar
Gangstar OP Contributing Member • Posts: 533
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

JamieTux wrote:

Hi Phil,

Zeiss lenses have their own look which I personally love, but others are as good or similar in most measurable ways. If you want to save a few pounds the 28-75 f2.8 is a pretty good lens and the Sony retains use of AF-D too.

Cheers all I will see if i can hunt down one of the above....at the right price if the prices are too high i will just go with the tam 24-70 2.8

 Gangstar's gear list:Gangstar's gear list
Sony Alpha a99 Sony Alpha a6300 Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Sigma 500mm F4.5 EX DG HSM Carl Zeiss Touit 1.8/32 +1 more
Gangstar
Gangstar OP Contributing Member • Posts: 533
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

In fact these 28-75mm 2.8 lenses appear to be rare in uk.....

 Gangstar's gear list:Gangstar's gear list
Sony Alpha a99 Sony Alpha a6300 Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Sigma 500mm F4.5 EX DG HSM Carl Zeiss Touit 1.8/32 +1 more
JamieTux Veteran Member • Posts: 3,900
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

Gangstar wrote:

In fact these 28-75mm 2.8 lenses appear to be rare in uk.....

They didn't used to be - they were part of the a99 kit though I think. Where have you looked so far?

EDIT:
I used these guys a lot until I moved out of the area

http://www.castlecameras.co.uk/tamron-sp-af-28-75-f28-xrdi-for-sony-alpha

http://www.castlecameras.co.uk/sony-dslr-lens-28-75mm-f28-d-sam

Jessops are showing both as in stock now too.

 JamieTux's gear list:JamieTux's gear list
Nikon D750 Nikon 1 J5 Nikon AF-S Nikkor 85mm f/1.8G Nikon 1 Nikkor 18.5mm f/1.8 Nikon 1 Nikkor VR 10-30mm f/3.5-5.6 PD-Zoom +5 more
Gangstar
Gangstar OP Contributing Member • Posts: 533
Re: Tamron 24-70 mm F/2.8 SP USD Di vs cz 24-70

Thanks James I was looking for used k-minolta 28-75s i should be able to find these tams

cheers...

JamieTux wrote:

Gangstar wrote:

In fact these 28-75mm 2.8 lenses appear to be rare in uk.....

They didn't used to be - they were part of the a99 kit though I think. Where have you looked so far?

EDIT:
I used these guys a lot until I moved out of the area

http://www.castlecameras.co.uk/tamron-sp-af-28-75-f28-xrdi-for-sony-alpha

http://www.castlecameras.co.uk/sony-dslr-lens-28-75mm-f28-d-sam

Jessops are showing both as in stock now too.

 Gangstar's gear list:Gangstar's gear list
Sony Alpha a99 Sony Alpha a6300 Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Sigma 500mm F4.5 EX DG HSM Carl Zeiss Touit 1.8/32 +1 more
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