Sigma 17-70mm f/2.8-4 DC Macro OS HSM


stevewebb

Link Posted 27/12/2013 - 18:47
Hi all.

I have a Pentax K30 and I'm looking at getting a lens upgrade. I have seen a Sigma 17-70mm f/2.8-4 DC Macro OS HSM Lens

Would this be a good buy or can anyone recommend something else?

I mainly take landscapes and now got into star and night photography using bulb settings etc.

Many thanks

Steve
Pentax K30 - Sigma 28mm f2.8 - Pentax 50mm f2.0 - Pentax 17-55mm WR - Sigma 17-70mm DC OS f2.8

AndrewA

Link Posted 27/12/2013 - 18:51
The Sigma is a great lens and if you are buying to replace your kit lens then It is a good choice in my view.

There is also the Tamron 17-50 f2.8, another superb lens and great for low light and night shots.

Hope this helps.
Andrew

"I'm here because the whiskey is free" - Tyla

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punkrockemo

Link Posted 27/12/2013 - 18:54
I have an older version and have found it very good, a notable improvement over the kit lens.

stevewebb

Link Posted 27/12/2013 - 18:55
All the reviews i have read look very good I took this photo the other night with the 18-55mm standard kit lens

Pentax K30 - Sigma 28mm f2.8 - Pentax 50mm f2.0 - Pentax 17-55mm WR - Sigma 17-70mm DC OS f2.8

Smeggypants

Link Posted 28/12/2013 - 00:59
punkrockemo wrote:
I have an older version and have found it very good, a notable improvement over the kit lens.

I have the older version too and love it to bits. Superb value for money. very very crisp, very close focus and one of my most used all rounders.

And yes it's leaps and bounds ahead of the Pentax kit lens.

If you get one, don't forget to check the AF calibration for it in the cam though.
[i]Bodies: 1x K-5IIs, 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283

sbrads

Link Posted 28/12/2013 - 10:21
It's soft at 17mm until f8 but from 20-70mm my older version is quite sharp even wide open and prime quality at around f4 - f5.6. Never seen any purple fringing. The only thing that could be better at the price is AF decisiveness in low light (on a K-30) although it still beats the kit lens, but I imagine the newer HSM one fixes that.

Smeggypants

Link Posted 28/12/2013 - 17:25
sbrads wrote:
It's soft at 17mm until f8 but from 20-70mm my older version is quite sharp even wide open and prime quality at around f4 - f5.6. Never seen any purple fringing. The only thing that could be better at the price is AF decisiveness in low light (on a K-30) although it still beats the kit lens, but I imagine the newer HSM one fixes that.

Mine isn't.
[i]Bodies: 1x K-5IIs, 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283
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