New Lens Arrives


MX veteran

Link Posted 09/01/2008 - 18:05
Got home today to find my neighbour had taken delivery of my Sigma
10-20mm.
I had to make him a cup of tea to get it off him though!
The trouble is it's too dark to try it out, I'll have to wait till tomorrow.
It's quite bulky beast and looks to very well put together, so I'm looking forward to years of use.
K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

Mr. Ist

Link Posted 09/01/2008 - 22:56
Ditto!

Terribly excited about it. A big thank you goes to SRS Microsystems for a very efficient service!

susanc

Link Posted 10/01/2008 - 07:52
I feel your excitement. Mine is due for delivery today, also from SRS. Praying for some decent weather in Glasgow.

kingweasel

Link Posted 10/01/2008 - 13:38
I'm sure it will be worth the wait. I got a Sigma 10-20mm just before Xmas and it was excellent to use on the landscapes on holiday.

MX veteran

Link Posted 10/01/2008 - 16:58
Due to work I still haven't had chance to try it yet.
Can't wait for the weekend.
K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

MX veteran

Link Posted 10/01/2008 - 20:40
Should I expect a similar level of quality from the Sigma at 20mm as the Pentax 18-55mm at 20mm.
What differences might I expect to find?
If any one has made any comparisons can you let me know as I tried a few shots in the house with flash and I am not overwhelmed to be honest.
Does anyone know of any quality control issues with the Sigma 10-20
K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

niblue

Link Posted 10/01/2008 - 21:08
I doubt I'd be overwhelmed by any ultra-wide using with flash around the house - be it a 300 Sigma or a 3000 Leica...

Why don't you wait until you can try the lens properly before you get too worried.

I've seen some stories about de-centred Sigma 10-20's but it seems to be reasonably rare (given Sigma must be selling a lot of these lenses). There are quite a few owners on here (including me) and I think most (perhaps all) have been happy with theirs.

iceblinker

Link Posted 10/01/2008 - 22:01
I have both lenses and don't find the 10-20 overwhelmingly better than the 18-55 at 20mm.

However, the fact that it goes down to 10mm (and with minimal distortion) and produces generally good results delights me. Some of favourite photos were taken with this lens - and I could not have afforded anything else that would do the same or better when it comes to the wide end.

The Sigma's resolution at 20mm is similar to the Pentax's at 18mm according to Photozone. See:

www.photozone.de/8Reviews/lenses/pentax_1855_3556/index.htm
www.photozone.de/8Reviews/lenses/sigma_1020_456_pentax/index.htm
~Pete

MX veteran

Link Posted 13/01/2008 - 01:13
Not a great pic I know but one to check the focus, of which I am not sure. Is this acceptable for Sigma 10-20mm



K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

robby

Link Posted 13/01/2008 - 01:40
Hi MX - looking at the exif - 1/500, f4, 200 at 10mm - and at the pic and realising that I'm new at this too - I'd say the lens was good. I read about some left and right edge soft focus issues but from what I can see yours looks a bit soft but OK.
Get out of the woods and try taking some snaps in good light of some buildings near you and post them up to let us see.

This lens is the most expensive I've bought but money well spent - it's my most used.

MX veteran

Link Posted 13/01/2008 - 01:46
Many thanks for the reply, I purposely shot it at f4 because it is a bit extreme. Another at f8 is better I feel, but you have comforted me. Today was the first day since I got the thing that I have been able to use outside and it was near home before I went to work. Yes, the local buildings will get some attention soon. Have you seen tomorrows forecast ?
Maybe next week then!
K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

iceblinker

Link Posted 13/01/2008 - 02:09
Parts of the pcture look sharp to me - particularly the second front tree from the left (with the whitish bark), towards the top.

The lens could be faulty for all I know, but I suspect the focusing and aperture and post-processing could have been better to make a sharper picture altogether.

I've posted a few of my pictures with this lens at 10mm at www.pentaxuser.co.uk/forum/viewtopic.php?p=49386#49386
~Pete

MX veteran

Link Posted 22/01/2008 - 12:58
Still not sure of the sharpness of the lens, but I haven't been out much.
Please comment on the quality of the lens in this pic, taken at 10mm f8



K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses

Nimitz

Link Posted 22/01/2008 - 13:01
Was this tripod mounted? I see you have a 1/15 shutter speed. To slow to get decent images without a tripod - If you want to judge the sharpness.....
www.mieritz.net

MX veteran

Link Posted 22/01/2008 - 13:06
No tripod, but shake reduction on, which should be good enough for 10mm @ 1/15
K100D Super, 18-55, 50-200, Sigma 10-20, Sigma 70mm macro and lots of old lenses
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