Originally posted by DennisH Yeah, the DA 21 was my original choice for a wide angle, and I'm still sort-of considering it, but I figured the Sigma gets very good reviews here, and I have the versatility of ultra-wide ability.
I do like the idea of a 21, 40 and 70 Limited collection, I have to admit.
So you think 21mm is "wide enough" for most landscape photography?
Frankly I got it to get group shots of indoor events and parties. That is where I use it mostly paired with the FA43. A nice small package. But, I took the DA21 and FA43 with my K-7 to Vegas, and loved it. I didn't think I wanted anything wider. IMO, DA21 with IQ cannot compete with any of the other DA/FA limiteds, but it is still great. If you compare the DA21 with even the zeiss wideangles, it is still great. So, I think it can't compete with the other limiteds due to it's focal length and is excellent to most other lenses of similar focal length . So, don't expect IQ comparable to your DA40. But, the focal length and size is divine.
I have the sigma 10-20, but rarely use it. I feel comfortable shooting with the sigma 100-300 than the 10-20...but, the 10-20 is an amazing lens, but it is just fat an unweilding. I enjoy photography more when the DA21 is mounted (compared to 10-20), and I guess that's what matters. The DA40 will be in the pocket , and that is a killer combo.
But, I keep the 10-20, because when you need the 10, you need it. However, I would say that from my limited experience the 21 is wide enough for most landscapes. I know of a member here (or DPR) who uses the DA21 and the FA43 (like me) and does a lot of landscapes and he seems to love the combo too.
P.S: if you want , I can take some shots over the wknd with sigma 10-20 at 20 and the DA21. Nothing fancy, just the backyard and one interior shot. Let me know.