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02-22-2013, 12:45 PM   #1
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Undecided about lenses with 400 to spend

Hello. I think I've decided to stay with my Pentax K-5 II camera, and now I'm thinking about lenses. I already bought a Sigma 30mm F1.4 lens for it, and I mostly shoot in the wide side. I had a telephoto lens for my Canon, but I never used it so I ended up selling it. I also sold the Pentax 18-135mm. Now I'm looking for something wide. After I sell my OM-D I'm looking to spend 400 in a lens, and I know this might be hard because Pentax lenses seem to sell for more money. I've been reading about different lenses on the database, and think I've spent many hours if I add up all the time I've been reading.

I'm so undecided on what lens though. Here are my choices:

Tamron 10-24mm
Pentax 16-45mm
Pentax 18-55mm WR

I really would like a super wide lens, but I can't pay for them right now. I wish the Tokina 11-16 F2.8 was available for Pentax. I like that the Tamron at 10 it's F3.5. The Pentax 16-45mm has a nice range, and the price seems right, which could leave me some extra money for a manual 50mm lens, and maybe the Pentax 360 flash. I just don't like that it's F4. The Pentax 18-55mm WR is tempting to me because of the WR. I'm going to Mexico this summer, and they have rainy summers. I would also have extra money for the flash, and a manual Pentax lens. If only the Pentax 14mm and 15mm primes were cheaper. The 15mm seems nice because it's lighter.

I only have one question. I'm wondering how focusing is with the Pentax K-5 II? The reason I sold the Pentax 18-135mm was because it seemed to struggle with my Pentax K-5 II, it doesn't show it's focusing abilities. I was surprised to see the Pentax being able to focus in near darkness with the Sigma 30mm. :O

02-22-2013, 02:08 PM   #2
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Lens choice is always subjective. And personal, as nobody else can tell your style or preferences.

As to your choices:
re the Pentax 18-55 WR , you should have kept the 18-135WR, I think it is a better lens all around. And I've never had any focusing issues with it on k-x or k-5. Maybe you needed to get used to it or the camera, there is a learning curve with any new camera.

re the Pentax 16-45 f/4 this is a well regarded lens and sits between the kit lens and the DA*16-50 as far as Pentax is concerned. A step up from the 18-55 but not too expensive.

re the Tamron 10-24 this is well regarded by many, and disliked by some, which might indicate sample variation. or might be the UWA takes some getting used to for some.

I'm not really sure what you are asking, the lenses you list are not really comparable and then you want to get a 50mm and a flash too? You need to figure out what you want to accomplish before asking random questions, all you are going to do is confuse yourself even more.

The question you have to ask is "What do I want to do that I cannot do with my current kit?" Then worry about what kit you need.
02-22-2013, 02:51 PM   #3
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Well I wanted opinion about these lenses with a Pentax K-5 II. The Sigma 30mm is too close for me, but wanted the lens for low light. I'm usually always using the 16-24mm range. I like the perspective of the ultra wide angle, which is why I'm also thinking of the Tamron. I wasn't happy with the Pentax 18-135 WR lens because of focusing at night. It seemed to struggle, and wouldn't lock focus. During the day was a different story, and would focus very quickly.

What I can't do with what I currently have is get more in the picture, which is why I want something wider. If it's a wide zoom then it would probably be slow, which is why I want a flash to bounce it.
02-22-2013, 03:03 PM   #4
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Shouldn't it be possible to get the Pentax 15mm used for that price?

02-22-2013, 03:15 PM   #5
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The tamron isn't sharp around the edges at the wide end until F8. You might consider if the Sigma 8-16 or 10-20something is in your budget
02-22-2013, 03:27 PM   #6
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QuoteOriginally posted by Clinton Quote
The tamron isn't sharp around the edges at the wide end until F8. You might consider if the Sigma 8-16 or 10-20something is in your budget
That's what i read too, and opted for the sigma 10-20.
Also, there's a 17-35, which might suit you. Not sure about iq on that.
02-22-2013, 03:43 PM   #7
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I've seen the 15mm for around 500 - 600. I think that's too much.

I didn't know about the 17-35mm. :O It seems like it's hard to find though.

I had the Sigma 10-20 on Canon and loved it. I might consider that.
02-22-2013, 03:53 PM   #8
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QuoteOriginally posted by memo90061 Quote
I've seen the 15mm for around 500 - 600. I think that's too much.

I didn't know about the 17-35mm. :O It seems like it's hard to find though.

I had the Sigma 10-20 on Canon and loved it. I might consider that.
17-35 is a tamron at adorama used dept. about $250
Used Tamron 17-35 2.8-4 Asp Di F/px-af
Dn't know if that link will work

Also a siggy 17-35 there for $80

02-22-2013, 04:49 PM   #9
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Hahah. I have to research them.
02-22-2013, 07:18 PM   #10
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The Sigma 10-20mm is a very good lens, and is probably my most used lens now after my Sigma 30mm 1.4. I've always been very pleased with the sharpness of the 10-20mm at all focal lengths and apertures, and I haven't noticed any glaring weaknesses. Just a nice, fun lens that gives me very good results. I went a long time without an ultra-wide since I didn't know if I would use it much, but I now wish I'd bought it sooner.
02-22-2013, 07:42 PM   #11
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I think the Sigma 10-20mm and 30mm lenses are my favorite. The 10-20 lens pictures are very interesting.
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