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04-15-2011, 12:03 PM   #16
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The cheapest wide prime I know of is the Tokina-made 21/3.8, often badged as Vivitar, Soligor, Lentar, etc, often found in M42. Last I looked, they were going for under US$75. But a kit DA18-55 (used) is wider and cheaper, and their IQ is probably equivalent around f/8-f/11.

The suggested Zenitar 16/2.8 is probably a little beyond your budget (it's ~US$200 now) and it's rather fishy for architecture. Its images can be defished, but with some loss of resolution.
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The cheapest decent macro setup is an Industar-50/3.5 on simple tubes. I think the I50 is in the US$25 neighborhood now, and M42 tubes are about US$8 shipped. Or, even cheaper, get some basic PK tubes (about the same price) and an even-cheaper (~US$5) 49mm-PK mount-reversal ring. Put those on your A50. Working distance will be about 50mm / 2in.

I would suggest that you sell the A35-80 -- except that it's a piece of junk, just about worthless, difficult even to give away. It may not be the *worst* lens Pentax ever put their name on, but it's in the running there.

Hmmm, wait, belay that suggestion... You might actually get decent results with the mount-reversal ring I mentioned, used with the A35-80. I just tried that on my K20D. At 35mm and closest focus, ~50mm / 2in working distance, the magnification is about 2x! At 80mm, it focuses out past infinity, with a close-focus of a bit under 180mm / 7in. A couple rough test shots show good corner sharpness. Reversed, that old kit.crap of generations past is actually a decent macro-zoom... except for the purple fringing. Oh well...

04-15-2011, 12:13 PM   #17
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I'll share my experience.

The 16-45 can focus close - I've used it frequently enough to photograph insects. The FA-100mm macro is better, but if I'm out and about without, the 16-45 is good. How it compares with the kit lens, I don't know but I just liked the "feel" of the 16-45 better. I think it works best above 20mm, but I can't prove that.

It's a decent choice for inexpensive and general-use.

The Tamron 70-300 has been good but beware the purple fringing above 160mm. I have plenty of pictures with great focus and a ghostly halo around everything.
04-15-2011, 12:46 PM   #18
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QuoteOriginally posted by Quicksand Quote
Yeah, but given how the apertures on the other lenses are listed, I would bet you a buck that it's actually an A 50mm f/2.0 (i.e, "1:2" not "1.2").

So if that lens is sold, the OP will have enough money to buy whatever he or she wants, as long as it is under $40 or so.
No doubt about that . . .
04-15-2011, 04:51 PM   #19
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The F 35-70 is a very nice lens that, for about $50, fits nicely in any budget collection. It does nice close-ups (.25X) but wouldn't be that useful for architecture.

04-15-2011, 05:42 PM   #20
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QuoteOriginally posted by Nick Siebers Quote
The F 35-70 is a very nice lens that, for about $50, fits nicely in any budget collection.
Except the OP doesn't have appear to have anything wider than a normal (28mm) FOV. That would frustrate the hell out of me.
04-15-2011, 06:33 PM   #21
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Yeah and I think the Tamron 28-105 is supposed to be pretty good, again for a bargain lens. So he wouldn't need an F35-70. But for a cheap lens, it is great.

I would second the DA16-45 or 18-55 recommendations, for the OP.
04-15-2011, 06:52 PM - 1 Like   #22
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Cheapest wideangle option is still the DA 18-55mm. All you need to go wider is to shoot overlapping images on a tripod with a good head and stitch the images in photoshop.
I have actually have had to use this method when all I had was the kit lens with me and it is actually a lot cheaper than buying a new lens.
04-15-2011, 08:31 PM   #23
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first time I heard the 50/1.2 with a bad rating.

04-15-2011, 09:52 PM   #24
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I have a k200, so a similar sensor to the k10. My experience, having both the 18-55 (original version) and 16-45, is that the 18-55 is a better value for the money, if the extra 2mm aren't important to you. Choose the 16-45 if those 2mm are important to you (and they are significant), not for performance improvement, at least not with my 6 and 10mp bodies.

I also have the 100-300F. It's not the "good" version, but I tested it extensively against a new 55-300, and sent the 55-300 back. The point isn't that the 55-300 may not be a theoretically superior lens, it's that what's important is the performance of the actual copy you have.

Paul
04-16-2011, 10:47 AM   #25
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Since you say your priorities are close-up's and architecture, I feel like you'll be shooting f/8 and above.

Screw ratings that you read, have you really inspected images from your lenses at f8? By the time you get to F8 there's not a huge difference between a kit lens and a pentax limited prime. I compared my kit 18-55 version 1 to my 31mm ltd and there was certainly a difference but if I was spending most of my time shooting at f8 and above I wouldn't worry nearly as much about super fancy lenses. I don't own any of your lenses, but I would imagine that 50mm f2 is darn near as sharp as it gets at f8.

Macro on the cheap: 49mm reverse pentax | eBay flip that 50mm backwards, stop way down for DOF and go for it (since you're stopping down so much for macro, you'll be diffraction limited in sharpness and honestly the choice of lenses in your price range isn't gonna make a big difference)

Architecture (well, wide architecture): pick up any of the budget zooms listed from other people, stop down to f8, use a tripod and shutter release delay. You might have more issues with CA with the cheaper lenses, but if you're on a budget just spend time fixing that in post. Where there's a will there's a way (even without boat loads of cash). If you can stretch the budget a bit try picking up an old k-20mm f4 used. there happens to be one on ebay right now too!

Last edited by scathontiphat; 04-16-2011 at 10:54 AM.
04-16-2011, 02:30 PM   #26
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QuoteOriginally posted by cgilbert Quote
I would appreciate suggestions for an all around lens and a macro with PRICE a major consideration.
I tend to shoot close-ups and architecture with my K10D.
Lenses I own are from eons ago and not very good in ratings.
Pentax smc A 35-80 1.4-5.6
Pentax smc A 50 1.2
Pentax smc F 100-300 1.4-5.6
Tamron AF 28-105 1.4-5.6 IF

Thanks, I did look through the threads before posting.
Check out your Pentax A 50/1.2 on the lens review..
Its worth $500 to $700. That should fund just about any lens you may want. You could post for a trade down in the Marketplace - swapping the A 50/f1.2 for a DA 12-24/f4. The 12-24 is an excellent architecture lens, and does close ups too....

If you need the 50mm prime - the A 50/1.7 goes for about $100.

04-16-2011, 02:41 PM   #27
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Guys, look upwards, the 1.2 is actually a 1:2, as mentioned in post #'s 11 & 14.
04-16-2011, 08:37 PM   #28
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2nd the kit lens suggestion. It's better than the Zenitar.
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