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12-10-2008, 06:54 PM   #61
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Someone got a heck of a good deal on this lens:

flea-bay auction # 200282524886
Pentax Lens SMC Pentax 200mm 1:2.5 for LX MX ME K1000 - eBay (item 200282524886 end time Dec-10-08 12:49:32 PST)

This is definitely an unknown gem, the "K" 200mm f2.5 prime. It probably wasn't a high production volume lens, so you don't see it show up often. But it can easily hold its own against its more modern and slower (yes, slower) A/F/FA/DA * siblings.

12-14-2008, 08:59 PM   #62
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QuoteOriginally posted by Lowell Goudge Quote
I started a thread on the rules but had virtually no respondants.
I personally didn't see that thread. I cannot check all new threads all the time. That's why I suggested to post a pointer to it from here.

Everyone, check the new Zoom Lens Shootout thread.
03-23-2009, 10:32 AM   #63
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It's great to read all the praise for the Vivitar 70-210mm series 1 lens since I've just made a deal in getting one quite cheaply. Judged by the aperture and filter size it's either ver. 3 Komine or ver. 4 Cosina. I'm exited already!
03-23-2009, 03:38 PM   #64
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QuoteOriginally posted by bsbxl Quote
Is there some sort of general consensus on what the real gems are in the Pentax A, M, K or Takumar series? A gem should not only be a very good lens but also way beyond expectations. An expensive A* lens should be high quality but it should also perform beyond its price class to be considered a "gem".l
By that standard, here are my suggestions, based on my own experiences -

20's - A 20/2.8 - An unpretentious, sharp little 20 that does the job with very, very little distortion.

28's -
K 28/2 - A gorgeous, solid 28, with everything going for it, including speed.
K 28/3.5 - Perhaps the most elegant little 28 ever made - at one time it did have the greatest "bang for the buck" among quality 28's, but the prices have soared over time as the supply has dried up.

35's - K 35/2 and K 35/3.5 - What I said about the fastest and the slowest K 28's above, but just change "28" to "35".

50's and 55's -
A 50/1.4 - Optically slightly improved over the similar (but not identical) K and M 50/1.4's (and, the added Ka functionality makes for easier metering, too).
A 50/2.8 Macro - Absolutely the nicest 50mm macro to use in the whole, wide world.
F 50/2.8 Macro and FA 50/2.8 Macro - Incredibly sharp (probably the sharpest Pentax 50 design ever made), but annoying to actually use (especially the F version), but still incredibly sharp, but just so annoying to use, but...
K 55/1.8 and K 55/2 - Optically and mechanically identical - the glass is 100% identical between these two - the only difference is that Pentax, in a feat of pure marketing "genius" (<g>), put a limiting baffle inside the f/2 version to limit its aperture, so that the "cheap" 55/2 could be sold with, say, the basic K1000, while the "premium" 55/1.8 could be sold with, say, the top-of-the-line K2. Since they are optically identical (except at f/1.8, of course), and since the pair are not overly sharp anyway until about f/5.6 or even f/8 (but are really excellent at f/8 and slower), the K 55/2 can be a really good buy sometimes.

85's -
K 85/1.8 - Absolutely superb in every aspect.
M 85/2 - Not the greatest 85 ever made, and not too sophisticated optically (only 5 elements in 4 groups), but, IF you hunt around and are patient, you might bag one a significantly-lower-than-average-for-an-85mm price.

100's - A 100/2.8 Macro - A truly superb 100mm macro.

135's -
K 135/2.5 - I've called this "the poor man's A* 135/1.8" for years. Sharp, contrasty, and bokeh to dies for. 'Nuf said...
Takumar Bayonet 135/"2.5" - Actually an f/2.8 lens, it's not the strongest 135 out there, but is often available dirt cheap, making it a good buy.

200's - K 200/2.5 - 99% as good as the A* 200/2.8 optically, and (while still not exactly cheap) sometimes found without a "star" price tag.

Zooms - A 70-210/4 - A solid, "better-than-ever-expected" zoom lens - fortunately relatively common, making for a typically reasonable price.

03-23-2009, 03:47 PM   #65
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The M 28/3.5 I owned was a gem as well. For a lens that sold for $110 when new, the distortion was remarkably minimal. It had the Pentax look, which I prefer. Great little lens.
03-23-2009, 03:47 PM   #66
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QuoteOriginally posted by bdery Quote
to some extend, Takumar bayonet 135 f2,8 (if you get a good copy, for the price it used to cost and the wide aperture).
It is indeed a "big bang for the buck" 135, but, despite its claimed maximum aperture, and because of its actual clear front aperture, is probably in reality an f/2.8 lens.

QuoteOriginally posted by bdery Quote
I'm not sure if it qualifies, given your definition of "gem", but the Vivitar Series 1 70-210 version 1 and 3 (I own v1) are just wonderful, even legendary. I'm always blown away by the resolution, contrast, and colours of mine.
I've owned 'em all, and the V.2 lens (f/3.5, 62mm filter threads) should ~not~ be skipped over in ~any~ list of solid VS1 70-210's.
03-23-2009, 03:52 PM   #67
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QuoteOriginally posted by heliphoto Quote
The A50/1.7 is the best of the three 50s I've shot with (M/2, SMC Tak/1.4, A/1.7), the color, contrast, and sharpness are astonishing.
If anyone is in the process of buying an A 50/1.7, he/she should determine if the aperture ring functions properly. The A 50/1.7 is historically notorious for sometimes having its plastic aperture ring start slipping and/or binding. While this probably is only relevant to some samples, it is worth checking for and/or asking about.

Last edited by fwcetus; 03-23-2009 at 04:19 PM.
03-23-2009, 04:07 PM   #68
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QuoteOriginally posted by Lowell Goudge Quote
As you know M stands for mineature, and I don't like them as much as the true K mounts.
Well, I don't think Pentax ever officially said that "M" stood for "miniature", but most M lenses that did have SMC K predecessors did seem physically a bit smaller (i.e., a ~bit~ more "miniature").

M lenses are "true K mounts", of course, but, overall, my experience has been that the preceding original SMC K lenses (which is likely what you are referring to) as well as the following A lenses are, in general, better lenses. (And, M lens fans, please don't get me wrong - this is an "in general" sort of statement, and not a comment on every single particular M lens ever made.)

03-23-2009, 04:08 PM   #69
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These are my "top five" K series lenses in each catagory.

K 17/4.0 Fish-eye (Favorite ultra-wide angle)
K 28/3.5 (Favorite wide angle)
K 50/4 Macro (Favorite macro)
K 55/1.8 (Favorite prime)
K 135/3.5 (Favorite telephoto)

I just got a K 135/2.5, which I have not had a chance to try out yet. So it may knock the
K135/3.5 off my list.
03-23-2009, 04:11 PM   #70
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QuoteOriginally posted by Class A Quote
This would be very interesting.
In January 2009, I'll get a Tokina 70-210, f/3.5, which I believe is identical to the Vivitar series 1, version 2.
I believe you are correct - except for the close-focus distance (and brand differences in coatings), I believe they are optically identical.
03-23-2009, 04:14 PM   #71
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QuoteOriginally posted by Blue Quote
The point is that Tak means something different during the K-mount era than it did during the m42 years. During the m42 years, they were generally the good stuff while during the k-mount years they were typically budget lenses.
True, and unfortunately so, IMHO.

Last edited by fwcetus; 03-23-2009 at 04:19 PM.
03-27-2009, 07:51 AM   #72
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QuoteOriginally posted by emr Quote
It's great to read all the praise for the Vivitar 70-210mm series 1 lens since I've just made a deal in getting one quite cheaply. Judged by the aperture and filter size it's either ver. 3 Komine or ver. 4 Cosina. I'm exited already!
The lens came and it is a ... Komine. Geez, what a heavy lens! A substantial addition to the body's weight making the combination tip fairly easily. I also noticed the manual focusing can be a bit tricky. Nevertheless, it'll be fun playing with this oldie.

Actually another gem arrived today also: Macro-Takumar 50mm f/4 1:1! Even though I'm not sure if I like all that much using the M42 adapter, this lens will probably have quite a lot of use in the following months. Certainly looks and feels the biz.

I like toys!
03-27-2009, 02:14 PM   #73
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Had one, sold it, missed it.... and just found another one in the local classifieds at a great price. Please don't let it be sold already!

Can't believe my luck if this pulls through :-)

/Jens


QuoteOriginally posted by tranq78 Quote
Someone got a heck of a good deal on this lens:

flea-bay auction # 200282524886
Pentax Lens SMC Pentax 200mm 1:2.5 for LX MX ME K1000 - eBay (item 200282524886 end time Dec-10-08 12:49:32 PST)

This is definitely an unknown gem, the "K" 200mm f2.5 prime. It probably wasn't a high production volume lens, so you don't see it show up often. But it can easily hold its own against its more modern and slower (yes, slower) A/F/FA/DA * siblings.
03-27-2009, 02:19 PM   #74
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The Tamron 70-210 3.5 19Ah should be included in that - IMO a much overlooked lens.

/Jens

QuoteOriginally posted by Steinback Quote
Lowell,

A photo duel sounds like it would make for a fun thread. I could see it spawning a series of face offs, but choosing 1 focal range to start with is probably the way to go.

If you want to start in the ~80-200 range, I believe that I have the same Vivitar Series 1 70-210 f/3.5 (1st version) that you do, and there are lots of others around here with later versions of the series 1. You/we just have to find a couple of people with an A70-210 f/4, M or K 80-200 f/4.5, or possibly an FA 80-200 f/2.8 willing to step up and participate.

Possible limiting the field to constant aperture zooms that cover 80-200mm (so in theory a 60-250 f/4 or Sigma 70-200 f/2.8 would qualify, but a 50-135 or 50-150 wouldn't) would be somewhere to start. I would be fine with shooting my K10 set at 6mp if you want the same approximate resolution from any/all bodies being used.

Restricting the field to just 2 lenses would be another option and might be easier to manage but the trade off is that it would cut down on the number of people able to participate.

Photos probably ought to be of things that an average person could find in their neighbourhood or house, regardless of where in the world they live (fork, coin approximately 1 inch across, stop sign, house, etc.?).

If you want to draft some rules and start a thread, I'm sure you will find people willing to take the challenge.
03-27-2009, 02:24 PM   #75
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I'd say the 2 lenses in my sig (other-wise I wouldn't have bought them) and also the M 20mm f/4 (which I'm on the look-out for). Anyone want a Craftsman 10" mitre saw with laser and stand to trade? ;-)
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