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01-23-2013, 04:42 PM   #1
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What is a Q "Must Have" lens

Something that is fairly inexpensive...........I have the adapter for K mounts.

I have DA 55-300
Sigma 17-70
DA 50-200WR
Tamron 90mm Macro

No primes....

Would a 50 be a good choice? Others?

01-23-2013, 04:55 PM   #2
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My personal tests on the Q show that only hi-end APS-C or full-frame lenses give good result. I had marvelous results with a Sigma 50mm macro and your Tamron 90mm macro should be great too.
I also have superb extreme telephoto shots with my Tamron 300mm f/2.8 60B. Still have to test the Tamron 400mm f/4

01-23-2013, 05:01 PM   #3
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I would go with a good 135, it makes a nice small, fast, easy to carry and use super tele. Anything wider than 50 you should stick with native Q lenses, IMO but thats just me

01-23-2013, 05:37 PM   #4
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To help make your decision, take a look at this thread if you haven't already:

01-23-2013, 06:13 PM   #5
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QuoteOriginally posted by UncleRed Quote
Something that is fairly inexpensive..........
The Q's own 06 Telephoto Zoom...

01-23-2013, 06:27 PM   #6
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I agree with hnikesch about the 135mm.
I have a Pentax M 135, f/3.5 and it's a pretty neat little lens.
Not good for anything close, and the focus range (throw or whatever) is long, but firm enough to hold focus (peaking) well.
Plus it can usually be found for $50 or less.
01-23-2013, 07:05 PM   #7
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I have both zooms but my two most used Q lenses are the 8.5 (50) and the MS Optical Sonnetar 25 (125). These are my daily carry lenses for the Q.

Now, if Pentax...or someone...would just come out with a wide angle prime in the Q mount (not adapted) it would be the perfect setup. I know, Pentax has one, but I was thinking that something with a little better aperture than 7.1 would be nice!

For long distance work I am still experimenting.
01-24-2013, 12:51 AM   #8

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Hi UncleRed,

I think all of your lenses will work well with the Q. I don't have a DA 50-200 anymore, but am thinking about picking one up if I find one for a good price. Mine was pretty good -- not as good as my fast 200s, but not nearly as bad as many seem to feel. I've only used a few consumer class xx-200mm zooms that are as good. In any case, small and light are advantages with the Q for a 280-1115 EQ lens for handheld shooting. It's worth giving it a good shot. The rest of your lenses should also be very good to excellent as they are all at the very least sharp at the center, and that's what really counts with the Q. I've had very good results with the DA 55-300. The Sigma 17-70 is a terrific lens, but a bit big for the reach though the zoom range of 90-390mm EQ looks to possibly be pretty useful, and the Tamron 90 Macro is no doubt going to be good.

A fast 50 is a very nice lens to have with the Q or a DSLR. Think 280mm EQ f1.4 or 1.7 that will focus to 18". For me, this is a dream long candids lens for parties and events. It's also a great zoo and exhibit lens. Ultra fast for low light, lightweight and compact, stop it down and it's ultra sharp. I don't shoot a 50mm very often, but now find myself with 4 of them -- Two are just for the Q. . . an S-M-C Tak 50/1.4 M42 that I picked up for $30 for that buttery smooth focusing ring, and an A 50/2.8 Macro that's a little cosmetically challenged, but only set me back a little over $100 -- only a 1:2 macro, but that should be easily enough with the Q for a super lightweight macro rig. . . and I have some nice achromatic diopters. For my DSLRs, I have an F50/1.7 and an FA 50/1.4 where I need the AF to focus.


01-25-2013, 02:34 PM   #9
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I am new at this, but I was thinking of going with the kit prime and a Leica M adapter and a Voigtlander 40/1.4 lens for an FOV of 220.
01-26-2013, 10:37 AM   #10
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To be honest, I tend to use the 01 prime the most on my Q. After that, it's the native 02 and 06 zooms. I don't have any of the toy lenses. I have the Q-to-K adaptor and use that for photo experiments, shooting wildlife (with the DA 55-300) or just general fun. I'd love a rectilinear wide-angle native-mount prime for the Q.

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