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06-04-2009, 04:40 AM   #1
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Lens for the K-7

Hi
people told me that i better buy a nikon because they have more lens.
but the thing is - the K-7 looks real good.
will i have enough lens for it?
for now i will stay with the 2 kit lens (up to 200mm). but in the future i may want some mega telephoto...
what do you think?
thanks

06-04-2009, 05:14 AM   #2
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Pentax is going to release a super telephoto soonish although we don't know what it will be.
pentax is better than nikon for third party zooms because the in body shake reduction makes them stabilized. ie the sigma 50-500 and 100-300/4 are well regarded. on the other hand if you have 4 grand + to spare nikon has some excellent fast long VR zooms that cant currently be matched by the pentax system.
06-04-2009, 06:57 AM   #3
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buying into pentax in anticipation of a lens on the roadmap is not a good idea
if you like what's there, then go for it
06-04-2009, 10:06 AM   #4
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There are existing telephoto lenses that are very good and affordable + fully weathersealed:

-DA* 200/2.8
-DA* 300/4
-DA* 60-250/4

There are a good number of Sigma telephotos too. The 100-300mm f/4 is pretty awesome.

There's the Pentax 600mm f/4 that's available on special order. Not exactly affordable though

Oh and ALL of these lenses are stabilized.

If you want longer lenses, Pentax MAY have one soon but I can't promise anything.

Nikon has fantastic telephotos. 200-400 f/4 and their primes all the way to 600mm. Be prepared to pay top top top dollar for them though. Basically very good, very fast, very sharp, VERY expensive

There's also the 120-300mm f/2.8 Sigma in Nikon mount. I want that lens badly in a Pentax mount

06-04-2009, 02:25 PM   #5
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That's like saying one should buy a Kia instead of a Honda because there are more tires available for the Kia. Maybe so, but if there are *enough* tires for the Honda, isn't that all that matters if the Honda is the better car?
06-04-2009, 03:23 PM   #6
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QuoteOriginally posted by Marc Sabatella Quote
That's like saying one should buy a Kia instead of a Honda because there are more tires available for the Kia. Maybe so, but if there are *enough* tires for the Honda, isn't that all that matters if the Honda is the better car?
The analogy only makes sense if you change tires every 30 minutes....
06-04-2009, 05:08 PM   #7
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What's with all the car analogies being thrown around in this forum?

If you said you 'may' want some mega telephoto, perhaps you don't know what you really want to do yet? Pentax have some quite unique options (pancake DAs) that are simply not available in Nikon mount, and some of the same stuff that's just as good or better and actually cheaper (like in body SR and amazing backwards compability with any model - I really appreciate these two advantages especially).
06-04-2009, 05:35 PM   #8
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Sigma makes many of its 500mm zooms in Pentax mount. If those are not good enough quality for you (and they are quite good as it is), check out the price tags of Nikon's 400 and up prime offerings. Honestly if you can afford those, why not get a D3? And if you can afford that you can afford a dual system and try out all the Pentax offerings yourself =)

In the wide to normal to telephoto range Pentax has plenty of great quality lenses. That's why we're all here, after all. Used Pentax super-teles are available (and of stunning quality), Pentax has announced a shiny new one for sometime in the future, and third party offerings are easily available and quite affordable.

06-05-2009, 04:42 AM   #9
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Original Poster
could someone link me to a site that explain the pentax lens terminology
i know the canon & nikon only. some are the same but other terms are not.
thanks
06-05-2009, 06:02 AM   #10
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QuoteOriginally posted by dr jekyl and MR hyde Quote
could someone link me to a site that explain the pentax lens terminology
i know the canon & nikon only. some are the same but other terms are not.
thanks
This sites section on lenses is a good area to start

Pentax Lens Review Database - Main Index
06-06-2009, 02:45 AM   #11
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there is no explanation there for the different terms... like smc DA etc...
06-06-2009, 03:48 AM   #12
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QuoteOriginally posted by dr jekyl and MR hyde Quote
there is no explanation there for the different terms... like smc DA etc...
I think these sites might be more of an insight
Pentax Technology
http://www.mosphotos.com/PentaxLensesExplained.html

DA = Pentax equivalent of Nikon DX

Last edited by Andi Lo; 06-06-2009 at 03:54 AM.
06-06-2009, 09:12 AM   #13
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Here's a simple way of looking at it:

SMC = the coating on the lens
Limited = high build quality, great optics, usually smaller than average
"*" = top-notch optics; also for DA lenses, these are usually weathersealed
Letter "A" in the name (A, DA, FA, D-FA, etc) = auto-exposure
Letter "F" or "D" in the name = auto-focus (these are all also auto-exposure, even if they lack the "A" in the name)
Letter "D" in the name = designed for digital (if there is *also* an F, then it works on film, too)
Letter "M" in the name = no special significance except they are usually smaller than previous designs
Letter "J" in the name = junk (OK, really, just cheaper/not-as-good versions)
Letter "L" in the name = lightweight
WR = weather-resistant

Lenses designated "K" are K mount lenses without any of the additional characteristics. The lenses themselves don't actually have the letter "K" on them; they are usually identified as just "SMC Pentax".

I am not familiar enough with the various screwmount designations to help with those.

Last edited by Marc Sabatella; 06-07-2009 at 12:55 PM.
06-06-2009, 10:52 AM   #14
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QuoteOriginally posted by Marc Sabatella Quote
Letter "J" in the name = junk (OK, really, just cheaer/not-as-good versions)
Lol! Back when I wasn't too familiar with the FA and FA-Js I heard of the notorious performance of the FA-Js and I thought actually thought it stands for Fail Now I love my FAs but haven't tried any FA-J, I heard one of them is decent
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