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06-19-2007, 01:27 PM   #61
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QuoteOriginally posted by mutedphotos Quote
And you've just lost a customer. Too confusing for your typical "just want good pictures" customer.
It sounds confusing with all the numbers, but if you make sweeping gestures with your hands while explaining the various angles, it's also... um, kind of frightening to people, actually. Don't do that.

QuoteQuote:
because anything longer was just too expensive! One of the greatest advantages to the APS format is the 1.5x addition to the long end, why would we want to lose that?
Because it's not a real advantage, just an apparent one. Crop your full-frame pictures, and presto. Pentax has chosen to play to the real advantages of size and price instead. Given everyone's reaction, though that may be another tech-smart, marketing-dumb move on their part.

06-19-2007, 01:55 PM   #62
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QuoteOriginally posted by mutedphotos Quote
There's a reason why a lot of amateur film photographers never went longer than 200-300mm, and it wasn't because they preferred those focal lenghts, it was because anything longer was just too expensive!
This is just plain wrong.
From almost day one I had a 300mm and a 400mm lens and they were not very expensive and optically ok (Tokina).
But I have used them very little, they are just too long for normal work.
What I used was the 80-200mm zoom.
I am very happy that Pentax now comes up with the equivalent 50-135mm.
Exactly what I need!
06-26-2007, 05:37 AM   #63
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Seems you'll either purchase the 50-135mm or you won't but I bet when it hits the shelves it'll be hard to get your hands on one for the first month or so. A 70-200 would be a good combo to have with the up and coming 17-70mm. 16-50mm & 50-135mm is perfect for weddings. Lenses are tools and the latter combo is the perfect wedding setup with a few primes thrown in there and a decent flash or 2. For a wedding I'd rather be holding a 50-135mm than a 70-200mm because the weight difference over 4 hours would definitely be noticeable. All those doing wedding or the like pick up the 2 new SDM lenses they are perfect for that job no matter who disagrees period!!

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07-12-2007, 07:17 PM   #64
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Since the fw 1.3 is out can you try it out with the lenses?

07-13-2007, 02:36 AM   #65
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[QUOTE=codiac2600;66949]They perform very well on my K10 and the K100 since my firmware still makes it use the ole school in camera motor. I'd say faster than my Tamron 28-75 2.8 but I have no real teasting methods besides relative time.

Do you mean they are quiet and fast as well on K100D, and faster in focus than normal DA range???

and they look big, I considered DA 16-45 quite big in comparison to kit lens, but DA* 16-50 absolutely dwarfs it

oh, and if I've seen correctly, DA16-45 is most extended at it's wide end??? (see picture 4) doesn't make sense, or does it?

NED BUNNELL: February 2007
07-13-2007, 06:52 AM   #66
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[QUOTE=axl;76014]
QuoteOriginally posted by codiac2600 Quote
oh, and if I've seen correctly, DA16-45 is most extended at it's wide end??? (see picture 4) doesn't make sense, or does it?

NED BUNNELL: February 2007
Apparently it makes sense in an optical design way. I think it has to do w/ the registration distance and the angle of view. You have to retro zoom at wide angle because a normal design would put the back element INTO the camera body or at least too close to the sensor...Here is a brief discussion of retrofocus lenses
Luminous Landscape Forum > Improved Wide Angles for 35mm
and this :
Retrofocus and Tele Lenses
07-13-2007, 11:54 AM   #67
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I know I'm an oddball, but if Pentax came out with a DA 28-80 (or 24-70... short-wide to short-tele etc) I'd buy it as fast as I could get to my wallet. Splitting the ranges of these two DA* lenses at 50mm doesn't really fit with my ways. I'll end up buying a Sigma/Tamron in this range.
07-13-2007, 04:36 PM   #68
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QuoteOriginally posted by wildboar Quote
I know I'm an oddball, but if Pentax came out with a DA 28-80 (or 24-70... short-wide to short-tele etc) I'd buy it as fast as I could get to my wallet. Splitting the ranges of these two DA* lenses at 50mm doesn't really fit with my ways. I'll end up buying a Sigma/Tamron in this range.
The roadmap does show a 17-70mm as upcoming. You're more than welcome to hold your breath with the rest of us.

07-14-2007, 11:08 AM   #69
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Sorry you are plain wrong...

QuoteOriginally posted by mutedphotos Quote
And you've just lost a customer. Too confusing for your typical "just want good pictures" customer.

I agree with a lot of others that Pentax's idea of sticking with 35mm focal lenghts is a bad idea. There's a reason why a lot of amateur film photographers never went longer than 200-300mm, and it wasn't because they preferred those focal lenghts, it was because anything longer was just too expensive! One of the greatest advantages to the APS format is the 1.5x addition to the long end, why would we want to lose that? Obviously a long zoom matters, or we wouldn't have 15x-18x superzoom P&S's on the market. A lot of customers coming up from P&S's are going to look at Pentax with it's 50-200, 50-135, 60-250, etc, and then look at Nikon/Canon with their 70-300's, 100-300's, or longer, and which do you think they'd choose? Quality differences don't matter as much as you might think, as the amount of relatively ignorant photographers migrating up to DSLR's is increasing exponentially (I know this from working at Ritz Camera for 3 years). All the customer is going to see is that they can get a cheap $150-$200 lens from Canon/Nikon that will give them a longer zoom than anything Pentax offers.

Novices notwithstanding, what about the rest of us that know what we're doing but can't afford professional lenses, yet still want good quality long zooms? I doubt the 50-300 that's scheduled is going to be any more than a consumer grade lens, probably worse than the current 50-200 because of the extra reach. And with 3rd party lenses there's a pretty big gap between the cheap consumer $200 lenses and the professional $900+ lenses. So I'm still stuck in the same situation that I've always been in with film cameras, not being able to afford anything longer than 300mm film equiv.
But there IS a cheap Pentax 70-300mm on the roadmap (to go with the 17-70).

If you dont "get" Pentax's philoshophy fine, but dont go around inventing Canon lenses that dont exist. The fastest zooms they do above 200mm are all F5,6 at the long end - even the really expensive L lenses. Most of their consumer grade lenses fall off badly over 200 mm as well - the 100-300 IS is probably the best under 1000 but its F5.6

Nikon do a 200-400 F4 but its as big as a house and costs as much as a small car!

THere is no competition for the 50-135 F2.8, yet here is a lens that does everything the heavy, cumbersome expensive 80-200 F2.8 managed on a film camera.

The 50-135 F2.8 is a wonderful compact lens that is absolutely perfect for street candids, studio work and gigs. I will get the 60-250 F4 as well because it only loses a stop over the 80-200 but again its much smaller, lighter and has a more useful range and F4 at 250mm is quite a rarity. The only competition is the Sigma 100-300 F4 (which is massive).
07-14-2007, 03:42 PM   #70
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QuoteOriginally posted by *isteve Quote
THere is no competition for the 50-135 F2.8, yet here is a lens that does everything the heavy, cumbersome expensive 80-200 F2.8 managed on a film camera.
No competition... So the (very much existing) Sigma 50-150mm f/2.8 DC isn't at all comparable then?

QuoteOriginally posted by *isteve Quote
The 50-135 F2.8 is a wonderful compact lens that is absolutely perfect for street candids, studio work and gigs.
Glad to hear you are this confident... personally I'd like to wait until the lens is slightly, even a tiny bit available for use before deciding how wonderful or perfect it is
07-15-2007, 01:38 AM   #71
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Is the Sigma 50-150 f2.8 available in Pentax mount? If it is then that's great but I haven't seen any yet?
07-15-2007, 12:28 PM   #72
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No AFAIK it isn't yet. My point was simply that Pentax/Tokina aren't the only ones to have done the "70-200 digital equivalent" idea.

My guess is that that Sigma won't be available until well into next year... later if they decide to implement HSM. Of course we will hopefully have the Toktax/Pentina 50-135mm DA* by the end of this year, so not a lot of point waiting for the Sigma.
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