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06-03-2015, 04:44 AM   #1066
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QuoteOriginally posted by kenspo Quote
This is not confirmed, but i would be surprised if Pentax didn't rebrand Tamrons new 15-30mm.
Of course there is a chance that Pentax have some secret wide angle lens in developement but nobody knows anything about that so they there is a big possibility that wide angle lens will be rebranded.
Tamron 15-30mm is an excellent choice, but I strongly believe that wide lens will be rebranded Tokina 16-28mm f/2.8 (80%) or maybe 17-35mm f/4 (20%).

06-03-2015, 05:30 AM   #1067
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There's a 50% chance that the 15-30 f/2.8 will be a rebranded Tamron: it will be, or it won't. Speculation is useless, we can only wait until we'll find out more.
There's a 0% chance that the 15-30 will be either a 16-28, or a 17-35 though

By the way, I remember reading in an interview that outsourcing the optical design doesn't help that much.

Last edited by Kunzite; 06-03-2015 at 05:38 AM.
06-03-2015, 06:40 AM - 2 Likes   #1068
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All i know for a fact, is that the wide-angle will be a F/2.8
06-03-2015, 06:59 AM   #1069
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QuoteOriginally posted by kenspo Quote
This is not confirmed, but i would be surprised if Pentax didn't rebrand Tamrons new 15-30mm.
This Tamaron would act like a 22.5mm to 45mm on an APS-C sensor, not very wide.

06-03-2015, 07:03 AM   #1070
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QuoteOriginally posted by Newtophotos Quote
This Tamaron would act like a 22.5mm to 45mm on an APS-C sensor, not very wide.
Of course, their primary goal right now might be making sure that sales of the new FF camera aren't hobbled by choice of lenses available.

As far as APS-C is concerned, back in the days of film, often the wide-angle lens of choice was a 24mm or 28mm, and somehow we got by.
06-03-2015, 07:12 AM   #1071
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QuoteOriginally posted by reh321 Quote
Of course, their primary goal right now might be making sure that sales of the new FF camera aren't hobbled by choice of lenses available.

As far as APS-C is concerned, back in the days of film, often the wide-angle lens of choice was a 24mm or 28mm, and somehow we got by.
But on the forum, if there's a 28, someone will insist they absolutely have to have a 29, and that tif Pentax doesn't make one they will meet their impending doom even faster that they would have otherwise.

Some people simply do not have the ability to get by.

If they don't get the focal length they want, to the millimetre they have a melt down.

But they also hate zooms.
06-03-2015, 07:24 AM   #1072
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It is looking more like fairly light (but not particularly fast) is the APS-C lineup, while not as light (but fast) is the FF lineup model.. That is, FF is getting the deluxe treatment hehe
06-03-2015, 07:50 AM   #1073
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QuoteOriginally posted by Newtophotos Quote
This Tamaron would act like a 22.5mm to 45mm on an APS-C sensor, not very wide.
???
The wide end at 15mm is the same as the DA15 Limited. Wide enough for many people - I think.


Last edited by acoufap; 06-03-2015 at 09:30 AM.
06-03-2015, 08:26 AM   #1074
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QuoteOriginally posted by Winder Quote
Since one of Pentax's best lens designer now works for Tamron, that might not be a bad thing. There is also a rumor that Zeiss has bought a Tamron lens design and has it in production. These lenses will be made to the standards of the different manufacturers, it is only the design that comes from Tamron. Coatings and construction will be dictated by the manufacturer.
I don't think it would be bad, just that a Pentax developed lens would be better. If they wanna prove they can be an alternative to big OEM, it would be better to roll out Pentax lenses.
It is more marketing/image. Otherwise Canon/Nikon guys and idiots will be thrilled to say Pentax can't even develop their lenses for their FF (not that I think so).

I have nothing against Tamron, and certainly not against the 15-30. If they do a rebadge, then done correctly la Pentax/Tokina: just use the blue print but design your own barel etc.
If not ( la 18-250) it will really really look cheap (even for an optically excellent lens).
06-03-2015, 09:06 AM - 1 Like   #1075
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QuoteOriginally posted by Newtophotos Quote
This Tamaron would act like a 22.5mm to 45mm on an APS-C sensor, not very wide.
Im talking FF now. Dont think they are thinking too much on how these new lenses will be on an aps-c..15-30 is wide on a FF
06-03-2015, 09:14 AM   #1076
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QuoteOriginally posted by kenspo Quote
Im talking FF now. Dont think they are thinking too much on how these new lenses will be on an aps-c..15-30 is wide on a FF
Quite a bit, rather UWA to WA zoom.
06-03-2015, 09:37 AM - 2 Likes   #1077
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QuoteOriginally posted by thibs Quote
Quite a bit, rather UWA to WA zoom.
I've said it earlier, that the FF and especially the "holy trinity" of lenses are important to Ricoh/Pentax and aimed at pros. So they are after to compete against Nikons trinity of 14-24, 24-70 and 70-200 + Canons 16-35, 24-70 and 70-200..Will come more lenses later, both at better prizes and other sizes that are reachable for most people. Next year we will also see more then a few primes So good times ahead. There will also be new lenses for the aps-c lineup!
06-03-2015, 09:47 AM   #1078
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Sounds good... I might have to get a part time job.
06-03-2015, 11:46 AM   #1079
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QuoteOriginally posted by acoufap Quote
???
The wide end at 15mm is the same as the DA15 Limited. Wide enough for many people - I think.
Sorry, I meant field-of-view.
06-03-2015, 11:47 AM   #1080
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QuoteOriginally posted by thibs Quote
I don't think it would be bad, just that a Pentax developed lens would be better.
A lot depends on manufacturing capacity, especially if there are a small number of different models that can be assembled at any given time at Ricoh's plants. The key is setting up the tooling to assemble the components; every time the tooling needs to be reconfigured that assembly line is out of production. Swapping interchangeable components like lens elements in the middle of a production run is not a big deal. That way Tamron can assembly their design for Ricoh using HD coatings, for instance. The general design of a lens with specific characteristics doesn't change much over time or between manufacturers, which limits how much better a Pentax design is than a Tamron design with the same lens characteristics, especially if some of the components are supplied by Ricoh.
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