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11-19-2013, 08:49 PM   #811
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400 f4 is a big lens. I'd be happy with 400 5.6 at the long end for $2k ish. As long as it is sharp.

11-20-2013, 07:57 AM   #812
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As far as reliable infos can be, this lens is to be made available in Japan as from 15th of december, 2013.
No idea what will happen in other countries, nor if the typhon destructions in CEBU (lens assembled in Vietnam, but maybe transfered somewhere else before final shipping) can impact it's delivery logistics.
11-20-2013, 11:45 AM   #813
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QuoteOriginally posted by leopold Quote
Heie,
the Canon and Nikon 200-400mm/4 cost more than 2500-3000$, there is no way a constant f/4 lens of that focal length will cost just 2500-3000$. The newer Nikon 80-400mm/4.5-5.6 and the Sony 70-400mm/4.5-5.6 cost arount that 2500$ !!!
For APS-C the competitor and benchmark is the Canon EF 100-400mm f/4.5-5.6L IS USM.

If Pentax goes 120-380mm as indicated on the roadmap I suspect it could go f4/-5.6, be WR, DC, relatively small compared to the competition, and not a breaker of the budget. Add in a TC for APS-C.....

The Canon is on sale for CAN$1399. I think a sub-$1750 is about all one can hope for in the APS-C price range right now.

I cannot see a $2,000+ APS-C lens from Pentax in the future.

If you look at the Pentax zoom lineup this is the missing piece.
11-20-2013, 11:52 AM   #814
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QuoteOriginally posted by Aristophanes Quote
I cannot see a $2,000+ APS-C lens from Pentax in the future.
DA 560 F/5.6 will become DFA 560 F/5.6?

11-20-2013, 03:55 PM   #815
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QuoteOriginally posted by Aristophanes Quote
For APS-C the competitor and benchmark is the Canon EF 100-400mm f/4.5-5.6L IS USM.
Which should be pretty easy to beat, @ 400mm f/5.6 the canon L lens is notoriously soft.
11-20-2013, 04:18 PM   #816
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QuoteOriginally posted by Aristophanes Quote
For APS-C the competitor and benchmark is the Canon EF 100-400mm f/4.5-5.6L IS USM.

If Pentax goes 120-380mm as indicated on the roadmap I suspect it could go f4/-5.6, be WR, DC, relatively small compared to the competition, and not a breaker of the budget. Add in a TC for APS-C.....

The Canon is on sale for CAN$1399. I think a sub-$1750 is about all one can hope for in the APS-C price range right now.

I cannot see a $2,000+ APS-C lens from Pentax in the future.

If you look at the Pentax zoom lineup this is the missing piece.
The Canon is cheap because it's an old design and old lens and it's a FF lens also. Canon is rumored to release a new version sooner or later but i'm sure the price will go up like the Nikon did!!!
11-20-2013, 06:03 PM   #817
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QuoteOriginally posted by Digitalis Quote
Which should be pretty easy to beat, @ 400mm f/5.6 the canon L lens is notoriously soft.
QuoteOriginally posted by leopold Quote
The Canon is cheap because it's an old design and old lens and it's a FF lens also. Canon is rumored to release a new version sooner or later but i'm sure the price will go up like the Nikon did!!!
This is exactly the FL's here APS-C can outdo FF on value. The Nikon 80-400 VR is another competitor, so looking at the Pentax roadmap I see room for a less ambitious zoom range meaning faster aperture and certainly more compact given IBIS. I still see a $1,500 price point at the counter, or less, and nowhere near the Nikon's ambitious (and much mocked) price. Knocking 60mm off the range could take it down to 1/2 the Nikon size and 1/3 off the price with maybe even an f/4 for the first 100mm.

Or... this might be a lens we see with optical stabilization. All options are on the table.

In any case, the 20-40 has a precise place in the market array of Pentax zooms once it is paired with the 55-300 or the 60-250. Now the odd one out without a pairing is the 18-135.
11-20-2013, 06:48 PM   #818
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QuoteOriginally posted by Aristophanes Quote
This is exactly the FL's here APS-C can outdo FF on value. The Nikon 80-400 VR is another competitor, so looking at the Pentax roadmap I see room for a less ambitious zoom range meaning faster aperture and certainly more compact given IBIS. I still see a $1,500 price point at the counter, or less, and nowhere near the Nikon's ambitious (and much mocked) price. Knocking 60mm off the range could take it down to 1/2 the Nikon size and 1/3 off the price with maybe even an f/4 for the first 100mm..
How different is this proposed lens from the 55-300, though? Size/weight/cost are usually based on the longest range of a telephoto's zoom... so if you want to reduce the price and cost very much you'd need to knock off the longest focal length...

11-21-2013, 03:29 AM   #819
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Yes but these zooms are often used at their maximum focal length...
11-21-2013, 06:17 AM   #820
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Having returned two Sigma 120-400s because for my purposes, their images were too soft to be useful, I can happily say, what the world needs is not another soft 400mm lens. I ended up with a 60-250, which is sharp beyond all expectation, an A-400, which is so much sharper than the Sigma 120-400 the Sigma shouldn't even be discussed as a viable option.

Long lenses are usually only bought for their longer focal lengths. More than half my 60-250 images are taken at 250, and many of my 400 images are cropped, in other words, I could use even longer. When you buy a long zoom, most people are actually buying it for the long end, Something it would be nice for lens manufacturers to pay attention to. They should be keeping the long end sharp and compromising on the short end. Something none of them seem to have clued in to.
11-21-2013, 07:23 AM   #821
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Pentax HD DA 20-40mm F2.8-4 ED Limited DC WR Review & Rating | PCMag.com

first review?
11-21-2013, 07:56 AM   #822
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QuoteOriginally posted by dankoBanana Quote
Only two pictures how they did this review !!!
11-21-2013, 09:24 AM   #823
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Some sites don't have full sized samples and just give a quick review. That place isn't my favourite site by any means.
But you can't deny it's overpriced, and the point about the Sigma lens is quite a valid one. Basically all the Pentax has going for it is WR and build. The Sigma has the speed and is probably a better all round lens.

Saying that for 16/17-50mm users who might have a fast prime in that range too I can't see a whole lot of point to either the Pentax or the Sigma
11-21-2013, 09:37 AM   #824
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QuoteOriginally posted by Mr Spocko Quote
Saying that for 16/17-50mm users who might have a fast prime in that range too I can't see a whole lot of point to either the Pentax or the Sigma
Yep. People who have that range/aperture covered probably won't be interested in duplicating it; but that applies to just about just about anything, doesn't it?
I Own a Dodge 3/4 ton diesel pickup and a Chevy Spark, so I'm not likely to add a Ford F250 or a Toyota Yaris to the fleet, but I'm not sure that means there is no point to them existing.
11-21-2013, 09:39 AM   #825
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QuoteOriginally posted by Mr Spocko Quote
The Sigma has the speed and is probably a better all round lens.
but prone to flare!
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