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02-19-2015, 04:46 PM   #196
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QuoteOriginally posted by Digitalis Quote
yeah, it doesn't have a focus limiter - focus hunting is very professional.
Yes it does. Who else do you think the new zoom is aimed at then, if not the pros? If you mean the DFA 100 WR, I was just referring to the optical quality, I know it hasn't otherwise got what it takes to be a * lens.


Last edited by Dave L; 02-19-2015 at 05:05 PM.
02-19-2015, 05:18 PM   #197
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QuoteOriginally posted by Kunzite Quote
Oh, come on! It's so obvious the lens won't come in the box - it's too big, and too heavy. You're not supposed to lift&carry it, but roll it home
The case comes with a hand truck.
02-20-2015, 09:15 AM   #198
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QuoteOriginally posted by Dave L Quote
Yes it does. Who else do you think the new zoom is aimed at then, if not the pros? If you mean the DFA 100 WR, I was just referring to the optical quality, I know it hasn't otherwise got what it takes to be a * lens.
Well, the F100/2.8 macro had one but did not get its * either.
02-20-2015, 09:22 AM   #199
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QuoteOriginally posted by JinDesu Quote
The case comes with a hand truck.
A sherpa.

02-20-2015, 10:00 AM   #200
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QuoteOriginally posted by thibs Quote
Well, the F100/2.8 macro had one but did not get its * either.
I think we may be at cross purposes here. Do you think the new zoom is aimed at the pro market as I do, and if not, who? I doubt if anyone outside Pentax/Ricoh really knows the exact significance of the star anyway so its absence IMO is not important, but we shall see when some exacting reviews appear.
02-20-2015, 11:30 AM   #201
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QuoteOriginally posted by Dave L Quote
I think we may be at cross purposes here. Do you think the new zoom is aimed at the pro market as I do, and if not, who? I doubt if anyone outside Pentax/Ricoh really knows the exact significance of the star anyway so its absence IMO is not important, but we shall see when some exacting reviews appear.
This is from a Pentax Lens Catalogue of January 2013:

DA* SDM Series
Consisting of super-high-performance, large aperture models, this series features a smooth, quiet AF mechanism driven by a supersonic drive motor (SDM) and excellent weather-resistant, dustproof performance.

Water and Dust Protection
Humidity and dirt are the natural enemies of high performance electronics and precision optics. AW lenses provide maximum weather-resistant and dustproof performance preventing the intrusion of drizzle and dust into the lens barrel.
The next category of “all weather” PENTAX lenses is designated as WR or weather-resistant. These affordable lenses utilize a simplified weather-resistant construction, making it more difficult for water to enter the lens and are designed to repel a light splash of water.

The Catalogue makes it clear that DA* lenses are AW lenses, not "merely" WR lenses.
02-20-2015, 11:36 AM   #202
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Well, the worse aperture on a * lens is f4, I think it's as simple as that !
02-20-2015, 11:56 AM   #203
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I know that Tamron and Sigma have some new 150-600 f5-6.3 lenses (which as of yet are not confirmed for Pentax) but I applaud Ricoh/Pentax choice to stop at f5.6 lens and stretching that aperture to 450mm. From my personal experience shooting with many MF and AF 400mm f5.6 primes is that even on the K-3 (and K5/IIs) previously there're many limitations to that focal range, meaning at F5.6 and smaller apertures you need to really crank up the ISO to compensate for the 400mm x 1.5 focal range stability, loss of light and best MTF characteristics especially if you're handholding your lenses. This has been my own personal experience with the likes of Tokina AT-X 400mm f5.6, Pentax-A 400mm f5.6 and the best of the bunch the Sigma 400mm f5.6 Telemacro, although some might consider such lenses somewhat dated by today's standards.
Another problem when shooting in high Iso with 10+ yr old glass (perhaps more due to its coating then optics) is the amplification of noise. On K-3 the noise performance of say an Fa 35mm f2 lens when compared to the DA 20-40mm is not the same, the latter would allow you higher ISO performance as many forum members have discovered first hand.
I expect the new D-FA 150-450 lens to be a better performer optically then most pentax lenses to date (even better than the FA* 400mm f5.6 although I'd love to be given a chance to test this first hand). Although the FA* 400mm f5.6 might exhibit better IQ on a pixel level, the newer optics and coating should in theory make the D-FA a "faster" performer by a 1-2 stops when compared to the older FA*. The introduction of the new FF will make things interesting, it will necessitate a revisiting of the performance of Pentax and third party legacy glass.

02-21-2015, 01:37 PM   #204
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QuoteOriginally posted by Dave L Quote
I think we may be at cross purposes here. Do you think the new zoom is aimed at the pro market as I do, and if not, who? I doubt if anyone outside Pentax/Ricoh really knows the exact significance of the star anyway so its absence IMO is not important, but we shall see when some exacting reviews appear.
Completely agree with you, I was merely pointing out a nomenclature behaviour.
02-21-2015, 01:39 PM   #205
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QuoteOriginally posted by timautin Quote
Well, the worse aperture on a * lens is f4, I think it's as simple as that !
As stated by Starvy, you have FA*400/5.6 so it doesn't make it.
Neither for FA*300/4.5
Or even for SMC 6x7 M*800mm f/6.7
02-21-2015, 02:48 PM   #206
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QuoteOriginally posted by timautin Quote
well, the worse aperture on a * lens is f4, i think it's as simple as that !
fa * 250-600/5.6 fa* 400/5.6...

---------- Post added 02-21-2015 at 02:49 PM ----------

With no idea of the quality should I preorder it? hmm...
02-21-2015, 03:00 PM   #207
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A* 1200 f8
02-21-2015, 03:33 PM   #208
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Well, and of course, the A* 1200 /8
02-21-2015, 08:31 PM   #209
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QuoteOriginally posted by Dave L Quote
If the 100 mm f/2.8 DFA macro is anything to go by, the lack of a * on the new zoom isn't anything to be concerned about. It's a high quality lens aimed at professionals, I am certain of that.
Didn't imply there was anything to be concerned about. The DF A 100 macro is built like an FA LTD lens except for the lack of an aperture ring.
02-22-2015, 02:35 PM   #210
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Yep, I was looking only in the current line up, but you're right.
So, there is still the sliding aperture.

QuoteQuote:
With no idea of the quality should I preorder it? hmm...
I will wait. That's crazy they didn't uploaded some great shots taken with the 2 new lenses, IMHO it would have had a high positive impact on the sells...

Last edited by timautin; 02-22-2015 at 04:40 PM.
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