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11-17-2022, 02:52 PM   #151
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QuoteOriginally posted by x4rd Quote
Is it still a screw drive lens?
Yes. In-lens motors are specified in Pentax nomenclature (SDM, DC, etc.)

11-17-2022, 04:17 PM - 2 Likes   #152
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QuoteOriginally posted by luftfluss Quote
Yes. In-lens motors are specified in Pentax nomenclature (SDM, DC, etc.)
In the mount denomination too:
  • KAF: screw drive
  • KAF2: screw drive + in-lens motor
  • KAF3: in-lens motor only
  • KAF4: in-lens motor, electronic aperture control

The HD Pentax‐D FA Macro 100mm f/2.8 ED AW is specified as KAF.
11-18-2022, 12:35 PM - 12 Likes   #153
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QuoteOriginally posted by x4rd Quote
Is it still a screw drive lens?
Yes, it is.

DC motor would fit this lens more than original noisy screw driven AF.

So, I give the lens a quick rest at work. Just put it on my K-1 and took a few shots mainly to see a difference between WR and ED AW versions...




Lens is almost identical to WR version even the hood is the same part number as the older version :-)


From reflections on both front and rear elements you can see differences in color - new coatings are clearly there :-)

Crops from SOOC jpegs shot at F2.8:

Annoying CA of original WR version.


New AW version with ED element is not suffering from CA. Finally! The question is astro - but the weather doesn’t seem to get better anytime soon.

Subjectively speaking, I think the new lens is a little bit sharper than WR.

Details:



Glad the K-1 has a Wi-Fi so I could download the SOOC jpegs to my phone and upload them.

Last edited by Slavek; 11-18-2022 at 12:43 PM.
11-18-2022, 02:09 PM   #154
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QuoteOriginally posted by Slavek Quote
Yes, it is.

DC motor would fit this lens more than original noisy screw driven AF.

So, I give the lens a quick rest at work. Just put it on my K-1 and took a few shots mainly to see a difference between WR and ED AW versions...




Lens is almost identical to WR version even the hood is the same part number as the older version :-)


From reflections on both front and rear elements you can see differences in color - new coatings are clearly there :-)

Crops from SOOC jpegs shot at F2.8:

Annoying CA of original WR version.


New AW version with ED element is not suffering from CA. Finally! The question is astro - but the weather doesn’t seem to get better anytime soon.

Subjectively speaking, I think the new lens is a little bit sharper than WR.

Details:



Glad the K-1 has a Wi-Fi so I could download the SOOC jpegs to my phone and upload them.
Nice, thanks for the comparison!

11-18-2022, 02:28 PM   #155
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Is that a little purp and green in the upper right on the new lens pic? And bokeh grapes too...

Mine should land Monday in brutal cold...we'll see how it likes that!
11-18-2022, 02:34 PM   #156
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Looks like a nice upgrade. I thought I had signed up to be notified about both the black and the silver on both Ricoh and B&H but haven’t received an email - I could have opted for the black only though. And I still can’t order one until I get back somewhere around the 1st or 2nd (sigh).

Has anyone else received theirs yet?
11-18-2022, 02:46 PM   #157
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I spoke to a very helpful guy at CR Kennedy's head office yesterday. Apparently, Australia is only getting THREE silver copies!
Also, he didn't think they would arrive until December, which is a little disappointing.

Those test shots are encouraging

11-18-2022, 03:07 PM   #158
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QuoteOriginally posted by mtngal Quote
...
Has anyone else received theirs yet?
Amazon declared it will start shipping black version starting Dec 11.

I have ordered Silver one on B&H a night before they officially announced them via e-mail. I have chatted with them couple times (last time 2 days ago) and they continued to talk "Pentax did not provide us dates yet."
11-18-2022, 03:14 PM   #159
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QuoteOriginally posted by Slavek Quote
New AW version with ED element is not suffering from CA. Finally! The question is astro - but the weather doesn’t seem to get better anytime soon.
Given that the type of fringing I always got was the purple with the now old SMC D FA 100/2.8 WR Macro the lack of it in the shot you provided would lead one to believe that it would be a good performer for astro. Also I would agree that it may be a bit sharper wide open from your test shots which again bodes well for astro.
11-18-2022, 04:22 PM - 1 Like   #160
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Ordered my silver one through Ricoh yesterday and it should get here next week (yay for Black Friday present to myself)!
11-19-2022, 12:48 PM   #161
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I would like to get old SMC FA50/1.4 revamped this way...
11-19-2022, 01:01 PM - 4 Likes   #162
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QuoteOriginally posted by Reed Quote
I would like to get old SMC FA50/1.4 revamped this way...
But that would step on the toes of the DFA* 50 f/1.4, so is unlikely.
11-19-2022, 02:35 PM - 1 Like   #163
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QuoteOriginally posted by Paul the Sunman Quote
But that would step on the toes of the DFA* 50 f/1.4, so is unlikely.
Somehow, yes. But a modern revamped (with DC motor?) DFA50/1.7 would be cool.
11-19-2022, 02:57 PM   #164
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QuoteOriginally posted by thibs Quote
Somehow, yes. But a modern revamped (with DC motor?) DFA50/1.7 would be cool.
True. But a 50/1.7 was the kit lens in film days, and that has been supplanted by a wide-medium zoom. It probably doesn't have the universal appeal it used to.
11-19-2022, 03:00 PM   #165
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QuoteOriginally posted by Paul the Sunman Quote
True. But a 50/1.7 was the kit lens in film days, and that has been supplanted by a wide-medium zoom. It probably doesn't have the universal appeal it used to.
No but two 50/1.4 in the range is a bit weird. For now there's the old one and the new one. Revamping the old 1.4 would be VERY weird IMO.
The 1.7 would be a different proposition.

Btw the kit lens rather was the 50/2 wasn't it ?
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