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Two new lenses for Pentax !!
#13
(01-24-2020, 09:02 PM)Kunzite Wrote:
(01-24-2020, 10:03 AM)davidmanze Wrote: Here's one to cheer you up Kunzite .......
Guess again - I find that guy mildly annoying.
I don't care he's pro-Pentax at the moment. I don't trust he's doing a thorough job in his tests and comparisons.
OTOH, the D FA 150-450 is an excellent lens.

(01-23-2020, 03:33 PM)Brightcolours Wrote: The glass is the same. The coatings are the same. The outer shell is the same, just different rings and script.

It is not a Tamron clone, it is a rebadged Tamron.
Luckily' I'd say, because that Tamron is a great lens and Pentax' f2.8 design does not render bachground bokeh nearly as smooth.
Actually...
The glass might not be the same (I don't quite believe this, but the Pentax version is said to have 2 anomalous dispersion elements).
The coatings might not be the same, the Pentax version is said to have HD and SP. Let's see if we can verify this.
The mechanics are not the same, the Pentax version has a focus limiter.
The inner barrel is not the same, there's at least one anti-reflexion baffle missing from the Tamron.

And the Pentax D FA* 70-200 f/2.8 is optically superior.
The glass is the same. The coatings are the same, despite pentax marketing blurb. A rebadged Pentax.

The Tamron is better (renders quite a bit nicer, without the CA issue)
  


Messages In This Thread
Two new lenses for Pentax !! - by davidmanze - 01-22-2020, 06:36 AM
RE: Two new lenses for Pentax !! - by davidmanze - 01-22-2020, 09:01 AM
RE: Two new lenses for Pentax !! - by Klaus - 01-23-2020, 04:37 AM
RE: Two new lenses for Pentax !! - by toni-a - 01-23-2020, 06:49 AM
RE: Two new lenses for Pentax !! - by thxbb12 - 01-23-2020, 09:03 AM
RE: Two new lenses for Pentax !! - by Kunzite - 01-23-2020, 11:31 AM
RE: Two new lenses for Pentax !! - by Klaus - 01-23-2020, 12:36 PM
RE: Two new lenses for Pentax !! - by davidmanze - 01-24-2020, 10:03 AM
RE: Two new lenses for Pentax !! - by Kunzite - 01-24-2020, 09:02 PM
RE: Two new lenses for Pentax !! - by Brightcolours - 01-25-2020, 05:52 AM
RE: Two new lenses for Pentax !! - by davidmanze - 01-25-2020, 07:17 AM
RE: Two new lenses for Pentax !! - by mst - 01-25-2020, 07:41 AM
RE: Two new lenses for Pentax !! - by Kunzite - 01-25-2020, 11:46 AM
RE: Two new lenses for Pentax !! - by davidmanze - 01-26-2020, 09:31 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-27-2020, 09:05 PM
RE: Two new lenses for Pentax !! - by davidmanze - 01-28-2020, 02:08 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-28-2020, 02:59 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-28-2020, 03:57 PM
RE: Two new lenses for Pentax !! - by davidmanze - 01-28-2020, 04:59 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-28-2020, 05:21 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-28-2020, 06:45 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-28-2020, 09:32 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-29-2020, 11:35 AM
RE: Two new lenses for Pentax !! - by mst - 01-29-2020, 01:15 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-29-2020, 01:22 PM
RE: Two new lenses for Pentax !! - by Mistral75 - 01-29-2020, 01:50 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-29-2020, 02:59 PM
RE: Two new lenses for Pentax !! - by Mistral75 - 01-29-2020, 03:09 PM
RE: Two new lenses for Pentax !! - by Kunzite - 01-29-2020, 03:54 PM
RE: Two new lenses for Pentax !! - by Kunzite - 03-27-2020, 11:56 AM
RE: Two new lenses for Pentax !! - by davidmanze - 05-02-2020, 07:36 PM
RE: Two new lenses for Pentax !! - by Kunzite - 05-02-2020, 09:43 PM
RE: Two new lenses for Pentax !! - by davidmanze - 05-03-2020, 09:24 AM
RE: Two new lenses for Pentax !! - by toni-a - 05-03-2020, 04:37 AM
RE: Two new lenses for Pentax !! - by Kunzite - 05-03-2020, 07:03 AM
RE: Two new lenses for Pentax !! - by thxbb12 - 05-03-2020, 01:05 PM
RE: Two new lenses for Pentax !! - by thxbb12 - 05-03-2020, 01:30 PM
RE: Two new lenses for Pentax !! - by thxbb12 - 05-03-2020, 04:20 PM
RE: Two new lenses for Pentax !! - by Kunzite - 05-03-2020, 04:38 PM

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