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Forum: Pentax SLR Lens Discussion 05-25-2009, 02:16 PM  
50-250, 70-200 size comparison?
Posted By Hopi
Replies: 1
Views: 3,798
Forum: Pentax News and Rumors 03-02-2009, 06:06 AM  
Check It Out ...
Posted By Hopi
Replies: 18
Views: 5,296
Her is the text Attachment 29393
Forum: Pentax News and Rumors 03-02-2009, 05:46 AM  
Check It Out ...
Posted By Hopi
Replies: 18
Views: 5,296
You can download the map from the link under the hyperlink, I saved it on my PC before it was removed.
Forum: Pentax News and Rumors 03-02-2009, 05:37 AM  
Check It Out ...
Posted By Hopi
Replies: 18
Views: 5,296
Forum: Pentax SLR Lens Discussion 02-17-2009, 03:38 PM  
Pentax a*400mm 2.8 & the 1.7 AFTC
Posted By Hopi
Replies: 6
Views: 2,711
[QUOTE=HawaiianOnline;492023]Will the Pentax A* 400mm f2.8 lens work with the 1.7x autofocus teleconverter?

I think it would work perfect. I have the 1.7 TC, and the result are wery good at f2.8 lenses and not so good at f4 lenses
You will find some information on this site, and I dont know why he dont recomend this solution: The Pentax Big Glass Comparison Pages
Forum: Digital Processing, Software, and Printing 01-31-2009, 10:49 AM  
DA 17-70/f SDM marked as unknown lens in Lightroom2.
Posted By Hopi
Replies: 9
Views: 2,553
You have to reload Metadata from file to identify the lens.
Forum: Digital Processing, Software, and Printing 01-31-2009, 09:48 AM  
DA 17-70/f SDM marked as unknown lens in Lightroom2.
Posted By Hopi
Replies: 9
Views: 2,553
LR 2.3 RC recognise this lens, and also DA*300/4. You can download it from here.Lightroom 2.3 - Adobe Labs
Forum: Pentax SLR Lens Discussion 01-12-2009, 03:22 PM  
Sigma EX 500mm f4,5
Posted By Hopi
Replies: 2
Views: 1,935
Try this one: Sigma Objektiv AF 500/4,5 EX DG APO til Pentax, Samsung Foto > Objektiv > Passer Pentax > hos Scandinavian Photo
I also know that FotoVideo Norway AS had this lens before, but its not on the list anymoe. I was in contact with them 2-3 years ago, before I bought my FA*600/4, and they talk about 4-6 monts delivery time.
Forum: Pentax SLR Lens Discussion 08-13-2008, 02:29 PM  
A very simple question
Posted By Hopi
Replies: 3
Views: 1,681
AL = aspherical element
Forum: Pentax News and Rumors 04-25-2008, 11:30 AM  
DA17-70/4 SDM at china
Posted By Hopi
Replies: 135
Views: 42,316
Here is the spesification for DA 17-70/4 Fovi AS - smc PENTAX DA 17-70mm (EXCEL SHEET) If this is correct there is no screwdrive, only SMD
Forum: Pentax SLR Lens Discussion 04-15-2008, 01:12 PM  
About Fa 43mm ltd
Posted By Hopi
Replies: 430
Views: 94,600
Forum: Pentax SLR Lens Discussion 01-21-2008, 05:22 AM  
Fa*85 Vs A*85
Posted By Hopi
Replies: 1
Views: 1,512
Forum: Pentax SLR Lens Discussion 08-22-2007, 06:22 AM  
Compatibility - Tele Adapter 1.7x & Pentax Lenses
Posted By Hopi
Replies: 14
Views: 6,603
The 1.7xAF adapter works fine with FA and DA lenses. The AF is fast, but you have to rough adjust the focus on this lens, and then the AF adater take the fine adustment.

Hopi
Forum: Pentax SLR Lens Discussion 08-01-2007, 02:03 PM  
Standard zoom needed, 5 choices
Posted By Hopi
Replies: 22
Views: 4,694
Hi Ken

I have the Tamron 28-75/2.8 and can recommend this lens. Nice colors and bokhe. A litle bit soft wide open at 75mm/2.8. but still a nice portrett lens.:D Try the lens in the store if you can, there is some bad samples of this lens,
but I think Tamron have better quality controll then Sigma.
Take a look at PhotoZone. They have done some test in Nikon and Canon mount of some of the lens you ask about.

You can find a test for the pentax 24-90 compared with 16-45/4 here: Translated version of http://www.pictchallenge-archives.net/TESTNUM/BxuREV7.html.

Good luck..

Hopi.
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