Forgot Password
Pentax Camera Forums Home
 

Reply
Show Printable Version Search this Thread
07-06-2010, 07:35 PM   #31
1,000,000th Poster!




Join Date: Apr 2010
Location: Montreal, QC
Photos: Gallery | Albums
Posts: 172
Original Poster
QuoteOriginally posted by Banjo Quote

Very interesting quote from the link you gave me:

"the ability to focus through our viewfinders (if you do not have a split screen) can be difficult, but just set the aperture of the lens at f8 and focus to infinity and that it is, you got a P&S camera. Just point and everything will be in focus."


This would be great for discreet street photography or just leaving the camera with the video running on a tripod.

07-07-2010, 11:06 AM   #32
Pentaxian
Marc Sabatella's Avatar

Join Date: Sep 2006
Location: Denver, CO
Photos: Gallery
Posts: 10,686
That's not unique to this lens - Google the term "hyperfocal". Also see the discussion the General Photography forum on this site for more on hyperfocal focusing. Any wide angle lens stopped down a bit will do this to some extent, because DOF is large on wide angles and small aperture. But while everything might be "in focus" as far as some DOF calculator is concerned - which might be assuming small prints or ordinary web viewing - it's not like everything is *really* equally sharp if you're pixel peeping.
07-07-2010, 06:25 PM   #33
Loyal Site Supporter




Join Date: Jun 2009
Location: Tumbleweed, Arizona
Photos: Gallery | Albums
Posts: 5,101
Over on the Pentax Video area here on the Forum, bymy141 posted a short video using the 10-17 that is wonderful. You need to take a look.... its the cathedral in St Petersburg, Russia.
07-07-2010, 06:41 PM   #34
Senior Member
Sirfishalot's Avatar

Join Date: Dec 2006
Location: Seattle, Washington
Photos: Gallery
Posts: 200
QuoteOriginally posted by interested_observer Quote
Over on the Pentax Video area here on the Forum, bymy141 posted a short video using the 10-17 that is wonderful. You need to take a look.... its the cathedral in St Petersburg, Russia.
While this lens is great in most regards, do note though that it does suffer from purple fringing in high contrast scenes. That was the nly reason I ruled it out. The rectalinear distortions shape up nicely though when using the profiles in post-processing.

JayT

07-07-2010, 09:56 PM   #35
Site Supporter




Join Date: Dec 2006
Location: Canada
Photos: Gallery
Posts: 828
The early version of the wide angle zoom Tokina 20-35mm is a great undiscovered gem. Cheap because people don't know how good it is. It's also autofocus, an added bonus. This same lens also comes labelled as a Vivitar.

The later versions are more plasticky and also good, but not as good as the first generation.
07-08-2010, 04:23 AM   #36
1,000,000th Poster!




Join Date: Apr 2010
Location: Montreal, QC
Photos: Gallery | Albums
Posts: 172
Original Poster
QuoteOriginally posted by tranq78 Quote
The early version of the wide angle zoom Tokina 20-35mm is a great undiscovered gem. Cheap because people don't know how good it is. It's also autofocus, an added bonus. This same lens also comes labelled as a Vivitar.

The later versions are more plasticky and also good, but not as good as the first generation.
I've found a few great reviews on it. It was fairly expensive when it came out, but seems to have been forgotten. Maybe because it still hasn't been uploaded for review in the third-party lens database at PF?
02-02-2011, 02:17 AM   #37
Veteran Member
DanielT74's Avatar

Join Date: Nov 2008
Location: Australia
Photos: Albums
Posts: 1,377
Samyang (Rokinon/Bower) 14/2.8 is pretty impressive. I just got mine and haven't looked at the pics closely yet but from the reviews it is pretty much the class leader in sharpness, the UMC version is pretty good with flare, the weakness being the moustache distortion but where it matters it is fixable in PTLens
02-02-2011, 01:43 PM   #38
Site Supporter




Join Date: Dec 2008
Location: Twin Cities, Minnesota
Photos: Albums
Posts: 650
Vivitar 19mm

I managed to capture a Vivitar 19 mm f3.8 A (AE lens) off Ebay a while back and have been pleasantly surprised at the photo quality. It is a bit slow at f3.8( which ends up being f4 on the body) so I have been getting better results on our new K-x than I did on the K100D. I am also surprised at the angle of view which should be less than the 18-55 II lens but in actual use the 19 exceeds the view of the zoom. Another difference in use is the Vivitar going to infinity right after 5 feet. So it is great to put on the camera and leave on infinity and take snapshots of family indoors mounted on the K-x. I also feel the shots are of better resolution than what the 18-55 can turn out. But this is all my 2 cents from my experience with this lens. I have read that it may be related to Tokina's famous 17 but my serial number lies in the Cosina range from that reference provided by CameraQuest.

Alan W.

02-02-2011, 10:17 PM   #39
Veteran Member
Jewelltrail's Avatar

Join Date: May 2008
Location: Rhode Island
Photos: Albums
Posts: 4,180
QuoteOriginally posted by kacansas03 Quote
I managed to capture a Vivitar 19 mm f3.8 A (AE lens) off Ebay a while back and have been pleasantly surprised at the photo quality. It is a bit slow at f3.8( which ends up being f4 on the body) so I have been getting better results on our new K-x than I did on the K100D. I am also surprised at the angle of view which should be less than the 18-55 II lens but in actual use the 19 exceeds the view of the zoom. Another difference in use is the Vivitar going to infinity right after 5 feet. So it is great to put on the camera and leave on infinity and take snapshots of family indoors mounted on the K-x. I also feel the shots are of better resolution than what the 18-55 can turn out. But this is all my 2 cents from my experience with this lens. I have read that it may be related to Tokina's famous 17 but my serial number lies in the Cosina range from that reference provided by CameraQuest.

Alan W.
Hi Alan:

That really sounds like a great pickup--I have been wondering about that lens myself, for a while now. Have you poset any shots @ our forum yet? I would love to see them if you can direct me to them.
02-02-2011, 11:20 PM   #40
Pentaxian
jeffshaddix's Avatar

Join Date: Jun 2010
Location: Albuquerque, NM
Posts: 1,371
At your budget, perhaps either a Tokina 17 3.5 or a Vivitar 19 3.8 would fit nicely.
02-04-2011, 01:11 PM   #41
Site Supporter




Join Date: Dec 2008
Location: Twin Cities, Minnesota
Photos: Albums
Posts: 650
QuoteOriginally posted by Jewelltrail Quote
Hi Alan:

That really sounds like a great pickup--I have been wondering about that lens myself, for a while now. Have you poset any shots @ our forum yet? I would love to see them if you can direct me to them.
I have images that it would nice to remove from the camera. So I have to get busy and upload from the new K-x into the computer to size them for the forum. I have been having too, too much fun with the high ISO speeds. Plus I finally obtained a gimbal and just yesterday received the "magic arm" that can support the camera body behind my long (32") 800 mm which will finally make photos with that long lens quite easy without having to use high shutter or high ISO or both. So I have been busy playing with new equipment here in the house. I have given up on the glaciers receding outdoors and there are No birds, small animals and few deer so my photo subjects are buildings, darn. I will post some 19 mm photos soon.
Alan W.
Reply

Bookmarks
  • Submit Thread to Facebook Facebook
  • Submit Thread to Twitter Twitter
  • Submit Thread to Digg Digg
Tags - Make this thread easier to find by adding keywords to it!
k-mount, love, pentax lens, slr lens, ultra-wide
Thread Tools Search this Thread
Search this Thread:

Advanced Search


Similar Threads
Thread Thread Starter Forum Replies Last Post
Ultra Wide Angle Zoom Choice Biro Pentax SLR Lens Discussion 15 12-28-2009 07:22 PM
Soccer Field using Ultra-Wide Angle lastdodobird Post Your Photos! 8 03-05-2008 04:37 PM
Cheap ultra wide angle lens? CJCram Pentax SLR Lens Discussion 10 01-29-2008 11:01 AM
For Sale - Sold: WTT ultra wide angle, flash... Not Registered Sold Items 1 01-25-2008 02:27 PM
Ultra-Wide Angle Recommendations tux08902 Pentax SLR Lens Discussion 17 01-14-2008 10:33 PM



All times are GMT -7. The time now is 04:53 PM. | See also: NikonForums.com, CanonForums.com part of our network of photo forums!
  • Red (Default)
  • Green
  • Gray
  • Dark
  • Dark Yellow
  • Dark Blue
  • Old Red
  • Old Green
  • Old Gray
  • Dial-Up Style
Hello! It's great to see you back on the forum! Have you considered joining the community?
register
Creating a FREE ACCOUNT takes under a minute, removes ads, and lets you post! [Dismiss]
Top