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04-03-2013, 02:24 AM   #1
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Recommend me a wide angle prime - auto.

So after owning my K-01 for around 4 months now, my lens collection is ever so slowly growing.
I have -
Pentax 18-55mm kit lens
Pentax M 50mm f2
Rokinon 85mm f1.4

I'm loving both manual lens, learning heaps from shooting in manual mode and getting some great results... I am however, finding shooting in manual can become a little tiresome.

I was looking at the Rokinon 14mm f2.8... But think I want to go auto.

What wide angle prime can you recommend? I would like to go around 14mm. Wanting wider than my current 18-55mm zoom. And I am looking at it being fast - don't want anything smaller than f2.8 - would love f1.8.

Budget.. Well lets just see some suggestions

04-03-2013, 02:31 AM   #2
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Both DA15ltd and DA21ltd are excellent lenses. The Da21ltd is my most used lens since the last year, being nearly a 28mm equivalent, it suits me well when street shooting.
Sigma 20/1.8 is also very nice, but much much bigger than either of the DA ltds. Plastic, but good plastic.
There are sets for each of these lenses in my flickr.
04-03-2013, 02:41 AM   #3
hcc
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The DA15mm Ltd is a very interesting wide angle:
Pentax-DA 15mm F4 Limited Review - Introduction - PentaxForums.com

It is a very sharp lens and amazingly small. Great for photography in tight areas. The IQ is great and it is very well recommended by all Pentaxians. You cannot go wrong with ir.
04-03-2013, 02:42 AM   #4
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+1 Da 15mm ltd.
https://www.pentaxforums.com/forums/lens-clubs/86234-15mm-limited-controls-my-mind-club.html

04-03-2013, 02:48 AM   #5
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Thanks for the quick replies.. Looks like the DA15mm could be a winner.
I did want something faster.. But am I just one of those people who's opinion is swayed by numbers..

Does a lens have to be f1.4 to be good. Is shallow depth of field everything? (Asking myself these questions btw)

Or should I stick to my love of Rokinon and go the 14mm f2.8? And just be a manual shooter?

I'm wanting to get into street.. While the 85mm is perfect. I just find it hard to 'Capture the moment' - when I have to focus, then expose, then compose, then shoot.
04-03-2013, 03:04 AM   #6
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The shorter the focal length the harder it becomes to get blurry bokeh (this is dependent on the distance to subject and background obviously). All the samyang lenses are of the best quality. It comes down to choice and budget, or if you have LBA buy them both =)
04-03-2013, 06:39 AM   #7
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Sigma 35mm f/1.4 DG HSM A1 Lens for Pentax DSLR Cameras 340109

It will be worth the wait.

Interestingly I believe it was to be out by now. The very day it comes out I'll be up at a retail location in NYC waiting for their doors to open
04-03-2013, 06:42 AM   #8
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For a wide angle lens to be fast, it seems to get very very big and very expensive. The Nikon 14f2.8 is 700 grams (made of plastic), and 87mm in diameter, costs $1500 and takes no filters. The DA15 is ~$600, 49mm in diameter, and 200g made of metal. Canon's 14 is even stupider: bigger (94mm) and over $2000. With the 15, you also get starbursts. Take a look at the DA15 controls my mind thread. There are pages and pages of testimony why you want the 15. A word of warning, a lens that wide does take some getting used to to get good compositions.

Even though my 15 is f4, I rarely have it below f8 anyway. I've shot some up close bokeh shots at f4, and they are very nice, but it is rare to find a subject suited to this lens used in that way. Wide angle shots are usually all about deep DOF. If you are very close to large objects (ie to get bokeh), the 15 will still make them look tiny. You have to be very very close. Portraits with the 15 are taken well within the subjects personal space (close enough that you'd better be pretty good friends already!)

04-03-2013, 08:05 AM   #9
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Before you pass on the Rokinon or another manual focus lens, you might want to investigate "hyperfocal distance" for a 14mm lens. At f4, if you focus at something about 8 feet away, everything from about 4 feet to infinity is in focus, so there can be little need to focus depending on what you're shooting.
04-03-2013, 12:58 PM   #10
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Thanks again for the replies above.
Yet another vote for the DA 15mm... This really has to be a contender.
Sigma looks nice.. Maybe a little out of my price range.. I understand I didn't state budget up front, but after some replies, it looks like I want to keep it under $600.

And thanks for the info on the Rokinon. I'm going to go and shoot more of my 85mm between f4 and f8. Testing focal range.. Finding that magic point. Who knows, with a little practice I may even be able to set focus on the dial, judge distance and not even look at focus peakin/focusing on the LCD.

So, at the moment, it looks like either the DA 15mm f4 limited.
Or the Rokinon 14mm f2.8 - and just man up and get used to manual.
04-03-2013, 01:17 PM   #11
hcc
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QuoteOriginally posted by Plainfaced Quote
Looks like the DA15mm could be a winner. I did want something faster.. .
When I was after a wide angle lens, I consider both the DA15mm and the faster DA14mm (f2.8). At the end I was able to get a good price on a new DA15mm. This being said, I found that the DA15mm is working well even in moderate light. I use a K-7, not renown for high-ISO performance, and yet I am getting good results indoor with the DA15mm without flash at ISO800. With the K-01 (and I have one), the Da15mm is excellent indoor IMHO.

Depending upon your needs, you may find that the DA15mm is fast enough in fact.

Last edited by hcc; 04-03-2013 at 07:48 PM.
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