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12-18-2015, 02:01 PM   #16
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for something widely out there or for something widely in a confined space I enjoy using Pentax DA 12-24 / 4

12-18-2015, 02:29 PM   #17
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It depends on your budget and how wide you want to go.

Pentax lenses to check out:
10-17mm f3.5-4.5 Fisheye
12-14mm f4
16-50mm f/2.8
17-70mm f/4
14mm f/2.8
15mm f/4

Sigma lenses to check out
15mm f/2.8 fisheye
10-20mm f/4-5.6
10-20mm f/3.5
17-50mm f/2.8
17-70mm f/2.8-4

Tamron lenses to check out:
10-24mm f/3.5-4.5
17-50mm f/2.8

There's also 10mm, 14mm & 16mm lenses from Bower/Rokinon/Samyang
12-18-2015, 02:32 PM   #18
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QuoteOriginally posted by Na Horuk Quote
Here is a shot I (accidentally) took at f2.4. Its focused on the front row of the houses:
At f2.4 and focused near infinity, I wouldn't expect much from a lens under $220. But it surprised! DoF is way more shallow than at f8 of course, but it is full of detail, sharp.
that is impressive for being wide open, even as a small web-size shot.

QuoteOriginally posted by Na Horuk Quote
And if you check here, it works on FF as well: https://www.pentaxforums.com/forums/54-pentax-lens-articles/31629-da-lenses-f...ts-thread.html
In the thread I linked earlier, there are plenty of great landscape shots. They seem to be sharp enough. I think your words "a blurry mess" are too harsh. Lenses like Industar 50-2, now there is a blurry mess.
true, that does put it into perspective

i've never seen anything useful in those ff lens threads, it's a bunch of dead links, film shots, etc., and nothing is ever posted at ff-size... people crop and edit their "test" photos, so it's hard to make any sense out of it... most people don't know how to evaluate a lens.

heie did the only definitive da35/2.4 review that i've ever seen, if you look at the *full size* lake shot and houses shot, you can see the blurry sides clearly. Pentax-DA 35mm F2.4 AL Review - Sample Photos | PentaxForums.com Reviews

for landscape use, both my dirty cheap k35/2.8 and fa35/2 lenses blow that junk away, even on ff... da35/2.4 looks fine for centered objects, but then all lenses look o.k. in the center.

it could be that his lens was defective, or maybe he didn't focus it right? used the infinity hard stop, or the usual hyperfocal guesswork, etc?

here is a ff landscape shot of a pentax-a 35/2.8, this is what you want:

http://www.karamovphotography.com/Photo-gear/Pentax-A-35mm-F28/i-24xr3Dm/0/X...7.16704-X3.jpg

Last edited by osv; 12-18-2015 at 02:48 PM.
12-18-2015, 03:19 PM   #19
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QuoteOriginally posted by osv Quote
it could be that his lens was defective, or maybe he didn't focus it right? used the infinity hard stop, or the usual hyperfocal guesswork, etc?
Yes, this is one of the weaknesses of the DA 35mm f2.4. It has no distance scales and I think the focus ring can go past infinity, depending on temperature. The FA is probably better in that regard. Don't know whether the Sigma is better for MF and AF, though I remember reading that Sigma AF on some fast aperture lenses can be iffy on Pentax cameras.
QuoteOriginally posted by osv Quote
heie did the only definitive da35/2.4 review that i've ever seen
Two of the photos at the end of that review are mine That lakehouse photo does look fairly bad if you look at the house, but look at the foreground reflections of the trees in the lake. I think DoF and field curvature were not working in the favour of the subject of that photo (the house). If the photo had CA correction applied, then the edges would appear a little better, as well. But you are right
QuoteOriginally posted by osv Quote
here is a ff landscape shot of a pentax-a 35/2.8, this is what you want:
That does seem better than (uncorrected) DA 35mm f2.4. So that's a good lens for OP to consider! There are plenty good 28, 30, 31, 35mm lenses out there. But I think OP was mainly looking for a modern AF lens, choosing between the Sigma 30mm and Pentax DA 35mm f2.4


Last edited by Na Horuk; 12-18-2015 at 03:26 PM.
12-18-2015, 04:16 PM   #20
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so for someone like myself who is waiting to move to the K1 full frame, what would be the landscape lens of choice? I already own a Fa 35mm f2 and love it on the APSC as a walk around lens, but am assuming that it is going to be a knock out lens on the FF. I too dont like to go too wide myself, so for my taste anything under say 24mm in FF is too wide. Maybe if the 35mm is no good should i go all out and buy a FA 31mm ?
12-18-2015, 04:46 PM   #21
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QuoteOriginally posted by Mattox Quote
so for someone like myself who is waiting to move to the K1 full frame, what would be the landscape lens of choice? I already own a Fa 35mm f2 and love it on the APSC as a walk around lens, but am assuming that it is going to be a knock out lens on the FF. I too dont like to go too wide myself, so for my taste anything under say 24mm in FF is too wide. Maybe if the 35mm is no good should i go all out and buy a FA 31mm ?
if your copy of the fa35/2 is clean, and not decentered, it'll rock on the k1 for landscape use.

you can go wider with one of the pentax 28mm primes, i really like the k28/3.5 or the m28/3.5 for landscape shooting, they are both clean out to the edge when stopped down... i've compared canon fd, konica, oly, and a bunch of minolta 28mm primes, pentax is the best i've seen so far.

pass on the 24mm pentax primes, you'd have to go with sigma superwide ii or one of the vivitar 24/2.8 lenses.
12-18-2015, 05:02 PM   #22
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I am using a pentax 12-24 lens , I'm happy with it.
12-18-2015, 05:06 PM   #23
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QuoteOriginally posted by Na Horuk Quote
Two of the photos at the end of that review are mine That lakehouse photo does look fairly bad if you look at the house, but look at the foreground reflections of the trees in the lake. I think DoF and field curvature were not working in the favour of the subject of that photo (the house). If the photo had CA correction applied, then the edges would appear a little better, as well. But you are right
you can also see it in the full-size shots of those houses on the street, especially on the left side... landscape lenses should always be tested up through f/10-f/11, which he didn't do, sometimes a lens will clean up when stopped down just a bit more... f/10 is on the verge of visible diffraction on ff, it's very usable for landscapes.

are there any full-size f/10-f/11 da35/2.4 landscape shots on this forum? similar to that pentax-a shot i posted.

QuoteOriginally posted by Na Horuk Quote
That does seem better than (uncorrected) DA 35mm f2.4. So that's a good lens for OP to consider! There are plenty good 28, 30, 31, 35mm lenses out there. But I think OP was mainly looking for a modern AF lens, choosing between the Sigma 30mm and Pentax DA 35mm f2.4
he wants to shoot landscapes, and that should always be done with mf, probably using live view on a dslr... he also asked for a lighter lens, and the old manual stuff hits that mark pretty well.

12-19-2015, 11:20 AM   #24
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The DA35 f/2.4 is really sharp in my experience, starting at f/2.4 on borders. I thing hie had a bad sample as I can confirm it first hand (I had it) and I have see review that show it too. I can't say for FF, but for APSC it does rock.

Photozone: Pentax SMC DA 35mm f/2.4 AL - Review / Lens Test - Analysis


Lenstip: Pentax smc DA 35 mm f/2.4 AL review - Image resolution - LensTip.com


ephotozine: https://www.ephotozine.com/article/smc-pentax-da-35mm-f-2-4-al-lens-review-16804


Here a landscape shoot that I made by mistake at f/3.2 with it:



And a night shoot at f/2.4, iso 1200

12-19-2015, 11:40 AM - 1 Like   #25
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QuoteOriginally posted by Bribieboy Quote
Hi,
I have a Pentax K-50 camera with the kit lens and I would like to buy a lens for landscapes. I am tossing up between the Pentax 35mm 2.4 or the Sigma 30mm 1.4. I am leaning to the Pentax because it is much lighter but I would like your opinion. Which one do you recommend.


Cheers Keith
May I ask why you want to buy a dedicated prime at 30 or 35mm for landscapes use? Landscapes are usually taken at f/8 or f/11 in APSC where the kit lense perform well at 30-35mm. This is not the best sure, but at 35mm it isn't bad at all and does the job. What do you expect out of the DA35 f/2.4 and FA30 f/1.4 that your kit lens couldn't do? Why would you also want a prime instead of a zoom? (I ask and I use only prime and shoot lot of landscapes, but I have 5 primes to do so).

Going prime can help on the sharpness and lens size/weight but you'll want several then. Landscapes are not shoot only at one focal length and you'll want to frame and control what you put into the photo rather than getting everything without thinkingany focal lens from 8mm to 500mm is a valid one but I would advise at least a 16-85 to cover the most common framing you could need.

Myself I cover from 15mm to 135mm and I use all the lenses in different occasions. I can't say one is better for landscape than the other, it really depend of the subject and your capacity to find interresting photos with different framing.

A pano made out of many DA15 shoots, only a fish would cover that wide area in 1 photo but without at much detail:



DA15:



DA35 ltd:



FA77:



F135:

12-19-2015, 10:41 PM   #26
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QuoteOriginally posted by osv Quote
that lens is a bad choice for landscapes, the sides are a blurry mess at landscape distances..
And I suppose you think Sigma 30mm f/1.4 would be superior in that respect?
12-20-2015, 01:13 AM   #27
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QuoteOriginally posted by Digitalis Quote
And I suppose you think Sigma 30mm f/1.4 would be superior in that respect?
??? are you drunk? or just high?

because i've repeatedly stated that i use legacy pentax lenses for landscapes, they rock on ff.

i've never shot that sigma lens... but it looks like there could be worse things in the world, lol Sigma 30mm f/1.4 EX DC HSM Lens Image Quality
12-20-2015, 02:04 AM   #28
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The Sigma 30mm f1.4 can be used for landscapes, but I prefer it more for indoor portraits.

Jpegs - resize w/ a little curve adjustments - at f7.1.

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