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Forum: Troubleshooting and Beginner Help 11 Hours Ago  
Problem autofocusing in ks2 movie recording
Posted By Kozlok
Replies: 7
Views: 190
If you prioritize video, including auto focus during videos, then Canon is your brand. If you want the best stills camera for a given amount of money, Pentax rules.

If you bought a small Honda Civic and was annoyed it couldn't fit a full sheet of plywood inside, it's the same sort of issue. If you need to haul things, get a truck. If you need to get just you around the city, the Honda is better. They're both vehicles, both can carry things, both can carry people, but different design priorities.
Forum: Pentax K-70 14 Hours Ago  
Wide angle lens question
Posted By Kozlok
Replies: 12
Views: 362
If you want the sun or other bright lights in the photos, then the DA15 is THE choice. If you like sun-stars, get the old DA-15, not the newer HD DA-15. If you want a faster lens for astrophotography, the 14 is better. The Sigma 8-16 is quite nice also, but suffers from flare more than I like, and it's heavy, and the aperture is very slow.

One thing I will say, if I pixel-peep my DA15 images, they are not as good as the Sigma 8-16, but just out shooting photos, I always end up with better images with the 15. It's just more inspiring to use. Most of my very favorite images were with the 15.
Forum: Pentax SLR Lens Discussion 14 Hours Ago  
Sigma 17-70 Contemporary v. Pentax HD DA 16-85 v. Pentax 18-135 WR
Posted By Kozlok
Replies: 28
Views: 545
I have the 18-135, the 16-85, the *16-50, and the first-generation Sigma 17-70. Which lens you choose depends more on what you want to do with the final images and a few other factors. If you are a pixel peeper, and want corner sharpness, the 16-50 is better, followed very closely by the 16-85, then the 17-70, and the 18-135 is last. Center sharpness is basically the same between them, the corners are where the big differences lie. The 18-135 corners are worst at the long end, but never amazing. On your monitor, or on facebook, the differences are small. Printed big, or on a 30" monitor, you can definitely see the differences.

18-135: If it's the Pentax kit with the 18-135 already in it, and the plus-cost is around $200, this is your very best bang for the buck. You can sell it for around $200 or a little more, so if you don't like it, sell it along, you have lost zero dollars. The 18-135 is a great one-lens vacation lens, hiking lens, whatever. It's WR so you can take it out in bad weather. There's really a lot to recommend this. You can shoot with this lens while you save up another 350, sell it for what you paid, trade up to the 16-85!

Sigma: The first-generation Sigma is screw drive and you can get one used for around $150 or so, so a very budget-friendly solution. The contemporary is a little nicer, doesn't focus quite as closely, and it has a silent motor. Not WR. I'd say the IQ is very slightly nicer than the 18-135, but what I really like is the close focusing. Focuses very close for dramatic wide angle shots of things. If you have to pay more for the Sigma C vs. the 18-135, I wouldn't do it.

The 16-85 is nicer than the 18-135 in their shared range, but the 135 will get you closer to the action. If you already carry the 50-200, then you don't need 135, but then again, this is a big step up, price wise. The 16-85 is much better for flare, which is important for me, not so much for others.

The 16-50 can be had used for around $300 if you are patient. The SDM motor WILL fail on you eventually, and you'll need to get it converted to screw drive, but whatever. It's a great lens at this price. At full retail? No, but at $300? YES!! My only caveat for recommending this lens, assuming you will buy only one lens, is me personally, I hate having to switch at 50mm as I often hover around this FL. If I know up front I won't need to be around 50, I'll take this and my 55-300, or a 70-200 if I'm feeling strong (the 70-200's are all very heavy). Or if what I'm planning on doing is slow enough that I will have time to change lenses, and photography is my main objective, then this is a great choice. If my main objective is spending family time, or taking a vacation, or seeing the sights and the camera is along for the secondary purpose of photography, the 18-135 is ideal in this case.

The 16-85 you said is out of your budget now, and if I were in your budget-shoes, I would get the 18-135 and not worry one bit! I'd get the 18-135, next step upgrade the 50-200 to the 55-300 PLM, then another $300 later get a 16-50 (or the Sigma 17-50/2.8) used. After that, you should explore the DA or FA primes, but now we're in big-money territory!
Forum: Pentax Full Frame 18 Hours Ago  
Considering full frame need lens help
Posted By Kozlok
Replies: 21
Views: 587
I’m going to disagree with your first impulse. You are much better off taking your money and getting better lenses and staying APS-C.
Forum: Pentax DSLR Discussion 2 Days Ago  
What is the purpose of TAv Mode on Pentax DSLRS?
Posted By Kozlok
Replies: 31
Views: 1,322
TAv is awesome. You set shutter and aperture both manually, ISO floats on auto. It’s like program mode but with more control, or you can think about it like manual mode with auto-ISO.

You use TAv when you want a specific aperture for DOF and a specific shutter speed to control motion blur of the subject.
Forum: Pentax SLR Lens Discussion 4 Days Ago  
Sell a 35mm limited for the fa 31mm?
Posted By Kozlok
Replies: 20
Views: 912
All 31’s have some purple fringing. It’s not a copy-to-copy problem as far as I know. You could just look at examples on the internet to see if it bothers you. Lightroom can fix it, so to me it’s a non-issue.
Forum: Pentax DSLR Discussion 03-09-2018, 08:38 PM  
Very undecided ‘which camera ‘ old man. Help please.
Posted By Kozlok
Replies: 28
Views: 1,437
If you buy the K-70, if there’s money left in the budget add the DA16-85. Really a great lens. If money’s tight, I’d invest in a Sigma 17-70. Both are far ahead of the kit lens.
Forum: Photographic Technique 03-09-2018, 06:22 AM  
Landscape Setting Exposure with a 10 Stop ND
Posted By Kozlok
Replies: 16
Views: 625
If I’m doing long exposure work I leave the family at home, or invite them to find something else to do for a bit. But it’s not that slow. Put your front wheel to control ISO in Av, set ISO to 100, set the aperture you want, remember the shutter speed, put on the filter, switch to M, dial in that shutter speed at ISO 100 and the same aperture, then just count clicks. Assuming you have it set for half-stop clicks, just go up 20 in shutter speed. Take the shot, review the histogram and adjust a bit if you need to. Total time is 2 minutes or so. You don’t have to repeat the first part for more shots unless you move somewhere dramatically different. Just guess, shoot, review histogram, adjust, repeat.
Forum: Pentax SLR Lens Discussion 03-08-2018, 09:16 PM  
A third party hood for the 40mm on..
Posted By Kozlok
Replies: 2
Views: 320
I use a third party 40mm hood for my FA43. Works better than the FF hood for APS-C
Forum: Pentax SLR Lens Discussion 03-08-2018, 02:17 PM  
DFA 15-30 -- confidence
Posted By Kozlok
Replies: 15
Views: 994
Unrelated to the lens, Chaco Canyon NM is a dark-skies heritage site. Probably your best bet for astro.

If you’re down south, White Sands has more-unique landscapes. Carlsbad caverns is also a unique opportunity worth your time.

If you’re near Albuquerque, the view from Sandia Peak is wonderful. 10,000 ft altitude, so take it slow up there.
Forum: Pentax SLR Lens Discussion 03-06-2018, 08:53 PM  
Lenses for Yosemite, San Francisco, Pacific highway trip by a Brit!!
Posted By Kozlok
Replies: 39
Views: 1,082
Maybe get good at stitching panoramas and not carry the 15-30?
Forum: Pentax DSLR Discussion 03-06-2018, 05:06 AM  
The best portrait photography lenses
Posted By Kozlok
Replies: 48
Views: 2,335
Rough words. For me, the 43 is better than the 40 80% of the time, and better by a lot. The other 20% of the time I could see calling it garbage, but when the 43 hits the right scene, it’s magical.
Forum: Post Your Photos! 03-01-2018, 08:55 PM  
Abstract Moonrise, Sunset.
Posted By Kozlok
Replies: 14
Views: 381
Great execution.
Forum: Pentax SLR Lens Discussion 02-28-2018, 06:52 PM  
18-135 or 28-105
Posted By Kozlok
Replies: 21
Views: 899
The 18-135 is available used quite cheaply, and has a great reliability reputation, so a reasonable used buy.
Forum: Troubleshooting and Beginner Help 02-28-2018, 06:53 AM  
FILE FORMAT option is blocked
Posted By Kozlok
Replies: 5
Views: 333
In my K30 if I remember correctly, the scene modes also only shoot jpg. Not sure if K20 has scene modes?
Forum: Pentax SLR Lens Discussion 02-26-2018, 06:08 AM  
18-135 or 28-105
Posted By Kozlok
Replies: 21
Views: 899
If you liked the 50-135, the other lenses will disappoint. Just get another 50-135 and be done with it. Buy used and sell it when you upgrade to the K-1. You can get a used 16-50/2.8 or a Tamron or Sigma 17-50/2.8 pretty cheaply these days to fill in the wide end. Sell these too when you upgrade. Used prices are reasonably stable so it won’t cost much in the end.
Forum: Troubleshooting and Beginner Help 02-24-2018, 07:57 PM  
Tested out my 3 FA Limited lenses today.
Posted By Kozlok
Replies: 104
Views: 3,753
I also recommend learning how to meter manually. Read “Understanding Exposure” by Bryan Petersen. It improved my joy of photography immensely.

After shooting a photo I really want to turn out right, I always check my histograms to make sure nothing is wildly over/under exposed and then edit to what I really want in post.
Forum: Troubleshooting and Beginner Help 02-23-2018, 10:59 AM  
Totally lost understanding the new Lenses......
Posted By Kozlok
Replies: 20
Views: 1,129
For a one-lens walkaround for APS-C, I recommend the dA16-85. If your budget is tight, a used Sigma 17-70 is my second choice.
Forum: General Talk 02-21-2018, 07:14 AM  
Trials and Tribulations in seeking to buy a newer or even new car.
Posted By Kozlok
Replies: 57
Views: 1,144
Get a Mazda 6. Real transmission (no cvt), sporty but comfortable ride. Super reliable, great gas mileage. I truly love ours. If you want SUV style, the CX5 Mazda is also nice.
Forum: Photographic Industry and Professionals 02-19-2018, 09:59 PM  
What is Pentax doing?
Posted By Kozlok
Replies: 82
Views: 4,295
Tracking a moving subject in the dark? I think no brand will do that. In any case, cameras are just tools. Sell yours and get a Canon or Nikon if they work better for what you need. I wish my Jeep handled like a sports car, but it doesn’t. And a sports car doesn’t work as well when the pavement ends. Different tools for different jobs.

For me, Pentax does what I need better than most. My subjects are stationary.
Forum: Pentax Full Frame 02-18-2018, 02:58 PM  
How sharp is the Pentax 70 - 200 f2.8 wide open on K1?
Posted By Kozlok
Replies: 32
Views: 2,181
The magnification ratio is 2.45x as much, so quite a lot, actually.
Forum: Pentax Full Frame 02-16-2018, 05:35 PM  
How sharp is the Pentax 70 - 200 f2.8 wide open on K1?
Posted By Kozlok
Replies: 32
Views: 2,181
Tamron MFD is 0.95m (0.32x), Pentax is 1.20m. (0.13x); right off the spec sheets.
Forum: Pentax Full Frame 02-15-2018, 11:09 PM  
How sharp is the Pentax 70 - 200 f2.8 wide open on K1?
Posted By Kozlok
Replies: 32
Views: 2,181
The Tamron 70-200 is quite a bit cheaper and lighter, but still quite excellent. Has a better MFD also.

It is noisy and not WR though.
Forum: Pentax SLR Lens Discussion 02-15-2018, 06:22 AM  
Lens suggestions for light k3-ii hiking setup....
Posted By Kozlok
Replies: 33
Views: 1,207
I too recommend the 16-85. I also really like the Blackrapid straps. Either the Sport if you are not using a pack, or the Backpack model to attach to your backpack.

The 16-86 is $530. If budget is a concern and you do not need WR, the first-generation Sigma 17-70 2.8-4.5 is 98% as good as the Pentax and available used for around $150. I’d get the Pentax just for WR though. You can keep shooting in the rain that way.
Forum: General Photography 02-13-2018, 05:05 PM  
This must be a good read for the price :-
Posted By Kozlok
Replies: 10
Views: 761
I’ve also read of people selling things to themselves (i.e. they own other accounts that do the “buying”) at incredibly high prices as part of a scheme to launder other illegal income.
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