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Forum: Pentax K-1 19 Hours Ago  
Automated focus stacking
Posted By david94903
Replies: 15
Views: 762
Stacked is the correct terminology, whether stacked "in camera" or in post is irrelevant. All the photos are of the same exposure values, only the focal plane has shifted, in order to capture a larger DOF, typically used for macro/close up work. Bracketing is stacking photos with different exposure values, i.e. -2, 0, +2, in order to capture a larger dynamic range, typically used for landscape work.
Forum: Pentax K-1 1 Day Ago  
Automated focus stacking
Posted By david94903
Replies: 15
Views: 762
Great example of focus stacking. I've played with it but definitely on my more serious "to do" list.
Forum: Pentax SLR Lens Discussion 01-02-2019, 09:35 PM  
How to deactivate SDM and allow for screw drive autofocus with DA* 16-50mm f/2.8
Posted By david94903
Replies: 801
Views: 206,212
I used my K20d, with no issues, when converting my DA16-50mm to screw drive. Wonder if I should list that ability as a "feature" when I list it on the Marketplace? :)
Forum: Pentax SLR Lens Discussion 12-27-2018, 08:29 PM  
The "Angry Photographer" Was Right About This 135mm Lens...
Posted By david94903
Replies: 30
Views: 2,360
So I took the plunge on this. Finally bought a Nikkor 135mm f/2.8 Ai lens, and the Leitex mount. As you said, it wasn't an overly complicated swap. I followed the Leitax instructions to a tee, and all went well. Had a chance to put the lens through it's paces today. Yep. It is sharp. At F2.8, it's a tad bit soft but could just be me needing to get used to using a manual lens again, as it has a pretty narrow DOF at F2.8. But at F4 there is no needing to get used to anything, impressively sharp. And F5.6 is spectacularly sharp. I have to say I had high expectations for this lens and this lens has exceed those expectations. Going to be a fun lens to play with. And I can see how converting older glass can become an addictive process :)


I'll post a full crop as a follow up when I have a chance.
Forum: Pentax Camera and Field Accessories 12-26-2018, 12:44 AM  
Monopods for landscape?
Posted By david94903
Replies: 17
Views: 961
I think it depends on shooting technique and what kind of glass you're carrying. Personally, I've never thought much of the monopod when using one. Didn't fit my shooting style. So I'm typically hauling a tripod with me if I want the extra stability. But I have a friend who shoots a Nikon D810 with a 500mm prime lens and a teleconverter, who always uses a monopod (doesn't own a tripod). And he swears by it. My best advice is to try one and see how it works for you.
Forum: Pentax K-1 12-26-2018, 12:24 AM  
Recommendations for 20mm or so
Posted By david94903
Replies: 51
Views: 1,875
Yes, they are close to center frame.
Forum: Pentax K-1 12-24-2018, 03:23 PM  
Recommendations for 20mm or so
Posted By david94903
Replies: 51
Views: 1,875
I'm thinking you're right about the corner issue. I'm betting the DA16-45 are similar (DA being sharper) at the center but the DA goes softer at the corners than the M20/4. I have a D-FA24-70 and the M20/4, though not quite as sharp, holds it's own for a forty year old lens (see attached comparison)

And yes, the size of the M20/4 is fantastic. Easy to carry in a pocket. Though compared to the D-FA15-30, the A20 and FA20 are also a comfortable size too.
Forum: Pentax DSLR Discussion 12-24-2018, 03:49 AM  
K1 bokeh vs K10 apsc bokeh
Posted By david94903
Replies: 44
Views: 1,833
Interesting. Nice examples.
Forum: Troubleshooting and Beginner Help 12-24-2018, 03:28 AM  
SMC Pentax-D FA 100mm F2.8 Macro WR: increase magnification
Posted By david94903
Replies: 63
Views: 1,975
Sure you can. It's called lens coupling. Nass's Extreme Macro site has a page on that exact subject, complete with a Stacked Lens Magnification Calculator.


Coupling lenses for extreme macro

Also, WPRESTO turned me on to this site for adapter rings, which will be something you'll be needing. They have pretty much everything you can think of, and possibly a few things you can't, ha! Great resource though :)

AdapterRings.com - Offical Site. The world's largest seller of Camera Adapter Rings.
Forum: Pentax K-1 12-24-2018, 01:06 AM  
Recommendations for 20mm or so
Posted By david94903
Replies: 51
Views: 1,875
Oh, I've definitely tried better. And as nice of lens as the M20/4 is (especially when you're talking bang for the buck, which was something the OP was concerned about) (and yes, there are few better UWA, more expensive, options out there) it hasn't been getting much use since I purchased the D-FA 15-30mm during the Black Friday sale. Now that's a lens worth talking about. But I think that's a bit beyond the price point the OP was indicating.


For the OP's price point, there aren't a lot of UWA options out there at the moment.
Forum: Digital Processing, Software, and Printing 12-23-2018, 09:57 PM  
Monitor Recommendation
Posted By david94903
Replies: 6
Views: 446
I bought the Benq 27" (SW2700PT) monitor last summer. It was a great price and I've been extremely happy with it. It has a "hot key" puck that allows me to switch quickly between Adobe RGB, sRGB and B&W modes. Also came with a shade hood, which I thought was going to be gimicky but now can't live without. Excellent bang for the buck if you can't afford the Eizo.
Forum: Pentax K-1 12-23-2018, 09:40 PM  
Recommendations for 20mm or so
Posted By david94903
Replies: 51
Views: 1,875
I concur with Mattt. The M20/4 is a great little lens. And like Mattt, I have an M20/4 that has seen a lot of wear and tear, looks rough on the outside but still produces excellent images. The price of the M20/4, as has the price of the A20/2.8 and the FA20/2.8, has definitely climbed since the release of the K-1.

Lastly, I'm going to guess that the IQ of your DA16-45 is probably going to be similar, if not slightly better than the IQ on the M20/4. Plus the DA has the advantage of modern lens coatings, which do make a difference.
Forum: Troubleshooting and Beginner Help 12-23-2018, 09:21 PM  
SMC Pentax-D FA 100mm F2.8 Macro WR: increase magnification
Posted By david94903
Replies: 63
Views: 1,975
You also might want to check out Murray O'Neill's Pentax Bellows eBook. Even more useful information.


The Pentax Bellows eBook - Articles and Tips | PentaxForums.com
Forum: Troubleshooting and Beginner Help 12-22-2018, 07:28 PM  
SMC Pentax-D FA 100mm F2.8 Macro WR: increase magnification
Posted By david94903
Replies: 63
Views: 1,975
PF member Nass runs an extreme macro site, lots of good information regarding shooting bugs.


Extreme Macro Photography
Forum: Pentax K-70 12-17-2018, 11:12 PM  
Worth upgrading from K200D?
Posted By david94903
Replies: 18
Views: 813
Having started with a Sony Mavica in the late 90's (the one with the floppy disk), then on to the Kodak P880, to the Pentax K20d, then graduating through the K-5 series, and later the K-3, and now onto the K-1, the simple answer is yes, the upgrade is worth it. Just the improvement in dynamic range from generation to generation is reason enough.
Forum: Photo Critique 12-16-2018, 01:12 PM  
Landscape Sunset in the country.
Posted By david94903
Replies: 8
Views: 658
Actually it wouldn't be difficult if you're using Photoshop. First use the Lasso tool to select the grass area (doesn't have to be perfect by any means), then under the EDIT menu go to FILL, select CONTENT-AWARE in the CONTENTS box, and hit OK. And Whalaa! This is one of my favorite tools, great for removing unwanted in-laws from photos too :)
Forum: Monthly Photo Contests 12-01-2018, 01:23 PM  
Serenity
Posted By david94903
Replies: 40
Views: 485
I would like to nominate this photo
Forum: General Photography 11-28-2018, 10:38 PM  
Okay, sports fans, what is on your XMAS list and why.
Posted By david94903
Replies: 9
Views: 509
Pulled the trigger based on the Black Friday deals on a Pentax 15-30 lens. So I'm good for the big item. Now for the filters...
Forum: Pentax SLR Lens Discussion 11-27-2018, 11:19 AM  
Your FF Travel Kit
Posted By david94903
Replies: 91
Views: 3,008
Same here. That'd be the perfect modern lens for the full frame camera body.
Forum: General Photography 11-23-2018, 06:39 PM  
You can take amazing pictures with any camera.
Posted By david94903
Replies: 38
Views: 1,796
Great photos. Just added him to follow on Flickr.
Forum: Pentax DSLR Discussion 11-22-2018, 09:35 PM  
Would you upgrade from the K20d to the K5?
Posted By david94903
Replies: 43
Views: 1,462
Manual lenses work wonderfully on digital bodies, so staying connected, as you say, is easy to maintain. Regarding the camera body question, having had the K20d and the K-5, I'd say the upgrade is well worth it. But Adam's advice is spot on, and I'd recommend following it if your budget will allow for it.
Forum: Pentax SLR Lens Discussion 11-22-2018, 12:22 AM  
Your FF Travel Kit
Posted By david94903
Replies: 91
Views: 3,008
My full frame travel kit is my K-1, D-FA 24-70, M20mm F4, D-FA 150-450 (yes, it's a beast to travel with but I regret not having it when I travel), D-FA 100mm WR macro, battery charger, rocket blower, misc stuff, which all fits nicely into the Think Tank Street Walker Pro. Along with that I bring a set of Lee 100mm ND filters and my Induro tripod.
Forum: Flashes, Lighting, and Studio 11-18-2018, 10:52 AM  
Anyone Using "Flash Brackets" any more?
Posted By david94903
Replies: 14
Views: 854
I had a cheap Chinese knock off that failed in the middle of a shoot. Thankfully I caught the flash before it hit the ground. These days I primarily use Wimberley flash brackets. They're not cheap but their quality is excellent. And there are a lot of parts that can be found on fleabay for half of retail. I especially like the mix and match aspect of their components, you can pretty much build any configuration you want.
Forum: Pentax DSLR Discussion 11-18-2018, 10:45 AM  
Just bought a K-1. Do I sell my K-3 or K-3ii? Advice sought.
Posted By david94903
Replies: 26
Views: 1,320
I have the K-1 and the K-3. Sadly the K-3 gets almost no use these days. Once you get used to the level of dynamic range of the K-1, you'll never go back to the K-3 (okay, that's an over generalization but in my case it's true). Personally, I'd part with the K-3 and put the money towards the 15-30 lens.
Forum: Troubleshooting and Beginner Help 11-11-2018, 07:31 PM  
Pentax O-ICK1 gel stick and IBIS
Posted By david94903
Replies: 2
Views: 451
The O-ICK1 works great on any sensor. But the level of adhesion to the sensor can be a bit nerve wracking the first time through. I'd recommend a good stiff drink before and after, just to settle the nerves, LOL!
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