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Forum: Pentax DSLR Discussion 5 Days Ago  
What's the draw for other cameras?
Posted By fehknt
Replies: 57
Views: 2,306
My brother, who I convinced to get a K3 as the best overall price/performance and ergonomics and durability, recently tried a mutual friend's new Z6 and he said it was "the first autofocus he's seen that felt like it could actually keep up with moving people" and it's supposed to be worse than the latest sony.

I recently had my first (in 4 years of using Pentax digital) "oh crap" moment where the equipment felt like it was holding me back when I almost missed the most important shot of an event because my K-1 buffer was full and it takes a good 4-5 seconds before you can take even a single frame more. Many times I wished for a higher frame rate or an equivalent pixel pitch of the K-3 (24mp crop, ~54mp FF) but this was the first time I really felt like it was nearly a wrecked shoot because of the long buffer clear time.

(Side rant: I really wish time to next frame after buffer exhaustion was a published spec.)

I've never handed my camera to someone who didn't like the ergo but I have handed it to a few who wouldn't touch it due to weight.
Forum: Pentax SLR Lens Discussion 05-31-2019, 04:09 PM  
Pentax 55/1.4 DA vs Nikon 58/1.4 on Full Frame
Posted By fehknt
Replies: 39
Views: 1,708
Is AF a must for your shooting style? The older Takumar 55/1.8 or the Helios 58/2 may suit your rendering desire better from what I've seen on the Nikon 58/1.4. Can share a couple photos if you're curious but I'm guessing most wedding shooters would insist on AF :)
Forum: Pentax SLR Lens Discussion 05-25-2019, 02:21 PM  
Three Primes
Posted By fehknt
Replies: 19
Views: 1,065
My K-1 prime kit is usually something like:
DFA50, Rokinon 24, DFA100WR

Where the DFA50 (or, if I'm feeling like saving weight, the 40XS is acceptable in a pinch if you don't care about corner sharpness) will be my "walkaround" and I'll swap to the 24 or 100 as the situation calls for it. On a trip two days ago I took the 40 instead of the 100 as I was planning on the wider end; didn't end up taking the 40 out but it's so light it often rides along because why not... Sometimes I'll swap in a Helios44 or Takumar 55mm if I'm feeling like a break from modern glass. :)
Forum: Pentax Medium Format 05-17-2019, 09:59 AM  
Pentax 67: just one lens
Posted By fehknt
Replies: 26
Views: 1,128
I thought I'd love the 105/2.4. It's nice but I find myself surprisingly enjoying the 55/4 more often. Not something I've really figured out, I'm pretty new to the 67 system.
Forum: Pentax Film SLR Discussion 05-05-2019, 11:38 AM  
Scanning film.....
Posted By fehknt
Replies: 31
Views: 1,416
That would help but the main pain point seemed to be loss of detail. Maybe they just smashed it with "enhancement" but it really didn't seem like it should be that bad. I'm sure I could do it better if I configured it to my taste or went back and forth with the lab on several rolls of film but after they ruined a set of negs (luckily I didn't care about them as they were a test roll) I am just kind of sour on "pro" services and would definitely recommend doing it yourself so you can be in control and do it to your tastes, whatever option you choose.
Forum: Pentax Film SLR Discussion 05-05-2019, 11:01 AM  
Scanning film.....
Posted By fehknt
Replies: 31
Views: 1,416
I've had pretty good luck with the low-cost solution of a decent quality but cheap LED light table and a tripod to take photos of the film by just manually moving the film past the camera, then I cut into strips and sleeve. Even with slight film curvature left over it's fine for online at f/8 with a macro lens; I can re-"scan" anything that I want to print more carefully (I.e., with a film holder or something).

I did a comparison with what I got from a lab Noritsu and was happier with my K-1 than the Noritsu so I stopped paying for scans. Maybe it was just the scanner operator but if I'm happy at the end of the day and it's faster and cheaper... :)

Edit: for the curious, this was the light source -- https://www.amazon.com/gp/product/B0755C2CBF/ref=as_li_ss_tl?ie=UTF8&psc=1&l...language=en_US and these are the comparisons: https://www.dgradyphoto.com/Scan-Comparison/n-7trNfN/i-D7BjF6L/A -- Note the K-1 photos are just for comparison on color/detail; they're badly done without even de-sleeving the negatives. If you do that it's much better and doesn't have the weird line on it.
Forum: Pentax K-3 03-27-2019, 03:56 PM  
Shutter Count Maximum
Posted By fehknt
Replies: 23
Views: 1,452
I've only seen one broken shutter in person. The blades snapped and there were paces all over the mirror box. There was slight warning by some slowing down of the shutter curtain and causing black bands in images.

Nothing you describe sounds like a shutter issue to me. Maybe the body focus motor is wearing out? Maybe the lens has some sand or other grit in it? Does it seem fine on a lens with one of the in-lens-motor silent focusing systems?
Forum: Pentax K-3 03-27-2019, 10:42 AM  
Shutter Count Maximum
Posted By fehknt
Replies: 23
Views: 1,452
Pentax K-3 II Review - Conclusion | PentaxForums.com Reviews

k3-ii rated for 200k, but I suspect that's something like mean time to failure or some other rating where a significant number of shutters will fail before that and a significant number will last longer.
Forum: Pentax SLR Lens Discussion 03-17-2019, 12:08 PM  
WD40 safe for stiff focus?
Posted By fehknt
Replies: 13
Views: 2,139
wd40 is penetrating oil specifically designed to migrate -- would not recommend. Lighter fluid is fine for cleaning out old grease but I wouldn't apply it without taking things apart, it'll thin the grease temporarily making it seem to fix things for a bit but then potentially causing it to also migrate around and potentially remove the lubricating layer on some parts causing an increase in wear. It's probably not hugely difficult to solve "for real" by taking it apart and actually cleaning out the old grease and re-applying fresh stuff (helimax is my go-to for low-migration) but I have no idea on that specific lens how hard it would be.
Forum: Repairs and Warranty Service 03-06-2019, 11:41 AM  
M 35mm f2.8 helicoid re-grease instructions?
Posted By fehknt
Replies: 8
Views: 582
Ah, yeah I didn't think about the rubbers, the part I was working on was clearly only aluminum. The grease was black from aluminum wear and dried out into chunks. It is now my best/smoothest manual focusing lens and I'm tempted to pull apart perfectly working lenses to add the Helimax-XP. It's got _such_ a good shear viscosity transition when focusing!

I used q-tips and an old toothbrush for scrubbing hard chunks.
Forum: Repairs and Warranty Service 03-06-2019, 10:24 AM  
M 35mm f2.8 helicoid re-grease instructions?
Posted By fehknt
Replies: 8
Views: 582
I don't know about "safe" exactly (I'm not an expert and have no particular training) but I've used rubbing alcohol and "MicroLubrol Helimax-XP" (avail on amazon) which is probably excessively priced and spec'd but it's specifically formulated for helicoids so I trust it a little more than random grease to not rapidly transport itself all over the iris etc.

I dropped the helicoid into an ultrasonic jewlery cleaner with dilute rubbing alcohol after wiping it down to get the last of the gross stuff off. Repeat with fresh solvent until it no longer discolors :)

EDIT: not actually with that lens, so I have no idea if there are special considerations.
Forum: General Photography 03-05-2019, 06:20 PM  
Online photo posting advice. Flickr? Instagram? Other?
Posted By fehknt
Replies: 39
Views: 1,556
No, it's not really for posting on external sites, because of that I think.
Forum: General Photography 03-05-2019, 04:13 PM  
Online photo posting advice. Flickr? Instagram? Other?
Posted By fehknt
Replies: 39
Views: 1,556
smugmg for me as a portfolio site, but I don't put up new content all that often. To share with friends/family I make albums on Google Photos and send them links. Occasionally I post to Instagram but kind of haphazardly, I also go through the Google Photos -> Instagram connection on the phone.

On my smugmug portfolio site, I enable the right-click protection (just to remind people copyright is a thing, not because I really think it does anything technically) and the friends/family I'm sending Google links I'm perfectly fine with them accessing the 16mp Google-downres versions that Google enables free infinite storage for. They're really amazingly good downres algorithms, when I need a smaller file for something I'll often upload to Google and download their re-compressed version!

If I need store RAW or full-res in a more serious way (everything I've printed goes into this category) then I put backups of full-size files on Google Drive where they don't re-compress and just leave the file exactly as-is.

So basically, I have different outlets depending on my goals. :)
Forum: Film Processing, Scanning, and Darkroom 03-03-2019, 04:59 PM  
Shooting tri-x at ISO 200
Posted By fehknt
Replies: 10
Views: 603
If you're scanning it, totally fine to just develop as-is for a 1 stop overexposure. In fact I often shoot this way on purpose. You'll get somewhat denser negatives which is actually pretty nice for scanning. If you're doing analog printing... not sure. :)
Forum: Pentax Medium Format 02-28-2019, 02:31 PM  
Travelling with MF - how much kit do you carry?
Posted By fehknt
Replies: 18
Views: 1,366
Last trip I did with MF was backpacking where weight is always top-of-mind. I ended up carrying just the 6x7 MLU, the 105, and the 55 plus a solid mid-weight tripod and a bunch of film (total ~4.5kg). I'm not convinced I would have changed anything for that trip... Other than maybe less film, I couldn't decide what I wanted to shoot ahead of time and ended up bringing way too much. More often I do digital on the K-1 but the 6x7 is so enjoyable to shoot and the speed difference (burning film $$$) is a great change to my routine and helps me really consider my shots before pressing the shutter.

"Finding time" is usually taking a vacation day on Friday and getting out early into landscape locations the AM before most people, then on Saturday when the serious crowds head out I'm heading back. On some occasions I'll do Th-Sa or F-Su but that requires significantly more planning than a single overnight. If I've gone a place before then I can make some planned shots, but usually my planning is based on topo maps and/or trail reports.
Forum: Ricoh GR 01-25-2019, 01:01 PM  
Wired magazine put Ricoh GR III into Top 3 Compact Camera List
Posted By fehknt
Replies: 17
Views: 2,313
Honestly I found the article pretty terrible, even if it's nice to see the nod to the Ricoh. Things like "Massive 1 inch sensor" for the Sony then "squeezing a 24mp in" for the Ricoh and "bulkier with added capability" for the Panasonic without commenting on the fact that the Ricoh has an APS-C sensor while the Panasonic has a 4/3 sensor and slower lens which is probably not very well suited to astrophoto, no matter the features...

Maybe I'm being harsh but it felt like "this is what the marketing seems to say, reworded" rather than an actual informed opinion of someone who understands the tech involved or someone who's used all three at least (which would be surprising given the GRIII isn't out, but there are often pre-release review copies so not too shocking).
Forum: Pentax DSLR Discussion 01-10-2019, 02:34 PM  
Pentax not for shooting kids
Posted By fehknt
Replies: 28
Views: 2,121
I use center point focus-and-recompose with back button focusing in AF-C pretty much exclusively. That has its own issues but for me has worked better than any other system (including when using someone else's canon or nikon). The main reason I use it this way is that I can let up on BBF button faster than I can re-acquire my target (i.e., if I lose the target or am about to lose the target, I let up and stop focusing system until I'm back in frame so the lens doesn't get super far out of whack while it hunts because my target isn't there).

Using my K-1 with the DFA*50, I spent a week with my nephew recently and was plenty happy with the focusing, esp. in low light. Of course not all my shots were perfect but mostly due to framing and timing and not so much due to autofocus. The K-1 was a significant improvement versus my K-3ii, even on screw drive lenses. I actually really enjoy running the 40XS on the K-1 for kids because you get the 'rangefinder-esque' view of more of the frame than you're shooting (if you shoot crop mode) as the 40mm has almost full coverage. And it may not focus super close but it snaps into focus REALLY quickly on the K-1 partly because it's so light.

I don't really have tricks per-se, other than that I actually like having a bit of motion blur with a flash added so there's crispness of the main image but also a sense of the motion being captured. The absolute best 'dynamic' photos I've seen always have been (by my taste anyway) partially blurred and partially crisp, so you can see the subject but also feel the motion. I shot my nephew at 1/45 mostly with added flash to get this look (fast enough that not in motion seems pretty much non-blurred, but a fast moving hand will have a bit of blur to it even with the flash).
Forum: Pentax SLR Lens Discussion 01-03-2019, 06:54 PM  
Just had to tell someone how excited I am about new maro lens
Posted By fehknt
Replies: 22
Views: 1,449
Nice! Love that one...
Forum: Repairs and Warranty Service 12-12-2018, 08:12 AM  
Pentax Repairs
Posted By fehknt
Replies: 19
Views: 1,383
One experience with Precision -- sent in a body with a lens stuck to it (no idea still how) -- was charged the quoted price for repair and got a pristine looking cleaned up camera and lens within the timeframe advertised.

Yes, it's not as convenient as dropping it off at a local pro shop and having them deal with shipping, but not much less as the post office is around the corner from me. :)
Forum: Pentax SLR Lens Discussion 12-10-2018, 05:59 PM  
K-1 not releasing with D-FA* 50mm f/1.4
Posted By fehknt
Replies: 10
Views: 1,058
Try it in release-priority mode so it doesn't wait for AF, maybe it's having trouble getting focus confirmation?

Pentax K-1 Review - Focusing | PentaxForums.com Reviews
Forum: Pentax DSLR Discussion 11-30-2018, 11:18 AM  
Pentax birding
Posted By fehknt
Replies: 22
Views: 2,088
The 150-450 is pretty great, I'm pretty happy with it for birds. Haven't used the competition, so not really sure how it compares.
Forum: Digital Processing, Software, and Printing 09-21-2018, 09:20 AM  
Printing resolution?
Posted By fehknt
Replies: 11
Views: 888
short answer: yes.

long answer: well, I don't know that it's quite the right question to ask and the right question all depends on what size you are printing. You have some constant #pixels and depending on the area they are spread out over, it'll be either low or high resolution (which is often used interchangeably between total display dots and per-unit-area measures but I believe is more technically correct in per-unit-area).

A common way to think about this is to ask the reverse: "If people will look really closely at my print, I'll want the resolution to be 300dpi, so for the K-1 pixels (7360x4912) I can print at most 24.5x16.4 inches before it will look low resolution to the viewer." And you pick the dpi measurement depending on the expected viewing distance -- a billboard is super low resolution actually but you never notice because the viewing distance is so long that you can't resolve the pixels.

Of course, that's just the upper bound on print size, anything smaller will look good too.

Or, maybe you are asking if you print small at 4x6 if the full file will actually have every pixel individually resolved. Depends on the printer I suppose but generally, no, the ink droplets are too big and I believe the highest "normal" prints can resolve is between 200-350 dpi. There's a lot of printers out there that claim higher resolution but if I understand what's happening there it's a matter of positioning accuracy and the ink droplets will soak/spread a bit so even though they aren't lying exactly about the resolution that they can print at -- it does help produce more even tonal gradients etc. -- it doesn't help much reproducing super fine detail as it would on a screen where pixels are nearly perfectly separated from each other.
Forum: Digital Processing, Software, and Printing 09-01-2018, 01:02 PM  
Pixel Shift Processing (Photoshop/Camera Raw)
Posted By fehknt
Replies: 3
Views: 857
RawTherapee does things _much_ better than DCU or LR in my limited experience. I do pixel-shift tweaking for RAW development then export a 16bit TIFF to bring into LR/PS for final edits, generally speaking. I was just about to start a thread with my experience because I was blown away by how much better RawTherapee did, but this reply will do :)
Forum: Post Your Photos! 08-30-2018, 06:05 PM  
Black & White Portrait by Firelight
Posted By fehknt
Replies: 4
Views: 248
Thanks!
Forum: Post Your Photos! 08-29-2018, 05:19 PM  
Black & White Portrait by Firelight
Posted By fehknt
Replies: 4
Views: 248
The moon... if I remember correctly? It's just a big defocused blob at this point :)
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