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Forum: Pentax DSLR Discussion 09-18-2019, 08:20 AM  
"Flagship" Pentax APS-C body - available NOW...
Posted By er1kksen
Replies: 35
Views: 2,545
RE that CCD "look:"

My first DSLR was an Olympus E-330, which was one of the earlier CMOS based DSLRs. After that a K20D, then a Canon 40D, then a K-x, a K-5, a Sony A55, a K-3 ii, then a Q7, then a Nikon V1, borrowed an Olympus E-p3 for a bit, all CMOS sensors. I've been shooting RAW and using lightroom pretty much the whole time.

Each of these definitely had its own distinctive rendering by the image sensor. The K20D and Q7 perhaps being the most distinctive, with the 12-16-24mp sony sensors all being sort of middle-of-the-road, the Aptina chip in the Nikon and the Canon chip in the 40D both being a bit more clinical and subdued, and the E-p3 nice on some colors but with very poor separation of green tones.

That last bit, separation of green tones, is especially important to me as a botanist who uses my camera more or less as my main notebook in the field.

Around the time I was mainly using the K-5 I picked up a used Ricoh GX100 cheaply, the first CCD sensor camera I'd ever used. The rendering of that sensor was VERY pleasing. Now, I don't know entirely that this is truly an artifact of the CCD vs CMOS sensor design, or a coincidental effect of companies tweaking the color filter array dyes to get better low-light performance around the time they all switched to CMOS, or processing differences, or what. But whatever the source of that special sauce happens to be, it's there, and prompted me to pick up my K10D. Which definitely delivers!

That said, I just applied BigMackCam's K10D-mimicking profile to files from some CMOS cameras and it goes a long way towards reproducing that look. I don't know that it'll rescue the mushy greens of that olympus sensor, but it definitely gives those sony sensors a bit more life. Looking forward to trying it on the GXR A12 50mm module.
Forum: Pentax DSLR Discussion 09-17-2019, 07:47 AM  
The K10D Club!
Posted By er1kksen
Replies: 4,962
Views: 475,825
Some late summer shots taken during plant surveys (all with F 35-70mm):

IMGP9130 by rootshaveapulse, on Flickr
Viper's Bugloss in the parking lot

IMGP9389 by rootshaveapulse, on Flickr
Bottle Gentian in full bloom

IMGP5582 by rootshaveapulse, on Flickr
Mantid on Sneezeweed

I picked up this K10D a few months ago and have really enjoyed it (aside from some weird AF behavior), definitely deserving of its modern classic reputation. 7k beautifully-rendered shots so far! However I have recently been seduced by the GXR, as the A12 50mm module (true specs 33mm f2.5 macro) is so very similar to the DA 35 ltd I've been pining for, and the S10 module is an upgraded version of the GX100 I loved so much and mirrors the LX3 I still use alongside the K10D. If it works out, look for another bargain-price K10D (and LX3, also an oldie but still goodie) to hit the marketplace, but this camera will always have a special place in my heart.
Forum: Pentax DSLR Discussion 09-16-2019, 10:47 AM  
"Flagship" Pentax APS-C body - available NOW...
Posted By er1kksen
Replies: 35
Views: 2,545
For me it's mostly been shooting wide focal lengths at smaller apertures. I am still getting good focus at least 75% of the time, especially with narrower depth of field. I expanded on the issue and my thoughts about it in my last post here and I don't want to take this too far off-topic, though.
Forum: Pentax DSLR Discussion 09-14-2019, 04:53 PM  
"Flagship" Pentax APS-C body - available NOW...
Posted By er1kksen
Replies: 35
Views: 2,545
I do have a bit of experience in bending the behavior of a variety of cameras and lenses to my will, from which I'm interpreting that yes, the problem lies with the PDAF sensor itself. Pentax F 35-70 and DA 18-55 ii in good sunlight/bright shade, focus anomalies mostly occurring on easy targets (or at infinity) while more difficult targets are often right on (with some bias in the fact that if I'm at a focal length where I can see the misfocus in the viewfinder, I won't be taking the shot as it is).

Checking the PDAF sensors for dust or dirt is a good idea, I will do that. I also work with infrared laser rangefinders, though, which use similar sensors in their receivers, and my experience with those is that as the components age they read more and more "noise" that results in anomalous readings. It would make sense to me if something similar were occurring here, since I'm not having issues with the camera failing to focus- it's an issue with the camera locking focus when nothing covered by the AF point is actually in focus.
Forum: Pentax DSLR Discussion 09-14-2019, 03:38 PM  
"Flagship" Pentax APS-C body - available NOW...
Posted By er1kksen
Replies: 35
Views: 2,545
Just center here too, but the way it does it with different lenses in inconsistent ways suggests calibration isn't the issue. When it happens with a 35mm+ fast lens I can see it in real time and keep trying to get it to focus properly, but at 18mm you can't see the difference in the viewfinder.
Forum: Pentax DSLR Discussion 09-14-2019, 03:29 PM  
"Flagship" Pentax APS-C body - available NOW...
Posted By er1kksen
Replies: 35
Views: 2,545
I see I was getting ahead of the crowd by buying a K10D a couple months ago.

There are compromises, like dodgy autofocus. I would think it was the lens, but it nails it half the time and miffs it in mystifying ways the rest of the time. Often at focal lengths/apertures where you can't tell until later that everything's just slightly out of focus until you open it up on the computer later. Maybe it's just the unit's age. I'm a big fan of buying used gear, but it's the sort of thing that makes me wish I had bought newer used gear.

It is a bummer that there's no "modern-er" body with that great CCD color.
Forum: Lens Clubs 08-21-2019, 02:43 PM  
SMC Pentax-F 35-70 F3.5-4.5 Cult Club
Posted By er1kksen
Replies: 173
Views: 29,678
I use my camera as my notebook while conducting plant surveys. Since I got my K10D about a month ago this lens has hardly left it. It's just so infuriatingly... adequate. The rendering is excellent, and it focuses just-about-close-enough in macro mode, and when I can shoot a subject outside of the very unhelpful non-macro minimum focusing distance I love the framing and look at 35mm wide open. Basically, this lens has convinced me that what I really want is a 35mm macro limited. But in the meantime, this thing just soldiers on. The plastic focusing ring on the front disappeared while crashing around in heavy brush recently. I unsuccessfully listed it for sale twice in the past. I'm pretty sure I'm just going to have to keep using it until it breaks to finally justify a purchase of the 35 limited.

IMGP4405 by rootshaveapulse, on Flickr

35mm wide open at minimum focusing distance, the rest are at 70mm in the "macro" range.

IMGP5582 by rootshaveapulse, on Flickr

IMGP5544 by rootshaveapulse, on Flickr

IMGP5606 by rootshaveapulse, on Flickr
Forum: Sold Items 06-24-2019, 05:14 AM  
For Sale - Sold: M 50 f1.7 and 50 f4 macro, F 35-70 f3.5-4.5 bargains- buy two get one free!
Posted By er1kksen
Replies: 8
Views: 1,265
Well, sold the 50mm macro (almost wish I hadn't), and can't really complain that the other two didn't sell as I'll be able to stick them on my new old K10D! Thanks everyone.
Forum: Sold Items 05-24-2019, 09:05 AM  
For Sale - Sold: M 50 f1.7 and 50 f4 macro, F 35-70 f3.5-4.5 bargains- buy two get one free!
Posted By er1kksen
Replies: 8
Views: 1,265
Yes, that lens is still available.
Forum: Photographic Equipment for Sale 04-14-2019, 02:02 PM  
For Sale or Trade: Sigma 85 1.4; Pentax k-x, k5, 18-55, 24-70, tamron 70-300, bags
Posted By er1kksen
Replies: 47
Views: 8,303
It would be great to see an image of the carbon fiber tripod and its head type. Thanks in advance!
Forum: Digital Processing, Software, and Printing 03-25-2019, 09:32 AM  
Lightroom Price doubled?
Posted By er1kksen
Replies: 17
Views: 1,345
The unsupported Map module still works fine (or better?) for tasks like loading gps tracklogs to add gps data to photos.

When I go to "Maps" in Lightroom Classic CC I get a popup that tells me Maps is no longer supported on this version of lightroom, have to upgrade to 8.0, etc. I click "OK" and go about my business loading a tracklog and syncing the gps coordinates into the photo EXIF. This is great! Because the Map is offline, it doesn't freeze up my feeble computer loading the full map functions that I don't want to use anyways! I'm just there to sync the gps data and as far as I'm concerned all the rest of the features in "Maps" are just bloat. Ideally, you shouldn't even have to go into the maps module to just sync a tracklog to a set of photos, but whatever.
Forum: Sold Items 03-15-2019, 06:21 AM  
For Sale - Sold: M 50 f1.7 and 50 f4 macro, F 35-70 f3.5-4.5 bargains- buy two get one free!
Posted By er1kksen
Replies: 8
Views: 1,265
Friday bump. Can't really drop prices any further!
Forum: Sold Items 03-11-2019, 06:54 AM  
For Sale - Sold: M 50 f1.7 and 50 f4 macro, F 35-70 f3.5-4.5 bargains- buy two get one free!
Posted By er1kksen
Replies: 8
Views: 1,265
Monday price drop.
Forum: Sold Items 03-05-2019, 04:18 PM  
For Sale - Sold: M 50 f1.7 and 50 f4 macro, F 35-70 f3.5-4.5 bargains- buy two get one free!
Posted By er1kksen
Replies: 8
Views: 1,265
GX100 sold. I've updated the listing of the lenses to offer a "buy two get one free" option!
Forum: Pentax DSLR Discussion 03-05-2019, 06:26 AM  
Can anyone recommend an android geotracking app?
Posted By er1kksen
Replies: 15
Views: 950
Yeah, make sure the timestamps are right. I had to adjust one batch of photos by 10 years because I hadn't realized that when I left the battery out for long enough the time/date defaulted back to the year of manufacture!
Forum: Pentax DSLR Discussion 03-04-2019, 07:16 AM  
Can anyone recommend an android geotracking app?
Posted By er1kksen
Replies: 15
Views: 950
I will second the recommendation for GPXlogger. It's very lightweight and straightforward.

I have also found that the phone's default location services (which google maps depends on when running in the background) are... I guess you could say they're lazy. They'll just jump to the nearest cell tower's location at random. I also have my phone set to geotag photos I take with the phone camera and the tags are WAY off at least half the time. Using a standalone logging app like GPXLogger I haven't had this problem so far.

It's also nice that the UI is so simple. No navigating vague menus to export the right file types, it just saves a gpx to the app's folder when you hit "stop" and it's right there when you plug your phone into your computer.

For those without lightroom I believe the freeware "easyGPS" also lets you sync geotags to your photo exif.
Forum: Pentax DSLR Discussion 03-03-2019, 09:11 AM  
The new APS-C silhouette speculation thread
Posted By er1kksen
Replies: 93
Views: 5,972
To really run the imagination wild, imagine a relatively compact K-mount mirrorless but with a DSLR-style grip, unlike the K-01, but either flat-topped or with a small EVF hump. A nice EVF either way, the Samsung NX1 sensor chip with the PDAF and frame rates that come with that, Pentax ergonomics and controls and otherwise outspeccing the K-3 ii in all respects while cutting the weight by a lot. I'd be into it. Even keeping the K-mount it'd be very competitive in size with most of the similarly specced APS-C mirrorless cameras with lenses attached thanks to the many very compact K-mount lenses like the LTDs and the 18-50. For telephotos it's a wash.

My biggest problem with my K-3 ii was its size, at the end of the day. If the K-3 line went in this direction and the K-P line continued keeping it real for those who prefer an OVF, I would think that was pretty cool. Total fantasy, probably, but technologically very feasible. And it'd probably sell enough, since Pentax seems to be smart enough to sell to its market and be happy rather than trying to be the next Canon.
Forum: Mini-Challenges, Games, and Photo Stories 03-03-2019, 08:39 AM  
Thematic Brenizer Method photos
Posted By er1kksen
Replies: 261
Views: 22,919
I believe for this one the software was just Photoshop CS4 or CS5... it was some time ago. Was on an even older laptop, too, I remember having to set the process up and then go make some coffee, eat something, tidy up the house, maybe read a book for a bit and then finally come back and see that the little green processing bar was almost full and cross my fingers it wouldn't crash at the last minute. If I knew more about how any why it turned out as it did I'd love to tell you, but to the best of my recollection the automated photomerge did as it pleased.

Sluggo, for a winter subject (I may be biased BUT) trees are great. Not a very dramatic example, but this one I actually shot with the 18-55 kit lens, I think two vertical rows of shots at the long end wide open! Was looking for enough subject isolation to really emphasize the exposed pattern of fungal growth that had been exposed by the bark falling off this dead tree, and I knew I couldn't get the desired effect with a single shot. Again, before I had heard of "Brenizer," but it was the same general idea. If I had done it with the 50mm f1.7 I think it would have been much more effective, but viewed large (which is how I would print it) it gives a good impression of depth and emphasis to the resulting image.

Untitled by rootshaveapulse, on Flickr
Forum: Sold Items 03-03-2019, 08:25 AM  
For Sale - Sold: M 50 f1.7 and 50 f4 macro, F 35-70 f3.5-4.5 bargains- buy two get one free!
Posted By er1kksen
Replies: 8
Views: 1,265
GX100 sold for $75, now we're just down the lenses!

The lenses for sale are three you all know and love, bargain priced because they have been well loved in turn:

M 50mm F1.7- $25 My most-used lens. This copy has some wear on the paint, and the outer ring of textured material on the focus ring has become loose- as in you can rotate it gently around the ring. When you're actually using it to focus you squeeze it anyway and the whole thing turns as a unit like it's supposed to, so it makes no difference in actual use, but technically must be considered a "defect." There is also a tiny imperfection in the glass on the front element, as shown, and the glass coating has some scuffs. This does not make any difference in image quality that I can tell. Aperture snappy.
P1060787 by rootshaveapulse, on Flickr
P1060791 by rootshaveapulse, on Flickr

M 50mm F4 Macro- $75 Other than a little of the paint wear on textured spots you'd expect on a lens this age, this one's in great shape in all respects.
P1060796 by rootshaveapulse, on Flickr

F 35-70mm f3.5-4.5- $25 The good old "stack of primes." On this copy, glass is good, body is good, but it was sold to me with a little bit of what appears to be sand having already gotten into the lens. This is visible in the focus scale window, and when manually focusing there's a tiny bit of resistance between 4m and infinity that feels like a piece of sand in the mechanism. There's also a touch of corrosion on the mount. So, not quite perfect. Never seemed to affect the autofocus, and I shot thousands of frames with it without being bothered. This lens is always a bargain, but this copy is even moreso.
P1060781 by rootshaveapulse, on Flickr
P1060785 by rootshaveapulse, on Flickr

Additional photos of all items here: https://www.flickr.com/gp/135293803@N05/7o13KK

Shipping depends on where you are and what you buy, probably $6-10.

This is also a "buy two get one free" sale- as in, $100 (75+25) gets you all three shipped (separately they total $125 plus another $4-7 each for shipping). Paypal preferred.
Forum: Lens Sample Photo Archive 03-01-2019, 10:21 AM  
Pentax M 50mm f/1.7 samples
Posted By er1kksen
Replies: 58
Views: 34,109
I've spent more time with this lens on the camera than any other, and usually wide open. I photograph plants, for the most part, and the rendering is often just magical.

Pink Lady's-Slipper in profile by rootshaveapulse, on Flickr

Untitled by rootshaveapulse, on Flickr

Untitled by rootshaveapulse, on Flickr
Forum: Pentax SLR Lens Discussion 03-01-2019, 10:10 AM  
"My kit it's enough!" Say it: "My kit it's enough!" Another case of lba!
Posted By er1kksen
Replies: 76
Views: 3,659
Are you sure your real issue isn't that you have too many lenses? Having that many choices would probably give me too much anxiety to go out and take pictures!
Forum: Mini-Challenges, Games, and Photo Stories 02-28-2019, 02:15 PM  
Thematic Brenizer Method photos
Posted By er1kksen
Replies: 261
Views: 22,919
Bruce, these are great. Very practical application of the technique, with the results being excellent portraits on their own, rather than more or less just a showcase of the effect.

I just rediscovered a nonhuman portrait I made some time ago, before I knew what a "brenizer" was but had worked out the concept nonetheless. The one glitch was that I forgot to lock the exposure, so even after some adjustment (I think it was about 20 frames) I was not able to equalize the exposure and you can see the stitch lines- but the more I looked at the result, the more I kind of liked it. K-x with M 50mm f1.7

bottomjpeg1 - Copy by rootshaveapulse, on Flickr
Forum: Lens Clubs 02-28-2019, 01:57 PM  
SMC Pentax-F 35-70 F3.5-4.5 Cult Club
Posted By er1kksen
Replies: 173
Views: 29,678
Really yearning for spring... got this shot of Virginia Saxifrage on my mind (K-5 with F 35-70).

IMGP9673 by rootshaveapulse, on Flickr
Forum: Lens Clubs 02-28-2019, 01:38 PM  
D-FA WR Club
Posted By er1kksen
Replies: 612
Views: 113,851
I try not to think about the 100mm WR Macro anymore. It's painful to remember how good it was, and that I definitely couldn't afford to get another one now! The simplicity of the manual focus override mechanism is just brilliant. Here's a few shots from last year I ran into while reminiscing.

IMGP3111 by rootshaveapulse, on Flickr

IMGP2169 by rootshaveapulse, on Flickr

IMGP0666 by rootshaveapulse, on Flickr
Forum: Lens Clubs 02-28-2019, 01:12 PM  
Q01 Lens Club
Posted By er1kksen
Replies: 40
Views: 5,343
Based on the many comments in this thread on the 01 Prime's sharpness, I must be the odd one out: I always had trouble getting truly sharp images out of mine. As a result it took a backseat to the 02 zoom even though I would have liked to have had it on the camera more. I probably just got a less than perfect copy, as it remained just a bit unsharp at any aperture and focusing distance. And perhaps I was judging a bit harshly, considering how inexpensive it is; it's at least as good as the 18-55 lenses on my SLRs. But the 02 zoom seemed to get into the same tack-sharp territory as the M 50mm f1.7 when used carefully. Even so, I cannot argue with the fact that the 01 prime "drew light" beautifully, as it did in these photos.

_IMP8491 by rootshaveapulse, on Flickr

_IMP8484 by rootshaveapulse, on Flickr

IMGP8750 by rootshaveapulse, on Flickr
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