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Forum: Sold Items 2 Days Ago  
For Sale - Sold: Olympus 24mm f2.8 OM-System Zuiko: (lowered)
Posted By travelswsage
Replies: 20
Views: 2,547
pm sent
Forum: Pentax SLR Lens Discussion 05-18-2020, 10:14 AM  
Pentax 67 55mm, 120mm; TiltRokr; Infrared
Posted By travelswsage
Replies: 1
Views: 302
I finally got a chance to get out and try some infrared with a Sony a7rii full spectrum converted camera. I'd found in preliminary tests that most of my lenses were hotspotting and it seemed the newer the lens the worse the IR performance. The dfa lenses (esp. 70-200 2.8) were the worst, but the lensbaby velvets and zeiss zk 25mm and 35mm weren't all that great either. I took the 25mm along to have something wide but it hotspots after f5.6.

The best performers, in fact almost perfect were the pentax 67 55mm and 120mm lenses. I had previously tried out the Pentax 67 100mm macro and this worked well so I had high hopes for the other 67 lenses and wasn't disappointed. I was hoping the 120mm in soft focus might mimic the "glow" of the old kodak film but at least on structured subject matter like barns I found the sharper versions more to my liking. To bad there is nothing rectilinear wider than 45mm for the 67 system. The 120mm is a bit long for most landscapes. If anyone has experience with using 645 lenses for IR I'd enjoy hearing your results.

For those interested in the TiltRokr adapter I found the shift works well in the field either in the horizontal or vertical format -- my adapter is a bit stiff so actually shifting the lens required a little force which sometimes moved the camera or tripod and forced a redo. Tilt on the other hand is extremely annoying because access to the screw loosening the tilt function requires you to first shift off axis to get access to it. If a longer screw were available it would make the tilt function much more useful. I would have like to be able to tilt the lens ever so slightly sideways in order to get a receding wall to pop into focus but I couldn't figure out a way to do this with the adapter.

These are all with the 850nm filter and run through LR6, PS 6 and SilverEfex.

Annoyingly the Sony does not record the lens focal length even if you input it manually for the shake reduction system which is a really nice feature of the K-1. Also the Sony does not allow multi-exposure which I've found effective using the Lensbabies on the K-1, shooting one shot at F16 for sharpness and then overlaying an F2.8 or F4 glow effect. The K-1 does spoil ...

1. Pentax 67 120mm at F8 (very little soft focus)
2. Pentax 67 55mm at F11 or F16
3. Pentax 67 120mm probably at F5.6 or 6.7. Compare with next.
4. Pentax 67 120mm at F11 or F16
5. Pentax 67 55mm
6. Pentax 67 120mm probably at F8 or F11. 2 shot pano shifted horizontally.
Forum: Post Your Photos! 05-16-2020, 04:48 AM  
Landscape Sunrise at Passo Giau, Dolomites
Posted By travelswsage
Replies: 6
Views: 239
Love it! Well balanced composition. The lichens and color of the foreground rock really anchors the scene and holds the eye in the frame. Nice work!
Forum: Post Your Photos! 05-16-2020, 04:46 AM  
Nature Fox puppy playing with a prey remnant (Grey Squirrel tail)
Posted By travelswsage
Replies: 10
Views: 280
Wonderful shot!
Forum: Pentax News and Rumors 05-15-2020, 05:23 AM  
Official sample photos of DFA 85 F1.4 from Pentax
Posted By travelswsage
Replies: 3
Views: 1,142
I can't answer the viewfinder question but as for the two blue tabs on the sides they are for quick connection to a camera strap.
Forum: Pentax News and Rumors 05-14-2020, 05:33 AM  
PENTAX new product introduction video coming soon
Posted By travelswsage
Replies: 286
Views: 18,038
I'm guessing we'll finally hear about the teleconverters ...
Forum: General Photography 05-14-2020, 05:20 AM  
I'm Famous! (not really) - Denver 7 Article on My Astrophotography
Posted By travelswsage
Replies: 32
Views: 1,098
Absolutely wonderful shots Andrew! Great article to -- thanks for sharing!
Forum: Product Suggestions and Feedback 05-11-2020, 05:57 AM  
Software Pixel for Hyper DR
Posted By travelswsage
Replies: 2
Views: 178
Yup, I'd use something like this. While they are at it they could also add a focus shift feature similar to the one in the Nikon D850. It' been a little disappointing that there has been no firmware updates of significance to the K-1/K-1 ii -- I think a few substantive additions to the firmware would buy Pentax a lot of goodwill and extra time to develop the next generation of products.
Forum: Pentax K-1 05-10-2020, 12:03 PM  
K1 or FF mirrorless for manual lenses
Posted By travelswsage
Replies: 27
Views: 1,322
Just fyi -- fotodiox does make an adapter that allows you to control the aperture -- it's not the greatest but it works. I use my Pentax dfa lenses on a Sony body with it. Having both the A7rii and the K-1 it is easier to use the Sony to focus manual lenses. In virtually every other aspect I prefer the K-1.
Forum: Pentax K-1 05-10-2020, 06:19 AM  
Infrared HELP (Pentax K1)
Posted By travelswsage
Replies: 10
Views: 527
Thanks much for the video -- very helpful and I have been strugging with the processing!
Forum: Pentax K-1 05-09-2020, 06:51 AM  
Infrared HELP (Pentax K1)
Posted By travelswsage
Replies: 10
Views: 527
Nice shots MJKoski and cpk! Charles -- really enjoyed your barn series -- some really fantastic shots there. Were you using a 590 for the yellow tree effect?
Forum: Pentax SLR Lens Discussion 05-09-2020, 06:41 AM  
DFA☆ 70-200 F2.8 w/ DA 1.4X
Posted By travelswsage
Replies: 10
Views: 612
Really nice shot! Is that cropped at all or is it the full frame?
Forum: Pentax K-1 05-08-2020, 06:20 AM  
Infrared HELP (Pentax K1)
Posted By travelswsage
Replies: 10
Views: 527
KolariVision and LifePixel will not convert the Pentax k-1 or k-1ii to 720nm. They will only do a full spectrum conversion. I think you may be able to send your camera to Isaac Szabo - Isaac Szabo --he might to the 720 conversion but I'm not sure. Good luck -- you might want to consider a full spectrum conversion and then use a 720 filter.
Forum: Photo Critique 05-04-2020, 06:44 PM  
Nature Louisiana swamp
Posted By travelswsage
Replies: 8
Views: 602
It's a very nice shot and well composed. The right corner is a little to large without detail. Is there any details in the shadows that could be brought up a ittle?
Forum: Photo Critique 04-27-2020, 05:07 PM  
Black & White Weaver’s Needle
Posted By travelswsage
Replies: 8
Views: 1,250
Nice shot and well developed. Did that hike a few years ago -- it's always fun hiking in the Superstitions, checking every canyon wall and crevice, hoping in vain to find the Lost Dutchman's mine … Looks like you found your own version of gold!
Forum: Pentax News and Rumors 04-19-2020, 05:20 AM  
Pentaxians yearbook 2019
Posted By travelswsage
Replies: 22
Views: 2,360
Very nice! Some great shots and very inspiring. The Facebook requirement for participation is a little disappointing but it is what it is. What does a project like this entail -- maybe it could be done here also?
Forum: Pentax Full Frame 04-10-2020, 05:22 AM  
Pentax K1 Mk2 and lenses
Posted By travelswsage
Replies: 23
Views: 903
The Irix 150mm definitely has some good reviews and is well-priced. If you absolutely need af look for a used sigma 180mm lens -- you wont be disappointed with it.
Forum: Photographic Industry and Professionals 03-24-2020, 05:50 AM  
New US Supreme Court decision re: copyright and application to State
Posted By travelswsage
Replies: 14
Views: 1,031
thanks for that explanation!
Forum: Digital Processing, Software, and Printing 03-01-2020, 01:42 PM  
B&W processing plug-ins etc.
Posted By travelswsage
Replies: 6
Views: 596
Nik silver efex is a great little program -- I had actually bought the suite years ago before it became free. I think the free version is still available on the internet -- I would highly recommend downloading and trying it -- other than compatibility with newer programs and a few new emulations the new silve efex isn't much different than the free one.

I started researching the suite of black and white programs offered at Frontpage | BWVISION - Art and Craftsmanship in B&W photography but work took over and I never got back to it. They have some really neat tutorials if you are interested in really getting into black and white -- definitely worth checking out at least.
Forum: Pentax News and Rumors 02-24-2020, 05:13 PM  
PENTAX K-1 Discontinued
Posted By travelswsage
Replies: 51
Views: 7,933
Hope so -- looking forward to see what improvements would be in a K-1 iii. The k-1 is a wonderful camera and one of my favorite small format cameras ever, just a hair behind my long ago retired Canon T-90.
Forum: General Photography 02-23-2020, 08:10 PM  
Need Help Buying A Camera For My Wife
Posted By travelswsage
Replies: 28
Views: 967
I'm not sure what your budget is but it sounds like the Sony Rx100 series would fit the bill. The newer ones are pricy but have a 24-200 zoom. The older ones, several of which are still on sale new, have a 24-70 zoom. I have the older RX100II and I love it -- it's perfect for casual and family type shots, has decent video and af, and is small and light enough to fit into your pocket. Image quality is excellent.
Forum: Pentax SLR Lens Discussion 02-19-2020, 05:03 PM  
Macro lenses best for panorama stitching?
Posted By travelswsage
Replies: 24
Views: 984
Wonderful images tokyoscape -- especially love the one at night from the Fa 50.
Forum: Photographic Technique 02-09-2020, 07:21 AM  
Mike Muizebelt Light Painting with K-1 and D-FA 15-30 f/2.8
Posted By travelswsage
Replies: 8
Views: 658
Really enjoyed his shots. Wonderful! Thanks for posting!
Forum: Film Processing, Scanning, and Darkroom 01-23-2020, 10:54 AM  
Dark Room Project suggestions needed please
Posted By travelswsage
Replies: 12
Views: 638
I still have my darkroom setup but it's really now just a storeroom. At the time I was using a little ozone machine -- the theory behind which I think was that it ionized the air so that particles of dust would fall out of the air. You'll have to research this a bit to see what is on the market now that would be cost effective. I'd have this running an hour or two before actual work and then wipe down all surfaces. How efficacious this ultimately was I can't really say. I rarely developed any film and dust is less of a problem for printing although you also want to minimize any dust adhering to prints as they dried. As photoptimist says above air flow is definitely important -- once you have your film hanging to dry you want to minimize air flow around the hanging film itself -- a friend of mine actually had a separate cabinet in his darkroom where he would hang his film with a set of racks on the bottom for prints so that airflow was less of a problem post-development.
Forum: Film Processing, Scanning, and Darkroom 01-23-2020, 07:03 AM  
Dark Room Project suggestions needed please
Posted By travelswsage
Replies: 12
Views: 638
I did a lot of work with Cibachrome/Ilfochrome back in the day and the chemicals were pretty noxious -- a fan to vent/help circulate outside air if at all possible. And water/plumbing of course. Also consider how you'll get rid of used chemicals -- if you have a septic system this could raise issues. I also had a small dedicated stereo system -- music really helped the hours roll by. Oh, and possibly a filtration/air purifier/ozone type system to help with dust. Have fun!
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