Unanswered Questions
13
votes
1answer
421 views
At which lux level do the Nikon 1 cameras switch from PDAF to contrast-detection?
The Nikon 1 cameras are famous for being able to track focus with their on sensor PDAF.
But the story goes that if light is low, it will switch to contrast-detect only and will not track focus as ...
6
votes
1answer
64 views
Hardware calibration for Eizo Monitor on Linux / Ubuntu without ColorNavigator?
I have a monitor that supports hardware calibration (Eizo CG223w). Eizo offers a tool called ColorNavigator to get the calibration done. Unfortunately ColorNavigator does not support Linux and I'm ...
5
votes
1answer
131 views
Where can I find information on the Pentax Q lenses serial protocol?
I'm searching for detailed information on the Pentax Q lenses (any, but I'm especially interested in the 5-15mm-lens) serial protocol, which controls focus/zoom/aperture.
So far I have found nothing ...
5
votes
0answers
103 views
What is the meaning of the distance parameter for line control points?
After fine-tuning control points in Hugin the distance parameter indicates the correlation of two control points in different images and is a value between 0 and 1. However, line control points (...
5
votes
2answers
321 views
What process was used to make this glass plate?
I have an old glass positive photo from about 1850. Does anyone know what process was used? Heliotipy? Puharotipy?
I'm think that the author of the image is Puhar
I have an appointment with the ...
5
votes
1answer
170 views
Where can I find viewfinder adaptions for the Fujifilm HS series?
For model series S/HS, in particular HS25, HS30, ...
That Fujifilm's viewfinder seems designed (misdesigned) only for persons with very wide set eyes (or with very non-prominent noses and nose ...
5
votes
0answers
532 views
Photoshop only prints in B&W on Pixma Pro 9000, MK2
One week ago I purchased the Canon Pixma Pro 9000, mk2. Using photoshop, every print I printed, up to today, was breathtakingly beautiful in all sizes. 8x10,11x14,13x19's looked like you could ...
4
votes
1answer
51 views
How can I stitch images with the same center but different peripheral content?
Looking for help in solving this problem. I want to stitch a series of images together. The easiest way to describe it is, let's say, I am walking down a long street with a repeating pattern of ...
4
votes
2answers
91 views
Why does my focus stack result in a blotchy background?
I've recently taken up photography with using a Canon 50D and thought I'd try some macro photography of flowers. Having researched the subject and read about focus stacking to increase the depth of ...
4
votes
0answers
140 views
How does the digikam quality sorter work?
I'm not quite sure this is the best place to ask, but there is a digikam tag, so I think it is not off-topic.
I'm trying to use the digikam quality sorter, but I fail to understand how it works. The ...
4
votes
5answers
597 views
How can I connect multiple Canon dSLRs in parallel to a computer?
I want to connect a couple of Canon cameras with my computer in such a way that a single click both captures images and stores them on the computer.
I am trying the same in c#. Actually, I have ...
4
votes
2answers
478 views
What photo sharing sites allow frequent re-uploading from Lightroom in the background?
I often find myself wanting to re-upload images shared online, for example after tweaking their develop settings or adding new keywords.
Some sharing services only allow new uploads or limited re-...
4
votes
0answers
210 views
Why does my Fujifilm FinePix S1800 have far greater shutter lag in EVF mode than in LCD mode?
The shutter lag on my Fujifilm FinePix S1800 is much longer in EVF mode (just under half a second) than in LCD mode (about 0.15 seconds). What would explain this anomaly?
3
votes
0answers
41 views
LR CC and Wacom Bamboo tablet - performance issues
Environment is Lightroom CC (latest version) on Win7Pro x64, 16GB, NVIDIA GTX750Ti.
I use a Bamboo Fun tablet (CTH-661/S), with the most current drivers, which works quite well in general, with one ...
3
votes
0answers
74 views
Why does DeepSkyStacker brighten the stars too much compared to Photoshop?
I've got a 100-ish image stack of the milky way. I always use Photoshop's stacking but sometimes it fails aligning the images or it requires too much swap space (~80GB range) on my primary drive which ...
