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Unanswered Questions

664 questions with no upvoted or accepted answers
6 votes
0 answers
3k views

Issue with Yongnuo 568EX flash on i-TTL mode

I've just received 2 pieces of Yongnuo YN568EX for my Nikon D610. When I’m on I-TTL mode the flash fires but the image is black (I tried it on each mode: auto, manual, A…), the sound tick-tick twice-...
6 votes
1 answer
2k views

How can I use the 200 seconds exposure time in Raspberry Pi HQ camera?

I would like to use the Raspberry pi HQ camera for astrophotography. I have read in the answers and comments on this question that I should be able to use a maximum exposure time of 200 seconds. This ...
5 votes
0 answers
1k views

Differences between DCP and ICC profiles?

I am trying to understand what is the best colour profile that I can generate from a ColorChecker for calibrating my camera. I always used ICC colour profile standard but now I saw also DCP colour ...
5 votes
3 answers
486 views

How to "save a session" in digikam?

I'm fairly new to digikam. (Previously I was using Shotwell to sift through thousands of photos from various sources to separate the wheat from the chaff, but now feel digikam might be better suited ...
5 votes
1 answer
335 views

Auto mass transform in Lightroom

I have been using Lightroom to mass develop my photos recently and all the tools work as expected when using automatic functions (e.g. auto WB, auto tone), that is setting an auto value will set it on ...
5 votes
0 answers
1k views

How to embed ICC profile in DNG so darktable will use it?

I am experimenting with linear raw DNG and ICC profiles with Darktable. The DNG files are the result of scans using VueScan. I can add the scanner's ICC profile to the DNG. But when I open it in ...
5 votes
2 answers
677 views

Adjust manual focus for sharper images with Sony RX0,for aerial photography

I am taking photos around 80m altitudes (with Sony RX0) with a moving drone,Shutter Speed is set to 1/1000 to prevent blurs,I want to take sharp images with manual focus,how should I adjust settings ?
5 votes
0 answers
507 views

How to disable automatic cropping that's done after distortion correction in DxO Optics Pro 9 or 10?

DxO uses so-called "modules" that apparently contain many lens parameters and they are implicitly used for correcting geometric distortion, and some other issues in pictures automatically. ...
4 votes
3 answers
235 views

How best (or where) to display high megapixel images on the web?

I have done a number of panoramic images, combining 3-20 images to make final photos of sometimes 400mp. I want to be able to display these online and be able to show the overall image and the detail ...
4 votes
3 answers
4k views

How do I choose between a GoPro or an Osmo Pocket as my travel action camera?

I'm thinking of getting a chest-mounted action camera to free up my mind, eyes, and hands while I'm traveling so I can just experience the joy of being somewhere more deeply without diverting my ...
4 votes
0 answers
84 views

Is the Canon radio wireless flash system the same in every country?

Is the Canon radio wireless flash system the same in every country? I'm looking to use several Canon "RT" flashes, some bought in the UK and others bought in the US. Will this work, or ...
4 votes
3 answers
478 views

Gamma Correction and Shadow Detail bit allocation

I'm having slight difficulties understanding how a gamma correction increases details in the shadows(where our eyes are more sensitive). Once the bits have been been reallocated to the shadows after ...
4 votes
2 answers
245 views

How to make a two stage Lightroom Catalog?

I'm a person who takes too many photos. Thus, the volume of photos is so high that I have no chance of storing them all in one place (8 TBs and counting). Thus, what I want is to save the initial ...
4 votes
2 answers
709 views

Does the Interval Timer on the Z6 (or Z7) automatically disable after each sequence/series of shots?

I have the Canon RP and am disappointed to find that the Interval Timer disables itself after each sequence and must be re-enabled for every new sequence. So, every press of the shutter requires ...
4 votes
0 answers
75 views

PanoTools Scripting

I have a series of microscope images that I'm trying to stitch together. In all cases the images are made by horizontally shifting the stage. Autostitch does an absolutely wonderful job. ...

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