Stack Exchange Network

Stack Exchange network consists of 174 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Unanswered Questions

384 questions with no upvoted or accepted answers
8
votes
2answers
328 views

Identify old Fuji film from 1987

I have a set of old color film negatives that I want to feed to a PlusTek OpticFilm 7600i film scanner. The scanning software is VueScan (it used to be SilverFast). The main problem I have, is that I ...
6
votes
1answer
980 views

Snapbridge and D500 were working with Bluetooth image transfers to my iPhone. Now not working

I have the Nikon D500, with the latest firmware and have not changed anything on the camera. Snapbridge was working for image transfers between the camera and an iPhone running iOS 11. I would select ...
6
votes
1answer
189 views

How can I consolidate keyword hierarchies in Lightroom?

is it possible to consolidate two trees with different number of levels in their hierarchy? That is, I want to add several new superlevels, but due to the current keyword structure it's easier to add ...
6
votes
1answer
537 views

Why does DeepSkyStacker output a “glitch” image with just vertical lines

Yesterday I've got my new tracker (iOptron SkyTracker), and took about 30 shots of the Orion Nebula (with my Canon EOS 6D and 70-200mm f/2.8 lens at 200mm, f/4, 6s exposure of each frame) and got home....
6
votes
1answer
85 views

Bare Bulb diffuser for travel?

I found the thread for diffuser for speedlights here but wanted to check out options available for bare-bulb flashes, specifically the Godox AD360ii. I'll be traveling to Vietnam for 3 weeks in ...
5
votes
0answers
87 views

Comparison of camera sensitivity

There are different ways to quote the sensitivity of cameras. Usually it's quoted in ISO or ASA. ASA and/or ISO is usually reasonably well-defined in the absence of any deviating statement as ISO ...
5
votes
0answers
76 views

Photoshop CC converting image layers to video clip

I have an image sequence in Photoshop CC 2018 and have turned them into a timelapse. I want to change the speed / length of the video but I am unable to. If I change the framerate it increases/...
5
votes
1answer
116 views

What is a practical application of the SQRI image quality metric?

In some research, I have found that the perceived quality of an image is linearly related with the square root of the normalized modulation. Perceived contrast of sinusoidal luminance patterns is ...
5
votes
1answer
254 views

What whitepoint should I use for calibrated monitors for print and web?

I edit my photos in a room that is painted a neutral grey. I have a blackout blind over the window and a single light-source which is a D65 bulb set in an uplighter that bounces the light off the wall ...
5
votes
0answers
2k 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-...
4
votes
1answer
53 views

Nikon D5100: How to keep Continuous shooting on between shots

There is an old-ish post about the continuous release mode, but it's not exactly what I am trying to achieve, and was wondering if something has been discovered since then. On my D5100, when I set ...
4
votes
1answer
115 views

Why is my single test image much brighter than our Stackshot image output?

I'm working on taking stacked photos of small insect specimens for a university. I am using a Canon EOS 6D body camera. We are using a StackShot macro rail to image these specimens. An issue that has ...
4
votes
0answers
140 views

Darktable embedded ICC profile in DNG

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 ...
4
votes
0answers
98 views

Light modifier compatibility with different brand speed ring?

I have two Flashpoint moonlights from Adorama and matching speed rings for these strobes. I want to rent a Paul Buff soft box and a Bowens strip box. Physically, are these light modifiers compatible ...
4
votes
0answers
122 views

How do I stack different brand flash controllers on my Canon 5D Mark III and still have full TTL and power control?

I am trying to control two off-camera flashes with my Canon 5D Mark III. The first flash is a Profoto B1. The other flash is a YN600EX-RT speedlight mounted on a Yongnuo YN622C II transceiver unit. ...

15 30 50 per page