All Questions

Filter by
Sorted by
Tagged with
0 votes
0 answers
27 views

Why doesn’t the shutter speed change when using a speedlight? [duplicate]

I have a Canon EOS R6 camera and using Aperture priority mode at say f7.1. I frame a picture in low light and the exposure reading determines shutter to be 1/10,(iso is fixed at 3200). I then switch ...
user avatar
0 votes
2 answers
17 views

What's the best software for reading and writing image tags to and from image meta data fields?

I have millions of images that have had image tags assigned to them by various cv-api's my plan is to generate a data file, that will associate the image file names with the data captured so that I ...
user avatar
0 votes
0 answers
8 views

Nikon D3500 damage while recording video [migrated]

I read on a another photography site that the Nikon D3500 can overheat and suffer permanent damage while recording video. Does anyone know if there is any truth to this? It seems implausible that ...
user avatar
  • 1
0 votes
2 answers
31 views

Migrating away from Picasa - "Write faces to XMP" changes the hashes of images

I want to migrate from Picasa, but export the face tags. I tried the experimental feature of writing faces to XMP, and I noticed it changes the SHA256 hashes of my photos, which I want to avoid. The ...
user avatar
  • 1
0 votes
1 answer
58 views

Is this MTF chart real?

I stumbled upon an MTF chart, which looks wrong. It's for Kowa LM5NCL lens: https://www.kowa-lenses.com/en/lm5ncl-mp-industrial-lens-c-mount?number=10097. Here is the chart in question: It shows the ...
user avatar
2 votes
1 answer
62 views

What type of mount is this?

I bought this lens - on it it says: FUJINON-TV Z 1:1.9/10-140 FUJI PHOTO OPTICAL CO. I am trying to identify the mount and see if I could mount it on any camera system I have (Olympus Pen F, Sony NEX, ...
user avatar
  • 1,535
0 votes
0 answers
21 views

what is/are the difference(s) between a full spectrum camera, a UV-VIS-NIR camera, and a monochrome camera

I was asked to shoot UV, RGB, and NIR images using a camera. Images collected from this camera will be used for the target detection. For UV, the central wavelength is 350nm, for NIR, the central ...
user avatar
0 votes
0 answers
29 views

Where to get sets of images? [closed]

I need 100 sets of 3 images that fall into one category with reasonable pricing, and lifetime rights to those images so I can use them commercially. Preferably illustrations but photographs of things ...
user avatar
7 votes
2 answers
1k views

Halo in pictures taken with HDR

I have a Pentax K-S2 and whenever I use the A-HDR (advanced HDR) mode, the pictures come out with this strange halo around the edges of objects. Is this normal? .
user avatar
0 votes
2 answers
62 views

Does Shutterstock have a minimum resolution, or pixel density?

Similar to Noise reduction, upload to shutterstock declined I uploaded some photos to Shutterstock, which got through to review. They were all shot on an Olympus OMD E-10 Mark III, as JPEG's. All had ...
user avatar
0 votes
1 answer
39 views

I have the Canon 6D mark II and taking pictures using the view finder does not work in AF mode

When I have my camera in AF mode, I can't take pictures using the View Finder, I can take pictures using the screen through just fine. And this happened after I sent my camera to a workshop for fixing ...
user avatar
  • 1
0 votes
2 answers
89 views

Best Sport Telephoto Lens under 6” Length

Have Nikon 3400 and 3500 and take photos of D1 football player. Can only take in a 6” lens and want to know what would be best Lens to get max magnification.
user avatar
0 votes
1 answer
17 views

Neewer QC trigger not working with Youngnuo speedlite 560 III + cannon 6D

In full manual mode, The trigger works if the flash is mounted on top of the trigger, which itself is mounted on the hotshoe of the camera. However it doesnt work as a remote trigger (rx mode). no ...
user avatar
1 vote
1 answer
53 views

Why are these color look up tables (Hald CLUT) 1600 x 1600 pixels instead of 4096 x 4096 pixels?

I imagine that exhaustive color look up tables need to be 256 x 256 x 256 = 4096 x 4096 pixels. Is that correct? If so, how are these color look up tables (Hald CLUT) only 1600 x 1600 pixels?
user avatar
1 vote
0 answers
41 views

How to sell my photo shoots online? [closed]

What are suitable apps or websites to sell online different photos I take at Egypt by mobile or Ipad ? I have tried EyeEm but it doesn’t support sell market at Egypt.
user avatar
  • 11
1 vote
4 answers
127 views

My aperture won’t go any narrower than f/8.0

I am using a Nikon Coolpix p900 with optical zoom lens of 24–2000. I am going to shoot fireworks so I was trying to set up before hand. My settings are on manual, ISO 200 and 1/30, but my aperture ...
user avatar
  • 11
2 votes
0 answers
25 views

Professional critiques [closed]

I really want to improve my photography so I was thinking to buy a professional critiques for a famous photographer I just saw that 100asa.com has just launched a professional critiques service Have ...
user avatar
2 votes
2 answers
72 views

How can I sound-trigger a Nikon Z50 camera?

The Nikon Z 50 has no analog trigger, only the ML-L7, a bluetooth one. I'm not sure what is the delay between said trigger and the photo (it cannot be too fast, there's Bluetooth in between), but in ...
user avatar
  • 1,142
1 vote
1 answer
43 views

Categorizing images using Exiftool

I would like to categorize images in my photo collection with tags describing the image. for example, if the image contains a dog, a cat and a baby, and is taken in a kitchen, the list of tags should ...
user avatar
  • 113
0 votes
0 answers
20 views

Olympus M.Zuiko 100-400mm lens on a Panasonic GH4?

The lens in consideration is the Olympus M.Zuiko Digital ED 100-400mm f/5-6.3 IS Lens for a Panasonic GH4 which I already own. I have reviewed the x lens, y camera question/answer, but looks like ...
user avatar
0 votes
1 answer
85 views

Can I prosecute newspaper for photographing me without my consent? [closed]

I accompanied someone to court who was charged and we were snapped by a journalist upon leaving. The photo is obvious to any who know of me locally even though my face was obscured! Neighbours ...
user avatar
0 votes
0 answers
12 views

Will taking super long takes damage camera sensor [migrated]

I plan to take very long take with my a7s3 (4-7 hours). I am curious if taking very long takes damage the camera sensor.
user avatar
1 vote
2 answers
86 views

How to scan photos properly?

I am thinking about digitalization of my photos in case something bad happens to them. Photos are 15 cm long and 10 cm wide. I will do it with my HP DeskJet Ink Advantage 4535 scanner. I want to have ...
user avatar
1 vote
1 answer
16 views

'Recommended' presets not showing on Lightroom Classic (Desktop)

I have installed Lightroom on my Android phone and once I have uploaded a photo, it gives me the option of 'Recommended' presets which I believe uses AI to determine the best filters for that photo. ...
user avatar
  • 111
2 votes
1 answer
301 views

Why clinch your hands, and center them, in portraits?

What's this pose called? Let's not call it crossing your palms! Anyways, in portraits, the subject usually never shows hands. Then why clasp your hands, then center them in the center of the portrait? ...
user avatar
  • 1
0 votes
2 answers
55 views

Choosing a filter to use with daylight film under artificial light (80A vs 80B etc)

I am using a film SLR camera (Nikon N6006), and the film that I have right now is daylight film (Kodak UltraMax). If I understand correctly, using a blue filter will mitigate the color issues that ...
user avatar
  • 103
0 votes
1 answer
47 views

Colors Mismatch Between Photoshop RAW and Windows Preview

I'm having colors issue with RAW files (.CR2) from my Canon EOS. The colors for both files RAW (.CR2) and JPEG are identical in Windows 10 preview. I want to get the same colors in Photoshop RAW. Why ...
user avatar
-1 votes
3 answers
84 views

How can I cut a long image into smaller images so that each image file size is below some threshold (e.g., 2 MiB)?

I have an image with a 1920x16883px resolution: I'd like to cut it into images of 1920xYpx resolution, with Y being the largest integers possible so that each image file size is below some threshold (...
user avatar
0 votes
1 answer
58 views

How can I check the temperature of a GoPro?

I've noticed that my GoPro 10 tends to overheat. How can I check the temperature of the GoPro? I don't want to wait until it shut down with an overheat message.
user avatar
0 votes
2 answers
63 views

How to count the amount of pixels an object in a photograph takes up

I have been trying to find out the distance of an of object from an image using this calculator https://www.scantips.com/lights/subjectdistance.html But I need to know how many pixels long the object ...
user avatar
1 vote
0 answers
23 views

Luminance HDR - Canon CR2 - Black images

I've been using QTPFSGUI few years ago and I wanted to do some HDR images recently... on my mac... So I downloaded today the last version 2.6.0 available and tried to create my HDR from 3 CR2 images (...
user avatar
0 votes
1 answer
65 views

Turning 24 photos into a 360 panorama

I have gone around a house and very quickly taken pictures of every room in 24 different directions (~45° turn each click), and I've been very amateur about it. I've eyeballed the angles and had ...
user avatar
  • 101
-2 votes
1 answer
57 views

Step-by-step description of the preparations, gear, apps, settings, ... needed to take image of a plane before the moon

I recently saw the following photograph on Facebook by ePixel Aerospace: with the following caption: Mission accomplished! Just about a year ago, I was commissioned to capture a special Qantas/Lunar ...
user avatar
  • 693
0 votes
0 answers
30 views

Canon 5D Mark IV is taking pictures on it's own

The preview on my Canon 5D Mark IV sometimes won't show. When I click on the preview button, the camera takes pictures instead?? Electrical breakdown??
user avatar
2 votes
4 answers
94 views

What are must-haves for a beginner in wildlife photography?

I've enjoyed taking pictures of wildlife on my phone for a while, especially birds, and would like to get a camera to get better quality images. I would possibly like to try some astrophotography too. ...
user avatar
  • 21
0 votes
2 answers
72 views

Is film photography characterized as having high exposure because they have low saturation?

Compared to digital captures, is film photography in fine art typically characterized as being bright or having high exposure by nature? By exposure, I don't mean chemical processes applied to film ...
user avatar
-1 votes
0 answers
47 views

How to convert 2D image to stereoscopic 3D Image? (RGB+D)

Are there any ways to convert a standard 2D image to a stereo 3D image? SBS pair, RGB+D, etc? For the inverse, see Process stereoscopic image to convert from 3D to 2D
user avatar
  • 209
0 votes
0 answers
19 views

Future-proof alternative to tungsten lightbulb for Standard Illuminant A?

TLDR; as tungsten and halogen lightbulbs become harder to find, are there readily available alternatives to them, from big-name manufacturers, for use as a Standard Illuminant A (StdA)? My ...
user avatar
0 votes
0 answers
39 views

How to reset the film to 1 (it is now on 26) even though I’m on my first few films

I’m new to film camera, and currently using a Fujifilm clearshot point & shoot 35mm. When the moment I got my camera, the reading on number of film used is on 20, how can I adjust it to 1?
user avatar
  • 1
3 votes
4 answers
201 views

Is this a reasonable answer to a complaint that my enlargements were not super sharp?

I felt that my 8x10 enlargements were not as sharp as I would have hoped. My original images are super sharp and I asked the printer whether it was because of the finish that I had picked or something ...
user avatar
  • 531
12 votes
2 answers
4k views

How did this note "19/65 21/90 22/130" help previous owner of this old Zenit 12XP film camera?

Camera info The camera in question is an old Zenit 12XP. It belonged to my passed-away father-in-law. It has shutter speed regulations: B, 30-X, 60, 125, 250, 500 "ГОСТ/ASA" (ISO): 16 * 32 * ...
user avatar
  • 143
0 votes
0 answers
21 views

Which module effects in Darktable don't permit masks?

In Darktable you can construct a mask by drawing shapes directly onto the image canvas so that effects like exposure and color LUTs are only applied to those masked areas you drew instead of the ...
user avatar
1 vote
1 answer
61 views

Darktable: How to edit the same image as multiple different edit versions?

In Darktable, you can only import the same image once as image.jpg for example. What if we would like to work on and make multiple edited versions of image.jpg instead, and produce multiple different ...
user avatar
-1 votes
1 answer
80 views

How to convert a photograph to look like a thermal infrared spectrum image?

Without using a thermal imaging camera, how can a photograph's white balance (tint, etc) or other settings be adjusted in order to achieve the look of the Predator vision from the movies. In layman's ...
user avatar
2 votes
1 answer
48 views

How can I find photos in a folder that could be stitched together in a panorama?

I've got lots of photos (sorted in directories with maybe 50-200 shots in each), and many times I've taken a series of photos I wanted to stitch together into a panorama and then I forgot about them ...
user avatar
0 votes
1 answer
61 views

Camera not working while shooting long distance

I have a nikon 3200 and lately I have observed that it does not allow me to take any photos if the lens is not zoomed. It doesnt even focus or take any picture even when I click the button. I checked ...
user avatar
  • 1
0 votes
0 answers
36 views

Hugin how to force stitch panorama photo

I'm trying to use Hugin to stitch a series of photos taken indoors, sequentially from left to right. However whenever it comes to walls / doorways, even with overlapping features between photos, Hugin ...
user avatar
2 votes
1 answer
72 views

Camera hesitating or "jamming" after shooting in live view mode

Just bought a Nikon camera and started wondering why after taking a photo the camera would suddenly almost freeze or hesitate. This doesn't occur when using the viewfinder shoots like a normal camera. ...
user avatar
3 votes
5 answers
336 views

How could I show how wide a piece of furniture is?

There's this strikingly wide bed that I want to take a photo of, but I can't quite find an angle that shows this. I tried placing an object (cat) for reference/comparison, but that doesn't show it ...
user avatar
3 votes
2 answers
166 views

How to get rid of number on 35mm film photos?

I recently purchased an Olympus Trip AF 35mm point & shoot. I have tried multiple different types of film and have brought the rolls to my local camera store to get developed. Every time, the ...
user avatar

15 30 50 per page
1
2 3 4 5
520