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Questions tagged [digital]

Digital photography clearly is the bulk of picture-taking today; this tag doesn't need to be on everything that is digital, but can be used when the question is specifically about the technology involved.

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Old digital backs on medium-format film cameras

What are the benefits of using old digital back (by old I mean devices that has 6x4.5 sensor size and 20-50 mpix resolution) on a medium format camera like Mamiya RZ67, instead of using modern full-...
Alexey Malev's user avatar
0 votes
1 answer
65 views

Cameras with more than 3 color channelsa (ideally 12) and digital formatting

Apologies in advance for the superficial knowledge. I'm doing some sleuthing to help a friend who's about to do a research project and I showed him research on UV photography to find invsibile ...
Mike's user avatar
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1 vote
0 answers
32 views

Transitioning from Mobile to Digital Camera Photography [duplicate]

I've been passionately involved in mobile photography for the past two years and am now looking to expand my horizons into digital camera photography. As an international student in the UK, I'm ...
NeuralNetNomad's user avatar
0 votes
1 answer
65 views

Why don't my Fujifilm X-A20 autofocus after putting back on original lens?

I have a Fujifilm X-A20, but I removed its original lens around 4 years ago and have been using a meike lens I bought at the same time. Today I decided to put back the original lens to use it but I ...
hellohelpmetq's user avatar
1 vote
1 answer
248 views

Can I use a CFast 1 card reader to read a CFast 2.0 memory card?

CFast 1 uses the SATA II interface while CFast 2.0 uses the new(er) SATA III interface. SATA III is backwards compatible with SATA II but does that mean I can use a CFast 1 card reader to read a CFast ...
U.B's user avatar
  • 11
1 vote
2 answers
70 views

How to check for excessive light from faculae on the dwarf planet Ceres?

The Dawn space probe took a lot of photos of the dwarf planet Ceres in the asteroid belt, and discovered the strange looking faculae (white spots) in the Occator crater that seem to glow in the photos,...
Sven _Andersson's user avatar
1 vote
1 answer
142 views

All my photos taken on canon powershot sd300 are overexposed

I got this camera recently and it’s been working fine in dark setting with flash but whenever i turn off flash or go anywhere with any sort of natural light the pictures come out almost white. I’ve ...
RWann's user avatar
  • 11
4 votes
2 answers
172 views

Is it possible to get double or multiple exposures on a used SD card?

I’m getting “ghost deer” on my trail cam. They only show up on the night pictures (black and white) and hit the paint palette which turns them into color. Is it possible that a previous image of deer ...
Lee Hicks's user avatar
0 votes
2 answers
227 views

why is there black spots flashing on my pictures on lumix dmc tz80?

i bought a second hand lumix DMC TZ80, and there’s like black flashing things popping up on my pictures i took on it, like the picture i put here, the black things appear in the spots where it’s very ...
Evelyn's user avatar
  • 1
0 votes
1 answer
205 views

Is it possible to determine elevation angles from a photograph?

I need to know the elevation angles of various 'features' in a image. I do not know the height or distance to these various features. I do know that one feature has an fixed elevation of x degrees in ...
Walter L. Preuninger II's user avatar
0 votes
2 answers
258 views

What is the white point of image sensors?

How can one deterine the calibrated white point of the image sensor of a digital color camera? That one certainly exists is evident from the following considerations— that the temperature control in ...
Anton Shepelev's user avatar
1 vote
0 answers
100 views

What are these small features on the corners of a camera sensor?

These are the images, my microscope suffers from some pretty large chromatic aberration, so dont trust all of the colors completely. The sensor in question is an IMX585 sensor, from a player one ...
Topcode's user avatar
  • 203
2 votes
1 answer
151 views

What is it about grain that it gives such a realistic feel to an image?

When I look at a very clean and sharp photo, it resembles what my vision looks like as in it’s also very clean and sharp but at the same time it doesn’t seem to feel realistic. A grainy and not very ...
LucaMancini's user avatar
0 votes
2 answers
93 views

Lateral blur in digital images

I would like to know if is there any term or concept to refer to the effect of lateral blur of the objects which reflected rays enter the optic surface tangencially. Is there any specific term for the ...
solysombra98's user avatar
2 votes
2 answers
199 views

Do all digital camera manufacturers (from smartphones to DSLR to Mirrorless) denoise and sharpen RAW images?

I have read recently about how even RAW images can have DNR and sharpening applied and I'm wondering, is this something some particular camera manufacturers are known to do or it's a universal thing ??...
LucaMancini's user avatar
1 vote
4 answers
192 views

How to achieve this effect (small/medium object photography)? [closed]

I need to take photos of a bunch of bullets for a project, and I want to attempt to reproduce how this photo looks. I've taken photography classes in college so I'm not a total rube, but that was a ...
Tallboy's user avatar
  • 113
0 votes
2 answers
113 views

Do Electronic Viewfinders Record Data?

I saw this post: How does an electronic viewfinder work? But I am more interested if the electronic viewfinder on a digital camera or smartphone saves image data before it is captured and written to ...
AndroidUser558's user avatar
1 vote
1 answer
298 views

How to read a dynamic range chart?

Background In short, I know what dynamic range is, how to expose properly, etc: don't clip highlights or crush shadows, higher ISO generally = more noise (though not always), etc. I recently bought a ...
Action Jackson's user avatar
0 votes
0 answers
97 views

Old film developed and very bitty... can this be fixed?

I found a film from my wedding 12 yrs ago after having a clear out, I got it developed as was desperate to see what was on it as I only lost my husband a month ago... Some photos aren't too bad, ones ...
smirnofffff's user avatar
1 vote
2 answers
436 views

As a photographer, how do you make money? [duplicate]

I am a software engineer and would like to get into digital photography. As such, I wanted to know how fellow photographers make money to support themselves?
Bhuwan Bhatt's user avatar
1 vote
2 answers
110 views

Why do my photos look less punchy in Laptop than camera when both are set to sRGB color space? Why is there a change in photos at all?

I use canon m50 set to RAW to click pictures, they look good on the LCD of the camera but when imported to laptop (Predator Helios 300), it looks bland and less punchy. Even though the reality was ...
Mohd. Farhan Hassan's user avatar
1 vote
0 answers
82 views

What causes my Nikon D40 to shoot darker photos when shot sideways?

I have a Nikon D40 that functions impeccably, the only issue that I found was that it shoots darker pictures when shot sideways. Doesn’t matter what mode, ISO, focal length, etc. They all come out ...
DeZom's user avatar
  • 11
0 votes
1 answer
96 views

How to transfer from Fujifilm FinePix?

I have a Fujifilm FinePix AX550 How do I transfer the pictures to my computer ? The computer is a Linux laptop desktop running Debian. When I connect the camera to the computer, the camera ...
Vivek Sharma's user avatar
2 votes
2 answers
93 views

What is the relationship between hot shoe output synchronization speed and shutter speed?

The problem is: We have a mapping camera which a hot shoe output synchronization speed of 1/250 and during data acquisition its shutter speed is 1/1000, which is very fast compared to the ...
Swarup Maity's user avatar
1 vote
3 answers
128 views

Digitally retouching over exposed areas of a photograph that are almost entirely white?

I have a series of close up photographs (distances of 6-8") that were taken as RAW (DNG) files using a mobile phone, they were taken by someone with minimal experience and have areas that are ...
Aaargh Zombies's user avatar
0 votes
2 answers
292 views

Weird colour artifacts with Sony a7 III. What's the cause and how can I fix it?

I took some photos with my a7 iii and a Tamron 28-75 lens yesterday and one of the subjects was wearing a shirt made with pink and white fibers. I'm seeing some weird artifacts in the colors that I've ...
0C3D's user avatar
  • 103
3 votes
3 answers
160 views

Is Evaluative metering exposing the scene to 18% gray?

An article I saw mentioned that evaluation metering calculates the average to decide how much light received would be considered as properly exposed. Only considering digital cameras, what is this ...
Amarth Gûl's user avatar
0 votes
2 answers
106 views

Weeding out duplicate Photos in a submission based photo contest [duplicate]

Scenario: Burger business holds an online photo contest that gives $1 off on a hamburger meal, to anyone submitting a photo of themselves, wearing printed t-shirt with a burger on it. Is there a way ...
B Barns's user avatar
0 votes
0 answers
73 views

How can I create a #21 orange filter in PS 2022?

I would like to set up a standard #21 orange filter in PS 2022's black & white widget. It's inscrutably not included in the list, though it's a popular and useful B&W filter. I've found the ...
mojado's user avatar
  • 109
-2 votes
2 answers
2k views

Does this metadata prove this photo has been edited?

I was displaying a parking pass face up in my windscreen whilst visiting my friend. When I arrived back there was no ticket on my car which meant I could not take my own photos as proof. A few weeks ...
Deesma's user avatar
  • 9
1 vote
0 answers
47 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.
Dr. phy's user avatar
  • 111
0 votes
5 answers
428 views

What happen to the digital image if I capture it without using any color filter arrays?

I understand Bayer filter is a type of color filter array used in digital cameras to create a color image. What happen to the digital image if I capture it without using any color filter arrays?
Josh Alex's user avatar
2 votes
2 answers
1k views

How bright should a 18% gray card be in my image when exposed correctly?

Let's say I have a 18% gray card in my scene and I want to set the exposure manually. When I take a picture of the gray card what should the RGB values be when exposed correctly? What is important is ...
tempdev nova's user avatar
0 votes
2 answers
183 views

How do I post a photo to instagram from the computer?

I took a photo with my Nikon, edited in Gimp but I can't upload the .jpg to instagram from the computer. I get an error "Something went wrong. Please try again.". I read square photos should ...
John Doe's user avatar
4 votes
2 answers
2k views

Hasselblad cameras used in Space Shuttle, analog or digital?

Hasselblad cameras were used not only for the Apollo mission but also for the Shuttle. I found two images of Marsha Ivins taken 1992 and 1994 using multiple Hasselblad cameras. STS-46 Mission ...
Uwe's user avatar
  • 143
2 votes
4 answers
356 views

Is jpeg or png the standard for fine art photography?

Is jpeg the predominant file format for fine art digital photographs, or what advantages would png have quality-wise that jpeg doesn't for photography, given that it takes up much more hard drive ...
user610620's user avatar
3 votes
1 answer
3k views

In digikam, when finding duplicates, how to decide which is the "reference image"? I.e. how to decide which duplicates to eliminate?

I am using digiKam, and I have loaded all my photos. I have several duplicates, sitting in different disks/folders. I discovered the "find duplicates" function, and the "remove ...
Fabio's user avatar
  • 147
0 votes
1 answer
536 views

In digiKam, how can I compute the total number of photos in my database?

I am new in using digiKam, and I just started to import and organize my big collection of photos. Is there a way to know the total number of pictures in my database? I have digiKam version 7.4.0, in ...
Fabio's user avatar
  • 147
1 vote
2 answers
579 views

Is there a way to verify that photos taken with a digital camera doesn't have any identifying invisible watermark?

Is there a way to verify that photos taken with a digital camera doesn't have any identifying invisible watermark? Digital cameras these days are capable of recording millions of colors, out of this ...
bypass restrictions's user avatar
3 votes
3 answers
222 views

Wrong label on battery info section

I have canon 200D II camera and battery is LP-E17. When I plugged battery in the camera and checked the battery info section of settings, it shows DR-E18 instead of LP-E17. And no section of "...
discover's user avatar
  • 150
1 vote
4 answers
407 views

Are there any budget alternative for digital cameras that don't have an LCD/Display?

I've been testing out digital minimalism and part of me started to think about having a camera without constantly looking at the display. I have known about a bunch of the Leica digital cameras ...
nestalgia's user avatar
0 votes
0 answers
97 views

What is the highest spatial frequency that can occur in an image? And the smallest one?

I searched the information and couldn't find the answer. I don't understand about this and I don't know how to respond.
Ashley Stone's user avatar
1 vote
2 answers
205 views

How can I take a photo like this of a necklace?

I want to take a photo just like this photo. The necklace doesn't look like it has put on a flat surface. How can I achieve this? Thank you.
Jake 's user avatar
  • 11
0 votes
2 answers
246 views

Concealing brush strokes when using a light box to photograph minatures?

I'm using a medium sized light box with LED bars and a gauze diffuser to photograph hand crafted models against a white background. I have a fixed light from above and a movable light from the front. ...
Aaargh Zombies's user avatar
1 vote
2 answers
885 views

Remove Vignetting from thousands of images

I am doing historical research for which the only document source is microfilm typically created in the 1950s by technicians who did not understand the characteristics of this then new technology. ...
James Cobban's user avatar
0 votes
1 answer
337 views

Why is JPEG the only compressed image choice in most digital cameras? [duplicate]

I've been viewing, editing, and storing digital images since before digital cameras were common -- I've used GIF, JPEG, TIFF, PNG, and a few other now-obsolete formats. GIF has been mainly relegated ...
Zeiss Ikon's user avatar
  • 7,140
0 votes
0 answers
47 views

Why does an iPhone need software for Portrait Mode? [duplicate]

I have an iPhone X, with a camera specs of: Wide-angle: ƒ/1.8 aperture Telephoto: ƒ/2.4 aperture Why does the phone need software to produce Portrait Mode image (image with background blur / bokeh)? ...
runandrew's user avatar
3 votes
2 answers
338 views

How to create a more natural look using Strobe lights for watch photography?

I am fairly new to product photography and recently ditched my lightbox for strobe lights to create a more natural and true to the eye look on my watches. The lightbox lighting gave more a dark ...
Mike's user avatar
  • 91
0 votes
1 answer
471 views

Does advertising your photography services mean all photos on your portfolio are classed as commercial?

TL;DR - Would photographs that I've captured and displayed on my personal photography website be considered commercial if I'm not selling them? I would purely be selling my general photography ...
AccDa's user avatar
  • 1
1 vote
1 answer
392 views

Family Photos System Strategies

I'm sure folks here have a good approach to photo storage/processing and backup. I'm a dad with 4 kids and lots of family photos. I had my first digital camera in 1996 and have pictures stretching ...
bonhoffer's user avatar
  • 111

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