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11answers
2k views

Photo Competition 2021-04-26: All Blur

Theme: All Blur In the spirit of Why would one shoot a fully blurred picture?, let's see some abstract and semi-abstract works. This theme was suggested by mattdm. Voting Rules Vote up as many images ...
0
votes
0answers
8 views

Canon 800D photo taking issues

I’ve just gotten a canon 800D and Having issues using it. Sometimes when I try and take a photo it won’t let me, why? What’s the best mode to be taking photos in?
0
votes
0answers
57 views

What's the reason between different binocular shapes for the same magnification and objective diameter [closed]

I have noticed that binoculars with the same magnification and objective size, ie. 7x50, have different optical layouts. There seem to be a chunky design used in older binoculars (presumably with ...
1
vote
0answers
62 views

Is there a way to get rid of this glowing effect?

I'm trying to figure out how to get rid of the glow around the tree in the bottom right. I've gotten as far as thinking it's some form of luminosity due to reflections at ground level (this is in my ...
4
votes
2answers
117 views

Is there a standard convention for indicating precision in jpeg metadata timestamps?

Exif timestamps have a format of "YYYY:MM:DD HH:MM:SS", possibly with a timezone at the end. Is there a general convention for how to handle these timestamps when the known precision is less ...
1
vote
2answers
313 views

Why the image plane is at Z = f in pinhole camera model?

Can someone show me the mathematical interpretation of why the image plane is at Z = f in the pinhole camera model? I found a possibly useful formula in wiki, as shown in the figure below: My ...
12
votes
7answers
3k views

Should I carry extra batteries in the field or bring a solar charging unit for a 30 day trek in Nepal?

I'm planning a 30 day trek in Nepal. Should I carry extra batteries in the field or bring a solar charging unit? Details about the trek: Upper and Lower Dolpo. Above 8000ft (2400 m) most of the time, ...
2
votes
2answers
3k views

How can I see the exposure meter on my Nikon D3200 when shooting in manual-focus mode?

I have a Nikon D3200. I am experimenting with manual focusing on my kit lens. One thing I noticed was that when I am in manual focusing mode I don't see the exposure meter in the viewfinder. This ...
1
vote
1answer
176 views

Photo noise level in RAW format [duplicate]

Why is the noise level of raw photos higher than jpeg photos? I have encountered this issue several times.
0
votes
2answers
112 views

How can I calculate a camera sensors width and height?

I try to compute the focal length for different field of views of a camera. Therefore I need the sensor size horizontally and vertically, but in the datasheet I only have the information: 1/3" 2....
4
votes
2answers
134 views

How do I go about fixing this strange dark line blocking my Minolta XG-1's viewfinder?

I recently bought my friend's Minolta XG-1 which looks super well maintained cosmetically. He did mention to me that it was sitting in his hot attic for about a year. I noticed that there is a weird ...
3
votes
2answers
114 views

Shooting insects in shallow ponds

We are trying to develop a tool that would enable a large group of colleagues to take standardised images of insect communities in shallow ponds (depth 3 - 6 inches = 7 - 15cm).... preferably using ...
4
votes
3answers
903 views

Can a Yongnuo 565EX (no HSS) be used as a second flash (slave) with another flash that has HSS?

I do know my question confuses and I do apologize for that. As a beginner, I still struggle to articulate things in a nice way. So I think it's better to explain the scenario first. I was using a ...
9
votes
8answers
4k views

What exactly is causing the quality difference between these two photographs?

Here is a photo of 2 individuals: my friend and a male model (right). Both of them are clicked in daylight. I get it that the background on the left picture is very bad but that cannot be the only ...
1
vote
3answers
731 views

'File contains no image data' but I can see the image briefly on the camera viewer. Is there a way to recover the images?

So I have roughly 85 pictures that are giving me the 'File contains no image data' error. The strange thing is that I can see the image briefly on the camera before the error pops up. When I try to ...
1
vote
2answers
292 views

Sigma zoom 70-210mm 1:4.0-5.6 UC-II

I am new to photography. I bought very recently a starter level Canon Rebel SL3 (200D) that came with a kit lens (Canon zoom lens EF-S 18-55mm 1:4-5.6 IS STM). A friend gave me a Sigma zoom 70-210mm 1:...
2
votes
3answers
80 views

Suggestions for an easy way to add gps data to jpegs

I am looking for an easy way to add locate and add GPS data to JPG files on a Mac running OS Catalina. I would like the photo data to be able to be recognized in iPhone picture maps and location ...
1
vote
1answer
254 views

Inconsistent exposures using my Neewer Vision 5 strobe with Nikon d7100

I was doing a photoshoot of children and was getting great shots using my nikon d7100 with a Neewer vision 5 ttl strobe flash. Then all the sudden I could not get proper exposure! Every once in a ...
0
votes
0answers
69 views

Good Low Noise Long Exposure Astrophotography camera?

Recommendations: I was reading that Canons were the best at low noise long exposure photographs. Then I found this site, https://www.brendandaveyphotography.com/more/long-exposure-sensor-testing/ It ...
7
votes
2answers
294 views

How to choose a color calibration device?

I'm tired of my monitors and phones all looking different. I tried following instructions at Lagom LCD monitor test pages, but they still look different. So, I think I need to buy something to help ...
2
votes
2answers
56 views

Metadata: UserComment, ImageDescription, Description; what's their purpose?

$ exiftool test.jpeg | grep 'This is' Image Description : This is the 'ImageDescription'. User Comment : This is the 'UserComment'. Description : ...
2
votes
2answers
216 views

Creating a more natural look for watch photography using a Light Box!

Hello I am fairly new to photography in general and my current set up for taking pictures of my watches is a light box I bought off amazon. I crank the wattage all the way and after I take my photos ...
2
votes
2answers
157 views

Why shouldn't raw files be rotated?

When I attempt to rotate a CR2 file in Photo Viewer, a message appears: That didn't work, RAW files don't rotate. Select edit to rotate and save it as a different file type. There are many tips to ...
20
votes
35answers
4k views

Photo Competition 2021-04-12: Up There

Theme: Up There Subjects in the photo should be unsupported by the ground. Examples include airplanes, balloons, bubbles, water splashes, astrophotography, clouds, birds/insects/animals in flight, etc....
0
votes
0answers
106 views

Limit focus range of Panasonic Lumix DMC-FZ330

My Panasonic Lumix DMC-FZ330 has a button on side of the lens that only focuses on close objects for macro photography, or focuses on more distant objects for non-macro photography. Is it possible to ...
7
votes
2answers
15k views

What information is contained in “filename.jpg.out.pp3” file?

When I edit my RAW file in RawTherapee and save it as JPG, the application creates another companion file along with the JPG — a file with the extension .jpg.out.pp3. What is the purpose of this file?...
24
votes
9answers
8k views

A camera that takes real photos without manipulation like old analog cameras

In modern digital cameras there are many settings which are applied automatically to the photos. And it does not always result in good ways. Recently I saw two photos of the same face one from a old ...
0
votes
1answer
34 views

The flip-card in my Godox 685 fell out; what to do?

I was shooting some runway stuff last week and the built-in bounce flip-card came out completely. I tried re-inserting it during the show but it only crimped at the edges. Do I need to take the flash ...
91
votes
4answers
15k views

What does an unprocessed RAW file look like?

I know people use fancy software like Lightroom or Darktable to post-process their RAW files. But what if I don't? What does the file look like, just, y'know, RAW?
9
votes
1answer
6k views

How to change which modules are auto-applied in Darktable?

When I open a raw file in Darktable sharpening and a base curve are automatically applied. How do I alter this? I would like to add lens correction.
0
votes
2answers
108 views

How are these photos got same color flavor and look so similar?

I'm trying to understand, how all these photos got the same color flavor. The main problem I see - they are all shot under very different lighting conditions - like inside of a flat and on a sunny ...
1
vote
0answers
31 views

color correcting scans

I got an Epson ff-680w but can't find any way to color correct the scans using a calibrated profile. My understanding is that this is the main thing to look out for when trying to scan in archive ...
-1
votes
0answers
28 views

What do you consider the boundary to be between acceptable editing and deceptive or misleading practices? [duplicate]

What do you consider the boundary to be between acceptable editing and deceptive or misleading practices?
4
votes
3answers
2k views

Canon wireless control with running intervalometer

Does anyone know if there is an iOS app (or mac os app) with what I can achieve the following: Be able to wirelessly connect to my 77D camera (either wifi or bluetooth is fine) Start the ...
1
vote
1answer
234 views

In Affinity photo there are 3 eyedropper tools in curve section like photoshop?

I started using affinity photo, but I can't find 3 eyedropper tools like photoshop (shadow, middle, highlight). They are in the curve section. If somebody knows there is like this function in ...
1
vote
1answer
105 views

What Conversion Engine works best in Photoshop? ACE or ICM

Adobe ACE v Microsoft ICM: Bakeoff Adobe's Windows Photoshop offers two conversion engines for converting colors. These are used when converting between different RGB colorspaces as well as doing ...
6
votes
2answers
508 views

Is there a known practice of post-processing to make a finished photo while viewing a subject?

Photographers often aim to create a work that accurately depicts a subject, and/or is informed or inspired by the experience they had looking at it. A significant part of the work of making a photo is ...
1
vote
1answer
48 views

Best method / hints on digitising a rolled up panoramic photo

Any suggestions for the best method of digitising an old school group photo? This is on a roll about 1 metre long and 130mm wide. Too long to fit on my scanner bed. It is also liable to cracking if ...
1
vote
1answer
54 views

Looking for a good workflow to deal with large file sizes after Photoshop

I recently upgraded to a Nikon D850 which produces RAW files on the order of 37MB in size. I take these as DNG files into Lightroom. When I edit an image in Photoshop and then return to Lightroom with ...
4
votes
2answers
7k views

What is the difference between pixel pitch and pixel density?

This site already has a question around what is pixel density, but it doesn't mention pixel pitch at all. I am wondering what the relationship is, and what is important about the relationship to ...
1
vote
1answer
3k views

Error:“Press Shutter Release Button Again” on Nikon D5300 [duplicate]

My D5300 with 18-140mm lens is having problem "Press Shutter Release Button Again"...as error message pops ups in AF mode....but in manual focus mode...the error is not there, but images are ...
2
votes
6answers
7k views

What do I do if recovery software doesn't find any files to recover on SD card?

I accidentally formatted my memory card before realizing I hadn't copied the photos and video from it. Since I realized right away, I had not used the card and there is no chance for overwriting ...
3
votes
1answer
208 views

Why is Photoshop's Photomerge stitch having problems correcting exposure on huge amount of photos?

I have a problem. See photo 1 (with all stitched) and photo 2 with only top left. You see in the smaller it's OK. In the bigger it didn't correct any small difference in exposure (due to sun going ...
3
votes
3answers
153 views

How does a drum scanner work?

I see photoshops offering drum scanning to 1 Giga Pixels and even more. How is a machine from the past able to extract so much information? In addition to how the scanning process functions, does ...
8
votes
5answers
18k views

How can I repair a corrupt .nef file?

I took about 100 shots using a Nikon D7000 on a 4GB memory card this weekend, shooting in RAW. I checked the pictures after the first 5 and all looked fine, so I kept shooting. After taking about 95 ...
1
vote
0answers
26 views

Why is the contrast calculated in i1Profiler so low?

I just received a Dell S3221QS 32" Monitor with a VA panel. I used i1 Display Pro and i1Profiler 3.x to calibrate the monitor. At the end the calculated contrast ratio is just 256:1, which is ...
3
votes
2answers
4k views

disposable camera film - random pics green, no image, fog

I got a film developed at cvs. It was a disposable fuji. Some of the photos returned were so hazy and green you could not see the image at all. Is there any way to fix these images? Other photos were ...
18
votes
8answers
48k views

How can I recover photo files from a memory card with a corrupt filesystem?

I know this is not specifically a photography issue but since many of us with prosumer/professional-level DLSRs use Compact Flash cards, it is bound to happen to others as well. I have a Sandisk 16GB ...
2
votes
1answer
102 views

Restoration of a corrupted JPEG file

I wonder if there is any way to restore corrupted JPEG files in my situation. Duting copying of files from camera SDD card I had some kind of problem/mistake with few files, but I was able to repeat ...
1
vote
2answers
1k views

How do I find raw files corresponding to selected JPEGS

I shoot RAW + JPEG on fujifilm cameras and 90% of the time I'm fully content with my jpeg images but a few could use some editing. To save time I would like to cull my photos into three categories: ...

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