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172 views

Photo Competition 2022-01-31: Wood

Theme: Wood Living wood, dead wood, burning wood, wood with nails or screws. Pictures that elicit the smell of resin or sawdust. This theme was suggested by xenoid. Voting Rules View the submissions ...
1
vote
0answers
26 views

Why can't I import pictures from my moto g6 (Android 9) into Shotwell on Debian Bullseye?

I used to import my phone pictures into Shotwell on a Debian computer by doing something like Plug the phone into a USB connector on my laptop. Set the phone's USB Preferences so that "USE USB ...
0
votes
1answer
24 views

Which DNG version is supported by Lightroom 5.7.1?

After buying a new camera I realized that Lightroom 5.7.1 (Adobe stopped to sell permanent licenses, so I did not (and won't) upgrade) would not recognize the newer RAW format (Panasonic Raw Version: ...
1
vote
4answers
1k views

What is causing the "bright spot" artifact in my picture?

Why is there an artifact in top edge of my picture? Camera: GH4 Lens: 20mm Lumix G 1.7 Shutter speed: 15 sec ISO 100 f/16 Is this something in my sensor? There are two black dots visible under the ...
0
votes
3answers
41 views

Sensor pixel size "pixel area" any important?

Using this camera comparison tool i got pr If you look at pixel pitch it shows 5.95 µm and 4.76 µm however for some reason difference they display is 25% when in reality its only 20% What is "...
0
votes
1answer
85 views

How to choose a white border for prints?

I will print some images on an aluminum plate. I saw prints on aluminum absolutely without a white border and with white borders with widths until 12 cm. The size will be around 90x60. Are there any ...
0
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2answers
132 views

How to remove language from canon camera?

I want to remove unused languages from a Canon EOS camera. Is there any way I can do it myself?
0
votes
0answers
25 views

Is it possible to improve video quality by exposure blending [closed]

Much like you can stack or blend exposures with photos (e.g. astrophotography and HDR) - with a high framerate video (say 240fps) from a GoPro does a tool exist that would downsample that to 60 or ...
1
vote
4answers
123 views

Decrease FF lens focal length for use on APS-C and still have it focus?

Need to convert very cheap vintage FF 50mm f/2.8 lens to work as 35mm lens for for APS-C, for having wider angle of view. Its kind of works by simply placing lens closer to camera sensor (without ...
1
vote
2answers
105 views

How I can improve the quality of this panorama picture?

I took a panorama picture with my Google Pixel 6 (default camera application + Android 12): If one looks a bit close to it, the image is a low-quality. E.g., zooming-in on the top left corner: How I ...
1
vote
0answers
55 views

How to create real HDR image (HEIC/AVIF) from RAW file?

How do I create a shareable HDR image file, in either HEIC or AVIF format, from a RAW? The RAW format should have all the information necessary to create a real HDR image I think. With real HDR I mean ...
0
votes
4answers
283 views

Why using 50mm lens on FF gives more DOF than using 50mm lens on APS-C?

Provided both lenses are 50mm focal length never change why using 50mm lens on FF gives more DOF than when using same lens on APS-C. 50mm lens on FF f/2.0 focus distance 2m gives DOF = 18cm 50mm lens ...
0
votes
1answer
22 views

How to ignore RAW files in DigiKam

All my photos are in one directory tree: pics/ |--<timestamp>-<name>/ # contains exported jpgs/heifs | |-- raw/ # contains RAWS & SOOCs After I'm done with modifying ...
1
vote
3answers
536 views

Does using a focal reducer shrink depth of field?

When I use a 50mm f/2 lens on an APS-C camera with a focal reducer (speed booster), the angle of view is similar to a full-frame camera. Will I also get shallower Depth of Field (more background blur)...
1
vote
1answer
33 views

Godox Umbrella Octa Softbox witgh speedlite bracket

I’m investing in my first off-camera lighting setup/softbox and wanted to check that the setup I have will all be together. Already owned - Yongnuo YN560-IV Speedlite - Trigger for the Yongnuo ...
1
vote
0answers
33 views

Scanning image with cover opened and I need to correct the brightness to match the one scanned from closed cover

I have a Epson Perfection v600 scanner and sometime I need to scan my images with the scanner cover open. This costs a difference between 5% to 9% darker in brightness of color. How do I correct this? ...
1
vote
3answers
133 views

Does the focal length on cropped lenses include a crop factor? [duplicate]

I'd like to be certain about the focal length written on the cropped lenses, e.g. I have a Sony NEX-5N with the original OSS 18-55mm kit lens. Is it actually an 18 to 55mm focal length with no "...
0
votes
1answer
57 views

Can this kind of lighting take good photos of perfume products with some effects

I want to buy lighting to take pictures of perfume and glass products in general, But there is an effect that I like like the pictures below and I want to take something similar. I found this product ...
1
vote
1answer
42 views

Is SNR dependent on unit area ('per pixel')?

I understand that shot noise will be dependent only on final photon count, and thus is invariant under area changes (shot noise = sqrt(total_photons)). Is the same true for final SNR, if considering ...
2
votes
1answer
56 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 ...
0
votes
1answer
25 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 ...
0
votes
1answer
30 views

How to tile the same image repeatedly in Gimp?

How to tile a 1:1 image 3 times horizontally, side-by-side 1:3, without having to manually calculate and type in 3 times the width of the original as a new file? And without being constrained to ...
0
votes
1answer
43 views

Preserving Recovered Images: What is stored in the "UserComment" EXIF tag?

Background Hello, I was able to recover some images from a broken hard drive. Some of the images seem to have some binary data in the UserComment tag and I was wondering if it could be Lat/Long data? ...
0
votes
1answer
91 views

Two calibrated flatbed scanners with different reading on the same color, where is the problem coming from?

I'm collaborating with another person on scanning anime cels. But first we need to confirm that our scanners produce identical colors. So we picked one paint color that we both have and compared our ...
-4
votes
4answers
227 views

Why are camcorders rarely used for static photography?

Camcorders all come with static image capture mode. Of course DSLR cameras come with video recording capabilities as well, but besides camcorders being larger in longitudinal length, is there any ...
0
votes
1answer
35 views

controlling flash power on a 580EX using Godox x2t-c and x1r-c

I am able to pair and trigger my canon 580EX without an issue using the camera shutter and the test button, but for the life of me the power on the flash will not change if i change it on my x2t-c. ...
0
votes
0answers
32 views

Infamous issue with Nikon FG -> Blinking 125 / 60 light meter

I just picked up a Nikon FG until I realized it had an issue with the light meter. I know that I have to crank a few photos until the frame counter reaches one for the light meter to start, this is ...
1
vote
1answer
43 views

What metadata fields are shown in the MacOS Preview Inspector TIFF tab?

If I view a jpg in the MacOS Preview app, I can use Tools>Show Inspector to bring up a More Info window. Its info tab (ⓘ) has four sub-tabs: General, Exif, IPTC, and TIFF. The General tab shows ...
0
votes
1answer
91 views

Is there a list of camera bitdepths?

I want to buy my forth digital camera, and the final decision is some recent Panasonic Lumix G vs. an Olympus OM-D E-10 (of course the Panasonic is more expensive). As I have had two Panasonic GH ...
0
votes
1answer
140 views

What is the formula to upscale a photo?

Say I have an photo that is 2000 x 3000 pixels. I want a large print that is 20 inches by 30 inches. That means it will be 100 PPI. I’ve been told to upscale my photo before getting it printed. Why? ...
0
votes
1answer
71 views

If I ask someone at a printing shop to upscale a photo, what will he or she do?

I was sent a photo that was scanned at 300 DPI and it’s roughly 2000 x 2500 pixels. I’ve decided that I want to print it as a large print which will measure 20 inches x 30 inches and that works out ...
3
votes
6answers
3k views

Do smartphones suffer from degrees of chromatic aberration? If so, how is it possible?

Smartphone imaging sensors are usually Bayer sensors which have a color filter array on top of each pixel, so each pixel ultimately captures one of red, green or blue colors of light. In that case, ...
9
votes
5answers
4k views

Why is 16:9 aspect ratio rarely used in professional photography?

Sony uses a 16:9 (1.778) aspect ratio for still photos taken from its camcorders. As a guideline, panoramic photos commonly are 3:1, which is wider, while medium format are well-known to be half that ...
0
votes
4answers
324 views

Which camera is better mirrorless or DSLR in terms of image quality? [closed]

I am a beginner to photography buying my first ever camera. I love taking landscapes and am not very interested in portraits etc. Would a mirrorless or DSLR camera have better image quality?
0
votes
1answer
66 views

In Lightroom, what's the difference between setting whites and highlights in basic settings and setting them in the curve panel [duplicate]

I am working on some photographs in Lightroom Classic. I am wondering if these two settings are equivalent or if there is a meaningful difference. What are use cases for each of them and how are they ...
2
votes
1answer
127 views

Firmware Update Canon EOS 80D

Following the proper instructions, I'm using a formatted SD card (64gb) with the latest firmware update (1.0.3; for the Canon EOS80D) downloaded in the root directory (I believe.) When I inset the ...
6
votes
4answers
271 views

Photo Competition 2022-01-03: Environmental Destruction

Theme: Environmental Destruction Deforestation, plastic pollution, chemical spills, quarrying, deliberate burning. This theme was suggested by niemiro. Voting Rules View the submissions sorted by ...
2
votes
3answers
166 views

looking for old/used WIDE-ANGLE lenses with macro feature compatible with Nikon F mount

I want to take some "macro-like" photographs using a wide angle. I don't need to reach 1:1 reproduction ratio, but something close to 1:2, less than 1:4 is preferred. Most of the wide angle ...
2
votes
2answers
480 views

Why won't "align_image_stack" produce some useful result?

I made a few serial shots (at a rate of roughly 5 shots per second) using a new macro lens without image stabilizer or tripod. The original idea was that the small shake of hand could be used in ...
3
votes
4answers
447 views

how to bring out the blue in a photo

typical villages in Greece or in Portugal have a lot of blue and white in their building’s facades, plus the blue from the sea. How can I enhance the blue and make sure that the blue is dominant, just ...
4
votes
1answer
78 views

Are there any alternatives to the look of the Laowa probe lens?

What I really like about macro photography is that it can be really affordable. Great images can be made with rather low budget gear. Most of the time I use a cheap 90mm macro lens for my images but I ...
0
votes
2answers
130 views

Why are there lines in my film photos?

I just recently got my film developed and there are these lines in some of my photos. Is it my camera's fault, or there were some mistakes/errors in the developing process?
0
votes
1answer
386 views

What do I need to get started with developing medium format film? [duplicate]

Only have experience with digital cameras, camcorders and DSLRs. What process is required to fully develop photos shot on a medium format film camera? It sounds like only hardcore photographers should ...
-2
votes
0answers
93 views

How to simulate medium format film's faded pastel look?

How to replicate the faded pastel look of medium format film cameras, for example, that use Fujifilm Portra 400 film stock? The sequence of steps and effects, especially pertaining to hue and ...
1
vote
0answers
61 views

Can anyone determine the date or just year of this photo from the code on the back?

Have this photo and wondering when it was taken/printed. From summer house that’s been in the family for over 50 years. Can anyone determine the date or even just the year from the code? Not even sure ...
0
votes
1answer
63 views

How do plugins manipulate an image?

This seems like an obvious question to me, but with no experience in using plugins I haven't been able to google the correct terms. When using a plugin such as the Nik collection by DxO in something ...
1
vote
1answer
95 views

How do I sync my Canon mirrorless camera with a Godox manual AC strobe?

I’ve just bought the Godox SK400 II strobe and I have a Canon EOS M50 camera. I bought a cable to connect them but I still can’t seem to sync them? Do you have any tips on how to sync this strobe with ...
2
votes
1answer
68 views

Confused with my monitor Picture Modes

I've recently bought my first "Designer Monitor", Benq PD2500Q (yeah I know it's probably still shit for professionals, but for me it's the first 'better' monitor). I'm very impressed by it ...
1
vote
2answers
64 views

Sync photos in Adobe Lightroom CC

I have been using Lightroom CC for some time now and I have grown familiar that all my pictures and work are uploaded and synced to the Cloud. While I enjoy the benefits that come with this behaviour (...
3
votes
2answers
289 views

Setup to have photos automatically loaded to the computer

I want to have cell-phone style photo automatic backup from Canon SLR to Online or Disk This is the intended flow: Take pictures with a Canon 5d Take no other action, and continue using the SLR, ...

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