All Questions
26,471
questions
3
votes
4
answers
66
views
How exactly does an incident light meter determine the exposure?
I am struggling to understand what is going on inside the logic of an incident light meter in order to determine the exposure as opposed to a reflective light meter.
I understand that a reflective ...
- 31
0
votes
3
answers
60
views
Camera auto-focus issues with Tamron 150-600mm
I rented a Tamron 150-600mm f/5-6.3 G1 to test it before buying. I want it for bird and wildlife photography. My camera is Nikon D5600.
While testing today on few birds sitting on a distant branch, I ...
- 269
0
votes
0
answers
58
views
Best way to process RAW photos of acrylic paintings for print publication
Is any processing necessary on my RAW photos to prepare them for print (not Kindle) publication through KDP?
Besides any processing, the KDP requirements seem to be at least 300 DPI, highest ...
- 3
2
votes
2
answers
415
views
How can I find detailed Sony Exif codes in a format that I can use
Summary
Where can I find Exif codes of the type shown below that cover all features of my cameras?
(I have mainly Sony cameras but a more general resource would be welcome).
I have too many Sony ...
- 19.5k
0
votes
0
answers
19
views
Anyone recommend a scanner to buy for 35 mm half frame? [closed]
Was recently gifted an Elgar H35 Half Frame camera and I’m now in search for a scanner so I can see the product result any recommendations on what you all use? Or where to buy a decent one ?
- 1
0
votes
1
answer
31
views
Imagemagick distort values for GoPro Hero3+ Black lens correction
I am trying to use ImageMagick to correct an image from the lens of a GoPro Hero3+ Black camera. I see here that ImageMagick has both instructions and code parameters here for a GoPro Hero 3 but ...
- 155
2
votes
3
answers
95
views
How to shoot in enclosed spaces with reflective surface without any reflection and have a good quality image
For my current research project I need to take photos in a wind tunnel (A big enclosed rectangular 400cm x 100cm x 70cm). The objects are super tiny seeds that disperse on a white reflective sticky ...
- 21
8
votes
7
answers
3k
views
Photo contrast in early morning
I've been playing with my new camera. I went for a walk in the forest in early morning. As the sun came up, the first rays of light hit the trees, and they glow gold.
I tried capturing this in a ...
- 183
0
votes
3
answers
150
views
Best settings for photographing 200 paintings indoors with floodlights and a tripod
I want to photograph about 200 acrylic paintings done by a family member who now has dementia. It's meant to be a tribute in the form of a self-published book. She had painted as a hobby her entire ...
- 3
1
vote
1
answer
113
views
Lens auto-focus not working well
I am using Nikon D5600 with Kit Lens. I have mostly used Manual Single-Point focus and sometimes Continuous Full-Area focus. When using 70-300mm kit lens, I tried Auto-Focus on a bird at a single ...
- 269
0
votes
2
answers
143
views
What camera and lens can achieve such subject magnification?
I'm still new to the subject and I'm confused by all the offerings on the market.
I'm trying to understand if you need expensive equipment to shoot good quality video and stills with such ...
- 101
0
votes
1
answer
77
views
Has anyone experienced these lines on your film?
I noticed these parallel lines/streaks across my film. This was shot on a Mamiya RZ67 and I've never really experienced these lines before. Got the film developed at a local film lab, and self-scanned....
1
vote
1
answer
92
views
Nikon d5300 lcd turned on for 2 second and it stopped working
I cant use any button or anything's just a black screen . It showed some date amd time setting for 2 second and it got blacked can anyone help
- 11
0
votes
0
answers
22
views
Remote control option is not saved
When I set Remote Control Mode in the SHOOTING MENU of my Nikon D7100 to "Quick-response mode" (for example), this option is reset to "OFF" after a few minutes...
Is this by design ...
- 101
1
vote
0
answers
72
views
Are there any affordable DSLR/mirrorless cameras that are as easy to use as my phone for night photography?
My phone, a Pixel 7 Pro, is really easy to take great night shots with. Just point and shoot, and most of the time you get a decent shot. The only issue is that the resolution is a bit low for viewing ...
- 189
0
votes
1
answer
29
views
Create a collection in Adobe Lightroom Classic given the file names (including path)
How can I create a collection (or simply filter) in Adobe Lightroom Classic given a list of file names (including directory/path). I tried to use the text filter but this only works for file names ...
- 101
0
votes
2
answers
82
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 ...
0
votes
3
answers
85
views
How do I tell if my camera has film in it?
I recently acquired a Pentax ME that has been sitting on a shelf for at least twenty years. It may or may not have a partially-exposed roll of Kodak Gold 100 film in it. How can I tell for certain, ...
- 836
1
vote
0
answers
58
views
Wide angle lens installed in exterior ATM has strong backlight so users are silhouetted, is there a way to change settings to get a clearer face?
There are several settings that can be changed, and WDR setting, but it doesn't always work well. I am wondering if there's a shutter speed or ISO setting that will be better at it.
- 11
3
votes
1
answer
72
views
Any way to tell a Canon R camera "I want the widest aperature available at any given moment"?
I've recently been spending some time trying to shoot fast-moving things with a variable-aperture zoom. This is annoying; not because I have any real problem with the variable-aperture nature of the ...
- 173
5
votes
1
answer
1k
views
Set up multiple cameras on a frame to shoot different angles of an item simultaneously on a budget
I have an eBay store and I am looking to increase productivity of the photo taking process. Using my phone, taking an image, then rotating the item and taking another image over and over again is a ...
- 159
0
votes
1
answer
55
views
File size for focus stacked images
Using Lightroom + Photoshop for focus stacking
I have a 42MP Sony A7R3 camera, and I used compressed RAW, which results in ARW files of around 42MB.
Say I have 2 of these files, and I open them as ...
- 125
1
vote
2
answers
57
views
Let Canon EOS M6 prefer <1/100 exposure time with slightly higher ISO?
I frequently get motion blur with my Canon EOS M6. I noticed that the camera usually automatically choose very low ISO and a slow shutter:
Example EXIF: 18mm f/3.5 1/80 sec ISO 100 (mode was ...
- 111
1
vote
0
answers
47
views
How can I adjust the RAW (DNG) files from my FIMI X8 SE 2020 drone to achieve colors similar to the default JPG files?
I got a FIMI X8 SE 2020 drone a couple years ago, which has a good quality camera. However, when I shoot in RAW+JPG mode, I notice that the RAW (DNG) files have dull and distorted colors compared to ...
- 11
2
votes
3
answers
110
views
Any downsides to using an A-mount lens on an E-mount Sony body?
I might be able to get a Sigma 60-600mm DG HSM (not DN) lens for a good price, used, which has an A mount. I have an E mount body (a7r3), and was wondering if, combined with an A to E adapter (...
- 165
0
votes
2
answers
52
views
Calculating lens distances with a magnifying lens [duplicate]
I have a Nikon 4T close up lens to attach to a Nikon 120mm large format macro lens. The 4T is 2.9 diopter / magnification factor 0.11.
The usual equation is 1/(focal length) = 1/(object distance) + 1/(...
- 795
3
votes
4
answers
167
views
Safe Distance away Radioactive Lens?
Is it correct that when you move at least 3 feet away from a radioactive that level drop dramatically to safe levels and even further a way - as little as 10-12 feet-levels drop to background levels ...
- 31
0
votes
1
answer
79
views
Is a CPL Circular Polarizer Filter in default position noticeable in 360°?
Can you notice a CPL filter on a 360° shot while it's on the "default" position?
I know that the effect of a CPL filter only really takes effect in a 90° angle to the sun.
Because of that it ...
- 101
2
votes
1
answer
44
views
Relationship between quad bayer sensor and the CMOS size
I have developed Python code to take an image produced by a DJI drone (and several other GNSS Cameras) and georeference the images. Basically the code reads the EXIF data from the individual images. ...
- 155
0
votes
1
answer
15
views
How I can use my Godox V850II as optical slave for TT560II as master triggered by radio? [closed]
I had been using Godox TT560II Flash as my key light and Yongnuo flash as optical slave. I decided to have another flash which is Godox V850II but i can't trigger it optically as slave just like the ...
1
vote
0
answers
79
views
35mm film was blurry
I am using a Nikon Nikkorrmat FTN camera with 35mm film. Some of the images, once developed, came out fine and some were blurry. Is this down to the developer or my camera. If it is the camera how do ...
- 11
0
votes
1
answer
33
views
ExifTool, apply default.xmp to all RAW images in the folder
I have folder with files
default.xmp
_DSC0001.ARW
_DSC0002.ARW
_DSC0003.ARW
What i want to get is three new XMP files that have same contents as default.xmp for each image in the folder.
default.xmp
...
- 197
0
votes
0
answers
49
views
Software for Windows that can do reverse image search like Google but locally? [migrated]
I am not looking to find all duplicate files.
I have an image that is low resolution on my desktop, sadly as its low resolution its not really usable.
But somewhere on my computer, on one of the 4 ...
- 101
3
votes
2
answers
592
views
How does one create a glowy/halation effect in post?
Newbie at post processing here. I stumbled across this photographer who has these really soft glowy auras around his light sources (see below). I believe he shoots digital and does all this in post (...
- 31
1
vote
0
answers
55
views
hole punch for old type 126 and 110 film
New film has holes down both side like the old school tractor feed printer paper.
Older type 126 and 110 film only has 1 hole on 1 side approx every photo.
Are there any kind of hole punches to ...
- 113
0
votes
1
answer
65
views
Why are there white smudges on some of my film scans?
I just got back the negative scans from the first few hundred shots I took on my Minolta TC-1 with kodak gold. I've noticed that on some photos there is a white smudge near the bottom left corner of ...
- 23
0
votes
2
answers
53
views
Simulate backdrop wall mount using autopole
I want to buy two autopole to create a background setup.
My issue is that most of the setups I have seen until now, the autopoles are visible.
Is there any clamp or something that would make it ...
- 131
1
vote
1
answer
82
views
Help identify this vintage lens mount
I have a Hanimar Automatic 200mm f3.5 lens. It has a lens mount that I cannot identify by matching with vintage lens mounts online. There is a spring mounted pin which controls aperture, with left ...
- 43
4
votes
1
answer
559
views
Why is the standard f-number system not consistently rounded?
The standard f-numbering system can be calculated by the square root of powers of two. Commonly used today is the 1/3 system, as it can be found here: https://en.wikipedia.org/wiki/F-number#...
- 207
0
votes
0
answers
37
views
Any recent(not older than 2015) books that cover into detail aspects of a Digital camera like the sensor, ADC, DSP, analolgue pre- processor etc.?
Manual of Photography is great but its last edition was published 13 years ago and Im guessing digital camera technology has changed quite a bit during this period. Any recommendations ??
- 41
1
vote
3
answers
194
views
Why don't printers print square dots/pixels?
An 8.5x11 piece of paper should have 77% less pixels/dots on the 8.5" side. However, most consumer printers seem to print at "Dots per inch" (DPI) of 1200x600, 2400x600, 4800x1200, or ...
- 793
0
votes
1
answer
34
views
Adding the Apple ProRaW profile to Lightroom
I have Adobe Photoshop Lightroom Classic CC 8.2.1 with Camera Raw 11.2.1.
How do I add the Apple ProRaW profile to it?
- 1
2
votes
0
answers
26
views
Using IT8.7/2 target for camera calibration
I got interested in colour calibration of my input devices. I am not a pro, the purpose is to achieve good colour preservation in family archive digitization effort. So cost is a factor.
For my ...
- 282
0
votes
0
answers
17
views
Lens corrections from lightroom .lcp to darktable .xml
My aim is to convert lens correction file .lcp (adobe lightroom) to use it in darktable. I downloaded lensfun database with lensfun-convert-lcp (it has no extension) regarding this link and have no ...
- 1
0
votes
1
answer
40
views
Can I use Canon EF lenses on an EOS 600? [duplicate]
Maybe it is a dumb question, but my camera store has a Canon 600 for €25. I have some ef-lenses at home by canon, I'm not sure if I want to invest in the camera if I can't use the lenses. The owner is ...
- 1
0
votes
1
answer
69
views
How much is the depth of field of Weegee's "f/8 and be there"?
I am curious about the depth of field of the famous saying "f/8 and be there".
"f/8 and be there" is often associated with hyperfocal distance on 35mm, which means infinite depth ...
- 105
2
votes
1
answer
118
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 ??...
- 41
1
vote
1
answer
30
views
How do I set the preserved filename with exiftool only on the first time?
Context
While organizing my pictures I typically use many operations of exiftool to adjust date/time, rename the file, bulk add GPS locations, add creator names etc. In this process, each JPG image is ...
- 163
1
vote
0
answers
37
views
Scanned film show bright border around the edge
My scan result (using the Epson 600, the film is Fuji Pro H 400, not expired) showed the top and bottom of the film strip significantly brighter than the middle:
And here is a more extreme example:
...
- 487
0
votes
1
answer
112
views
I have a bunch of film to scan, what is the best resolution?
I have roughly 1200 photos on film varying in age from modern to type 110 and 126 and some of it 50 years old.
I got a Nikon 5000 ED second, bought good software (Silverfast Archival), used color ...
- 113
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