All Questions
26,367
questions
1
vote
2
answers
61
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 ...
- 11
0
votes
2
answers
103
views
How can I restore details of jewelry in old photo?
I have an old photo that has a family vintage ring on it. The ring is blurred and its details are not visible. I have no experience with photoshop and image processing and have no clue if it's even ...
- 1
5
votes
2
answers
263
views
What does an 85mm prime offer that a 50mm does not?
Putting taste/preference/opinion aside, I wonder whether I'm missing something, either on the technical side or the artistic side.
My question only addresses the context of digital cameras with "...
- 207
0
votes
2
answers
101
views
Why doesn't film advance stop knob stop after the next frame?
I bought an old 35mm film camera online. I loaded the film, turned the knob that advanced the film. Looking at the dial on top, as I turned the knob, it turned past one, went to two, went to three, ...
0
votes
1
answer
57
views
Should individual participant portraits and event photography services be considered separate invoices?
I recently worked with a dance studio taking individual & group dance portraits for their students and also shooting photo & video for their recital. We agreed to sell photo products to the ...
0
votes
1
answer
102
views
Any fix for overexposed shot JPEG Canon Rebel T3i
I recently was on a trip with a loaner Canon Rebel T3i and although I intended to use landscape settings, wearing it around my neck I think it may have jostled it into manual mode. I've been reading ...
- 3
-1
votes
1
answer
124
views
Could I have destroyed my Lumix GX80 by taking sun photos?
So I shooted architecture photos during a cloudy day but the lighting was very bright and you could see sun directly in some moments. I was shooting and I noticed that I needed to adjust aperture (...
0
votes
0
answers
18
views
Issue in file selecting to stack in Registax5
I have taken 1998 images of sun using a neural density filter. I preprocessed the images using PIPP and got a list of cropped images which were arranged in order of their quality. But then when I try ...
0
votes
2
answers
70
views
Canon AV-1: What is 'backlight compensation' and when should I use it?
As a complete noob to photography, I'm struggling to understand what the 'Backlight Compensation' button is for on my Canon AV-1 and under what circumstances I should/would use this setting? I can ...
- 103
1
vote
2
answers
54
views
Why does Jhead with the -autorot option fail to fix my photos' orientation?
I have a lot of photos taken with an iPhone SE that are not displayed in the correct orientation when I view them using the Windows Photos app, XnView MP, or FastStone Image Viewer. I never modified ...
- 607
0
votes
0
answers
19
views
Does PortKey LEYE viewfinder work with Canon 6D M2?
When recording video, especially with a 600mm lens, it is very hard to find the subject in the screen while using viewfinder is much easier as you can point your head and search the area easily to ...
- 259
2
votes
1
answer
170
views
How to achieve this "faded" "magazine-like" effect?
I really like the effect that this photo has but i don't know how to achieve it. Probably done with photoshop? It almost looks like it belongs on an old magazine.
The effect is kind of over exposed ...
- 23
0
votes
1
answer
50
views
How to calibrate my monitors and colorspaces to to best create a workflow or editing raw photos for uploading and viewing on the web
Question 1:
I have bought 2 monitors-4K ADOBE RGB and 4K SRGB. What/how should I set up the monitors' calibrations and color spaces to best edit my raw photos for exporting to the web?
Question 2:
I ...
- 1
0
votes
1
answer
51
views
How can I trigger a Yongnuo YN565EX II off-camera with my Canon 550D/T2i?
I want to upgrade my portrait photography using an artificial light that can function without being connected to the power.
As for now I want to buy only one source of light.
I thought to use my ...
- 1
0
votes
4
answers
166
views
Which is the cause of Barrel and Pincushion distortion?
Barrel and Pincushion distortion are due to the fact that the magnification of the lens changes as you get further off axis.
Let's consider a single thin lens with an aperture stop. These two pictures ...
- 484
0
votes
3
answers
87
views
Taking pictures of moving objects in low light indoor settings without shake. Canon Rebel T7
I'm sort of new to photography and have been successful taking great photos during the day with good light. But anytime that I am indoors/outdoors with low light I can't seem to keep the image in my ...
- 1
1
vote
2
answers
88
views
How should I remove a patch of colour-cast?
The photo below has a distinct patch of purplish colour, in the area within the yellow oval. It's a shame because I like the picture. I think it must have been caused by low morning sunlight catching ...
- 977
0
votes
1
answer
62
views
SIGMA fp intermittently not recognizing SSD connected via USB-C port
To rule out the obvious suspects:
The SSD is right. Samsung T5, recorded a lot of 12bit 4K CinemaDNG with this very camera on it.
The cable performance is right. Not the original T5 cable—I lost it ...
- 123
0
votes
3
answers
79
views
What is it called when a short vs tall object gets distorted when it moved towards the edge of the image?
If I have a camera pointing "straight" down towards a table and put a pack of gum on the table, it will look the same no matter where I move the pack of gum in the image.
If I put a bottle ...
0
votes
1
answer
67
views
Why does my photo have red and green patches on it?
I am new to photography, so I ran into a problem when trying to edit a photo in Rawtherapee where my picture looks like it has red and green blotches all over it. I took this photo with ProShot on my ...
- 1
-1
votes
1
answer
110
views
Which Canon 2X teleconverter model for 70-200 f2.8 L IS II USM lens?
I recently acquired a Canon 70-200 f2.8L IS II USM lens and want to add a 2X extender. According to Canon, the newest EF 2.0X III extender is only compatible with the EF 70-200/2.8L, EF 70-200/2.8L IS,...
- 1
0
votes
0
answers
45
views
Canon AE-1 needs multiple pumps on cocking lever to fully cock shutters
This camera is a hand-me-down from my dad which I previously thought was broken until I put a battery from my AT-1 in and it fired just fine (turns out 3 or 4 LR44's I tried in 2017 were all junk).
...
- 1
1
vote
0
answers
74
views
Can exiftool move images to folders, based on a timestamp?
Can Exiftool move files that have same timestamp (up to the second) to one folder?
I was taking pictures with exposure bracketing in sets of 3, so they have same-second timestamps. I want to split my ...
- 11
1
vote
2
answers
162
views
My Nikon D7100 autofocus fluctuates and will not focus on distant objects
I photograph with a Nikon D7100 with a Tamron 18-400 mm lens. My camera is set to autofocus but when I try to photograph a bird sitting on a branch that is BEHIND near branches, the camera vacillates (...
- 11
3
votes
1
answer
129
views
How do you achieve this soft/glowing low-contrast black and white look?
Watched La Haine (4k version) the other day and was captivated by how the BFI gave the film a much lower contrast soft look in comparison to Criterion's hard contrast look. I know lighting plays a ...
- 31
0
votes
0
answers
25
views
Are there software tools to help analyze EXIF metadata to help guide new lens choices? [duplicate]
I have a zoom lens (18-135mm on an APS-C body) and I am starting to look at options to upgrade to a different lens. I bought my camera and lens together and while I used a different lens (70-350mm) ...
- 113
1
vote
3
answers
122
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 ...
- 129
0
votes
0
answers
43
views
How do I unjam the film in my Minolta XD-11?
I have a Minolta XD-11 35mm SLR and when I press the shutter it won't take a picture but when I try to advance the film it won't advance. I don't know if this is a mechanical issue or something else. ...
0
votes
2
answers
72
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 ...
- 103
3
votes
1
answer
94
views
Can i use modern 35mm film with an older 35mm camera?
I’m asking this because I recently got my hands on a Fujifilm Discovery 90 and bought some new Fujicolor ISO 200 Color Negative Film from Walmart to go along with it. I would like to know if its ...
- 31
0
votes
0
answers
44
views
Minolta XD/XD7/XD11 shutter fires only when self-timer is set
I found and bought a Minolta XD labeled as "defective" as it had a mirror lock up and a stuck film advance lever. I opened the camera and cleaned some parts especially the oiled blades of ...
- 11
2
votes
3
answers
290
views
Why are my film photos blurry?
A photography newb here. I just got my rolls of film developed and a lot of the photos came out blurry/out of focus. I'm quite sad as most of these were from trips. I am shooting on a Fujifilm Tiara ...
- 23
1
vote
3
answers
104
views
What factors affect a camera's ability to accurately perceive color?
Camera noob here. I'm really just a programmer who recently became interested in barcodes with multiple colors to represent information, rather than just black and white. This overlaps with cameras ...
- 11
2
votes
1
answer
120
views
What battery should I use in a Minolta XD-11?
I just got a XD-11 and it needs a battery.
The user guide references a Eveready S-76 but I can't find info on the S-76 battery model.
What is the proper battery to use in a Minolta XD-11 today?
- 1,577
2
votes
0
answers
85
views
Are there extreme low temperature (-30°C) issues when shooting with a mirrorless and camera and zoom lenses?
What reliability and durability issues can I expect from mirrorless cameras (like a Sony A7) and zoom lenses at extremely low temperatures like -30°C (-22°F)?
Lower battery life is clear, but what ...
- 163
2
votes
1
answer
69
views
Can ImageMagick do channel difference and swap?
In emulating Kodak Infrared Ektachrome (EIR) film (a.k.a. Aerochrome) with images from a full-spectrum-modified digital camera, I want to subtract the blue channel from the red and green channel, then ...
- 971
1
vote
2
answers
169
views
Can a Canon Selphy printer (CP1300) be configured to print borderless photos without cropping them?
The Canon Selphy CP1300 dye-sublimation printer offers borderless edge-to-edge printing on 100x148mm media ("Postcard" size, in Canon's language).
Unfortunately whether printing from a ...
- 977
0
votes
1
answer
96
views
How to copy mask and settings from one Photoshop Camera Raw instance to another?
Ive got many photographs shot against a similar background, ive got these photos saved as high res JPEGs.
My workflow is currently :
import the photo into photoshop
right click the background layer ...
- 301
0
votes
0
answers
59
views
Which camera should I buy as a beginner? [duplicate]
I'm new to photography. In the past I took photos using cellphones. Cellphones are not professional cameras (are they?), so I want to buy a professional one. Because I have no idea what makes a good ...
- 1
0
votes
0
answers
42
views
How to group pictures based on various degrees of image similarity, for the purpose of fixing the pictures that contain incorrect or No metadata
Preface: ( 3 Actions that led to the problem)
I upgrade iPhones every other year and foolishly enabled “delete after backup” from both Amazon and Google photos. In some cases; both at the same time, ...
14
votes
8
answers
1k
views
Why does the distance from light to subject affect exposure (inverse square law) while from subject to lens does not?
Suppose I have a setup with 1 light source, 1 subject to be photographed, and 1 camera.
Keeping all parameters constant, if the light source gets closer to the subject, it will be more exposed, ...
- 143
2
votes
0
answers
49
views
Is Pentax still the only company offering an Astrotracer-like feature?
Pentax cameras have, rather early on, offered a mode that makes use of GPS data and the moveable sensor to compensate for star trailing, which makes longer exposures of starry skies possible. Pentax ...
- 494
0
votes
1
answer
28
views
The location of the Lightroom database for the Android version
I am using the offline version of Lightroom under Android, the problem is that I do not know the location of the database storage and this has i can,t me to be able to transfer the previous database ...
- 71
0
votes
0
answers
33
views
Show folders with similar images in tree view in digiKam
I have files on several removable media and the same files are copied over to multiple places so I'd like to find duplicates to have a de-duplicated version in one place and then think about backup.
...
- 171
1
vote
1
answer
32
views
Bronica ETRSi not winding film/firing shutter correctly
I've recently acquired a Bronica ETRSi and I'm having issues with it (1) Winding on the film and (2) Firing the shutter. I'm wondering if anyone might have any suggestions.
There are 2 levers on the ...
- 273
1
vote
4
answers
154
views
Pixel 6: Any camera app to stack subject and background into the same JPG, so that both appear sharp?
I often take pictures with food as the subject (foreground) and a monument in the background.
Problem: Using a Pixel 6 smartphone, either subject or background is blurry.
Reading How do I keep both ...
- 846
0
votes
0
answers
17
views
Adobe Photoshop Lightroom Classic catalog: preview not updating anymore
(Using Adobe Photoshop lightroom Classic, build 202210260744-9e008017 on Windows 10.)
Description
Preview (secondary screen) stopped reflecting changes made to pictures in Adobe Lightroom Classic (LR)....
- 243
1
vote
1
answer
38
views
Godox X1T(F) + V850ii on Fuji XE-3: does TTL mode work?
I've borrowed a Godox X1T for Fuji cameras, and a Godox V850ii flash. I'm trying to use that stuff with a Fuji XE-3. I'd like to be able to do this in a "TTL" auto-flash setup, which I think ...
- 187
0
votes
1
answer
76
views
Multiple cameras rejecting their own batteries
I don't use my cameras as often since 2020 and lockdowns... and sometime when I pull them out of the bag, I get surprises... (like "Please set the date"...)
Yesterday both of these happened:
...
- 243
0
votes
3
answers
143
views
Why do some lenses have a rounded front element?
I've noticed that some lenses, mainly wide-angle or fisheye (e.g. Samyang 14mm f/2.8, or Nikkor 8-15mm fisheye) have a rounded front element.
Which is the reason for it? It's of course limiting in ...
- 484
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