All Questions
26,371
questions
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
1
vote
2
answers
79
views
Why was my film back in the canister when it felt like my Canon AE-1 wasn't rolling back the film?
With this particular roll I was able to keep shooting past 36 shots which makes me think something was wrong, and when I tried to roll the film back into the canister as normal I didn’t feel any ...
- 13
1
vote
1
answer
52
views
Profoto B2 System battery issues
I bought a brand new B2 a while ago as a hobbyist. Rarely used. I now have 2 batteries that won't take a charge. In other words, I have a boat anchor. It's completely silly for me to purchase 500.00 ...
- 11
2
votes
3
answers
174
views
What should I consider when shopping for a second lens (after the kit)?
I have a Nikon D7500 with the 18-140 mm zoom lens, and I've been shooting for a couple of years, although I still consider myself to be a beginner photographer (check out my work).
I see myself ...
1
vote
2
answers
97
views
How do I decode the stamp on the back of this photograph
FOTO-KOCH E725 FRANKFURT-M. on the back of an old photo.
Was photograph taken in Frankfurt or just developed there?
- 11
0
votes
2
answers
101
views
Why did my film photos turn out blurry/fuzzy?
I shot my first roll of film on the Olympus infinity stylus zoom DLX that I got recently (and paid a lot of money for). I used Kodak 400 film and all of my shots turned out fuzzy and blurry? Not sure ...
- 1
0
votes
3
answers
49
views
Force Lightroom to check of XML changes
I use Lightroom and Photo Mechanic. When I make changes in Photo Mechanic (ratings, colour labels, etc.), the changes are written to an XML file. Often I make hundreds of changes.
In Lightroom, it is ...
0
votes
3
answers
42
views
Is the Yongnuo YN-E3-RT weather-sealed?
I'm thinking of buying a Yongnuo YN-E3-RT instead of the Canon ST-E3-RT. My one and only reason for getting the Yongnuo is because it allows off-camera second curtain sync (SCS) with my Canon 5D Mk ...
- 1,290
4
votes
0
answers
65
views
Is the Canon radio wireless flash system the same in every country?
Is the Canon radio wireless flash system the same in every country? I'm looking to use several Canon "RT" flashes, some bought in the UK and others bought in the US. Will this work, or ...
- 1,290
0
votes
1
answer
25
views
How to auto Tune for live view in Nikon D780
I found my lens and camera weren't give to me good results and I resolved to tune it.
I was able to tune for Finder but not for Live view.
I didn't find any information on how to auto-tune or tune for ...
- 135
0
votes
0
answers
49
views
Is there a way to batch stitch images in Hugin without cropping and using a fixed projection?
I use PTBatcherGUI to stitch multiple panoramas in Hugin using the following the menu sequence:
File --> Search directory for... --> Images...
This then generates the .pto files that the batch ...
0
votes
0
answers
44
views
'hot' RGB pixels in CIS flatbed scanner images
I recently got a used Canon LiDE 300 CIS flatbed scanner that, whilst having a scuffed top cover, was completely functional and actually contained less dust under the glass than my other, better ...
- 1
0
votes
1
answer
127
views
Photo quality if you upscale a low-quality photo with Gigapixel AI then downscale back
Gigapixel is a program by Topaz Labs that is able to enlarge small and low-quality (pixelated) photos, while enriching them with higher quality details (between and within the original pixels) by ...
- 564
1
vote
2
answers
205
views
Nikon Z50 Auto Setting Focus Issues
I have been taking photos for many years, amateur but always complimented for my great photos. After most of my life using a great point-and-shoot camera - a Samsung VLUU WB500 (HZ10W) I bought in ...
- 11
0
votes
1
answer
31
views
How do I switch the power display on an Godox monolight (e.g., SK400 II) from ratios (1/1) to decimal (10.0)?
So, on all the specs I've noticed that with an SK400 II (and most of the other Godox AC-powered manual monolights) that you can set the power not to use ratio settings (1/4, 1/16), but decimal (10.0, ...
- 50.5k
0
votes
0
answers
67
views
Pixel binning with R5C
How can I do pixel binning with R5C's raw files or directly (ie., before writing a file), with still or video, from the camera (eg., with a specific downscaled format) or with another existing ...
- 801
0
votes
1
answer
94
views
How can a fixed-focus lens have a focus range of 0.5 meters to infinity?
I have a Mavic Air 1 drone and I was wondering how the camera of this drone can have a shooting range as large as 0.5 meters to infinity with a fixed focus?
Mavic Air 1 camera specs:
Parameter
Value
...
0
votes
2
answers
68
views
How is the picture (image signal), acquired by the sensor, shown in a display?
Let's consider a CMOS sensor with N number of pixels. For the sake of simplicity, let's consider an hypothetical Black and White sensor. Each pixel catches the energy provided by the input luminance ...
- 484
2
votes
1
answer
84
views
Mysterious problem - Sigma 17-70 f/2.8-4
I've bought a cheap used package of a Nikon D3100 and some lenses, including a Sigma 17-70 f/2.8-4 (not 4.5, and not contemporary). After several tests I can tell that this 17-70 has a problem. Here ...
- 31
1
vote
3
answers
177
views
Do you know a lightroom vintage preset for portraits?
That's the portrait whose vintage atmosphere I'd like to simulate in my "normal" portraits.
Do you know a default or a famous (and available on the web) preset which provides similar ...
- 484
1
vote
0
answers
61
views
Why won’t the aperture adjust on my Sony A camera? [closed]
I recently bought a telezoom objective without built-in AF. I did not bother because my camera has an AF which could handle the focus on such lenses.
I always had used lenses with built-in AF so I did ...
- 11
1
vote
0
answers
83
views
Where does Digikam store meta data for video files? [closed]
I use Digikam for photo and video management. It's set up to store metadata including tags, titles, and ratings in the files themselves. With photos, this works as expected. If I review the meta data ...
- 161
2
votes
2
answers
155
views
What’s the matter with my film?
I just received my photos from the developer and there are these light colored streaks/ lines on my film. I’m new to analogue photography and this is the first time I’ve experienced this problem. ...
- 21
1
vote
0
answers
61
views
How can I troubleshoot an external flash that won’t slide all the way into to a Nikon camera?
Why won’t an external flash slide all the way into a Nikon camera?
This external flash won’t work; it seems like something is blocking it from clicking in.
- 11
0
votes
0
answers
53
views
What does the "Hotel Paparazzi" use in Recep İvedik 1 (2008)?
There is a scene involving the hotel paparazzi trying to take a picture of the main character.
What I find funny is how I have my own mid/late 2000s Nikon like the dude has. I have a D80/18-135 but my ...
- 1,951
3
votes
2
answers
89
views
What is the optimal pixel count on a cropped sensor for Canon 100mm macro USM lens?
While choosing used camera to buy, I was checking some combinations of camera bodies with Canon 100mm macro USM lens at DXOMARK and noticed that sharpness (in perceived megapixels) looks very strange.
...
- 31
1
vote
1
answer
62
views
Applying known gps-coordinates to photos without gps-tags
I have a large amount of photos that I need to apply gps-coordinates to. I also have a list of the objects that have been photographed, each with an unique ID and with known x/y-coordinates.
Is it ...
0
votes
0
answers
16
views
Is there a way to use a flash designed for Nikon on my Sony A7II in TTL mode? [duplicate]
I own a neewer 750ii ttl speedlite, which is stated to be compatible just on nikon cameras.
Is there a way to use in on Sony A7II, precisely in TTL mode?
- 484
9
votes
5
answers
4k
views
How can I reproduce a myopic effect on a picture?
I want to accurately reproduce a myopic effect on a picture or a scene.
I will explain... I'm a guy with very high myopia (20° to round). I want to show people how I see without my contact lenses.
I ...
- 191
1
vote
0
answers
52
views
Why does Google Pixel 6's camera add some artefact when using `.7x`?
Example of artefact using the native camera application with .7x:
Camera with 1x shows no such artefact:
1x and .7x settings:
3
votes
1
answer
123
views
What determines the image circle diameter?
Anywhere in the web it's stated that the image circle diameter depends on the lens design. I'm curious to understand it a bit better.
Let's start with basics. Let's consider a single thin lens ...
- 484
3
votes
2
answers
97
views
Canon ETTL-II and the Canon 50mm f1.8 STM lens
I read somewhere that the Canon ETTL-II system cannot read subject distance from Canon's EF 50mm f/1.8 II lens.
Is this the same for Canon's more recent 50mm f/1.8 STM lens?
- 1,290
0
votes
0
answers
36
views
Scratch memory error in Photoshop
I am a new user of photoshop. I installed photoshop in my system and now I am getting a scratch memory error in photoshop. Does anyone know how can I fix this error on my PC?
1
vote
0
answers
46
views
SDXC card refused by Nikon D5500
I recently bought a used Nikon D3100 with several pieces at a bargain, including 2 Huawei Professional 128GB SDXC I V30 U3 C10. I'd very much like to use them in my D5500, but neither of them will be ...
- 31
2
votes
3
answers
85
views
How do I get vibrant red tones in film simulation/presets?
I'm currently working on recreating a film type aesthetic for a preset. However, I'm having trouble getting the reds right. I love the very vibrant reds in certain film stocks, so I'm trying to ...
- 151
3
votes
2
answers
86
views
Does "Field of view" include radial lens distortion?
When manufacturers state the "field of view" of a camera, is that including lens distortion or not? I work a lot with CCTV and dashcam footage which always has barrel distortion. For a given ...
- 33
1
vote
3
answers
140
views
camera sensor size, crop factor and object "magnification"
I have been reading some things about photography and most make sense, with some exceptions.
About sensor sizes, I was reading this nice article where at some point, scrolling down, it says that with ...
- 113
1
vote
2
answers
65
views
Why is the reflection of the sensor mount on the sensor having a chamfer
I always see the reflection on the camera sensor having a little chamfer:
But the plane in front of the sensor does not have this chamfer, the reflection should be a right angle if it's a mirror:
...
- 465
1
vote
1
answer
83
views
Calculating DOF for custom optics
I was trying to get my head around the DOF for my custom optics design and sadly it seems I end up with strange situation that the Near DOF value is larger than the far one making my DOF value ...
- 11
3
votes
3
answers
94
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 ...
- 465
2
votes
1
answer
125
views
Leaf Aptus 65S Digital Back for 645 to RZ67
For a somewhat cheap price I got my hands on an second hand Leaf Aptus 65S digital back, however I found out that it's for Mamiya 645.
Is there a way to replace the Adapter to use it on a RZ67? I ...
- 55
6
votes
2
answers
140
views
Understanding the lighting on Peter Lippmann's noble rot series
I'd like to understand how Peter Lippmann lit his noble rot series. The grapes are exposed but the light falls away towards the sides, to a very black background. Could anyone explain to me how he ...
- 61
2
votes
2
answers
127
views
Camera strap attachment - Why no spring clips?
I've been searching for a new camera strap as I've grown my collection (oops).
I now have a selection of different formats and sizes of camera:
Canon 6D mkII (main shooter)
Lubitel 166B (120 medium ...
- 273
1
vote
1
answer
65
views
Nikon N75 Mirror stuck halfway
I recently got an N75 as a gift from a friend, but when I opened it, the first thing I noticed was the mirror was stuck halfway.
I changed the batteries, I can't change the shutter speed, replaced the ...
- 11
1
vote
1
answer
50
views
What is the Field of View (FoV) of iPhone XS Max?
What the field of view (FoV) of iPhone XS Max rear cameras?
- 11
2
votes
3
answers
91
views
Why do phone cameras have "oil painting" like effect on human skin?
I've long noticed that phone cameras have an oil painting like effect on human skin.
As phone cameras get better, the effect is less pronounced by it's still a significant difference from a bigger ...
- 3,268
5
votes
2
answers
670
views
Background replacement where Subject is leaned against the greenscreen and photographed at an angle?
I work at a small town photo studio as a photographer and my boss recently came up to me to ask for advice on a decision he needs to make regarding the portrait picture service we offer. Basically, ...
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