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votes
0answers
11 views

Photos of myself have been used without my permission in a 'self published ' book?

Photos of myself have been used in a self published book of memoirs without my permission .How to I stop this
0
votes
0answers
9 views

Rear element shattered, can I have my lens repaired?

Rear element shattered. Can it be repaired?
0
votes
0answers
10 views

Can the rear glass be repaired of a broken lens?

Zenitar 16/2.8 with cracked rear glass – I know it's a filter. The lens will not focus to infinity without it, and the damage is bad enough that the lens cannot be used with it. The size is unusual 26....
1
vote
1answer
17 views

Can the front glass be repaired of a broken lens?

Hi Everyone. New to this website. I just newly broke this glass on my lens tonight and wondering if I need to buy a new lens or I can repair this. This lens is Canon EF 85mm f/1.8 USM. This is my fav ...
2
votes
1answer
21 views

Does chromatic aberration affect BW images?

In theory having different wavelengths converge at different locations should affect the luminosity and blur high-contrast edges or create ghost-like images of them, in practice however it seems that ...
0
votes
1answer
22 views

8bit monitor theoretical contrast

Imagine perfect monitor that can display pure blacks and is perfectly calibrated. What would the contrast be between its second darkest shade of black, that is 1,1,1 values for blue green red sub ...
0
votes
2answers
26 views

How to determine which jpeg is closer to the original image and has the most information?

I've got two jpegs of the same photo of different sizes and attributes. How can I tell if one is the original taken by an iPhone4 or if neither is the original, determine which has the most ...
0
votes
1answer
14 views

Reciprocity failure of Rollei Retro 80S at extreme long times

I am planning to do some night shots and wanted to use Retro 80S. But I couldn't find anything on the films reciprocity failure...with a few seconds, doubling the time will probably work, but with ...
1
vote
1answer
133 views

How do I cope with haze for the photos containing sky and trees at a distance?

I'm always struggling with photos which contain large zones with trees situated far away from the camera. Haze and pollution cause severe changes in colors, which means that the trees lose their ...
0
votes
1answer
36 views

Why does 5DSR have a low pass filter?

I have learned it has a low pass filter cancelling filter instead of not having a low pass filter. Why add an another anti alias filter to cancel instead of simply removing it? How does the dual ...
0
votes
0answers
14 views

Adobe DNG Converter cannot see my .ARW files from A7 III

I have seen the previous answer which refers to the need to update the converter, but I am using the latest (v11.4) and the problem persists.
1
vote
1answer
18 views

Are Manfrotto 200L and 501PL quick release plates interchangeable?

Are Manfrotto 200L and 501PL quick release plates interchangeable ? I want to buy a tripod with video head 501PL but want to use it only with small 200L quick release plate. Hope it's possible. ...
1
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0answers
15 views

How to check lensfun version on Fedora

I was just about to make calibration files for my Tamron 90mm SP but according to lensfun it was added in 1.613 (there is only one SP 90mm and it's the same as the one I have in EXIF). How can I check ...
0
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0answers
54 views

Why is there a gray shadow or ghost behind person?

I took a picture on my IPhone of my son while we were out hiking the other day. The photo was of my son and the beach in the background. When I checked the picture later I noticed a grey shadow behind ...
1
vote
0answers
28 views

Camera scope usb for carving [on hold]

I have one of those lighted scopes for a regular usb to hook up to a laptop or monitor that I can download the install process or use a small disk player, This is for carving, Question, What type of ...
0
votes
2answers
47 views

Is it possible to get green and red chromatic aberration?

In one of the hallucinating scenes in a video I have played. The vision is blurry and objects nearer the edges of the screen are green and red. Now the usual chromatic aberration patterns are purple/...
1
vote
5answers
72 views

How does PPI relate to DPI in photo metadata?

I have been asked to provide pictures in JPEG format at a resolution of 300DPI. My computer give me a picture sizes in kilobytes and Photoscape the photo editing package that I use, converts ...
0
votes
3answers
42 views

Playback Screen Showing Too Much Information (Histogram Display)

I'm unsure why my playback screen on my Sony a7 III is showing so much information. It's difficult to see the pictures I'm taking because the image shows up so small. I can use the AF-ON button to ...
0
votes
0answers
15 views

Is there an equivalent of Lightroom's profiles in Capture One?

I am trying to decide between investing into Lightroom or Capture One. Besides presets (that are equivalent to Capture one's styles) Lightroom also has profiles which do not change slider positions ...
1
vote
1answer
91 views

What can I improve in my social dance photography?

I love shooting social dancers. Can you give me constructive feedback at my latest albums what I do you like and what you think I can improve? https://stanyakimov.com/albums/ All photos are taken ...
0
votes
1answer
37 views

Canon 50 1.8 STM: AF adjustment not possible?

My 50 1.8 STM back-focuses a little when focused through EVF. I visited Canon Service in Bangalore today. The technician there outright told me that there is no adjustment possible for 50mm 1.8 stm ...
0
votes
3answers
29 views

How to view 360° photos on a desktop?

How can you view a 360° image (spherical panorama, also known as equirectangular projection) on your desktop in a way that allows you to pan and zoom around? When viewing it in many apps it just ...
0
votes
1answer
31 views

Could someone share AF calibration settings for Sigma 18-35mm lens on Nikon D3300?

I have auto focus problems with Sigma 18-35 which I recently bought on D3300. I would like to see other's AF adjustment/calibration settings. I am having a hard time with setting it up. Are the ...
2
votes
0answers
68 views

How do you turn day into night and night into day? [duplicate]

Easily to explain hard to do. I wonder if its possible for me to take photo of my street in the day and make it look like night because night photography is beautiful but night requires high shutter ...
2
votes
1answer
48 views

Macro Extension Tube Sizes

I've been researching extension tubes for macro photography and I can't quite get a handle on how the length of the extension tube, combined with the actual lens (say the standard 18mm-55mm) will work....
0
votes
1answer
54 views

What lenses have the most human eyelike images [duplicate]

I have heard wide lenses make your head inflated which isnt good for portraits like the telephoto which deinflates your head. So If I use 35mm prime on full frame. Does it mean I will get perfect ...
0
votes
1answer
83 views

Why does the chair and the grandpa look bigger and inflated? [duplicate]

I Was watching one of the actually good movies. In one of the scenes the grandpa tries to "preach" the teens. Here is the scene Its not very obvious but for some reason the chair and the granpa ...
1
vote
3answers
102 views

What lens would I need to photograph a very distant cathedral dome?

I want to be able to photograph the dome of St Paul's cathedral from King Henry's Mound in Richmond Park. Would a telephoto or zoom lens be the best, what focal length/zoom would be the best for ...
1
vote
1answer
50 views

Is there any Superzoom Point&Shoot camera available which offers more telephoto zoom than Nikon Coolpix P1000?

I am planning to buy a Superzoom point and shoot camera and my goal is to get maximum telephoto zoom. I have ended up in Nikon Coolpix P1000. I went through this article : The 20 Best Superzoom ...
0
votes
0answers
16 views

Time lapse aid app - options to help with lining up photos

I would like to try a time lapse with my (Android) phone. There are many useful apps for stitching photos together, but the trick is to get photos that are lined up, taken under the same lighting ...
1
vote
0answers
25 views

Small spots on EOS m50 sensor [duplicate]

I had open my lens of Canon EOS m50 while I am on a ferry to a local island near by. Once I reach home I saw few spots on sensor which doesn't look like dust. I used swabs and cleaned the sensor it ...
0
votes
0answers
63 views

Will one of these two cameras perform significantly better?

Amateur photographer here. I will do my best to ask this question in a way that will be as far from opinion-based as I can get. I am traveling to Alaska in a few days and trying to decide what to ...
0
votes
2answers
113 views

Why do I get so many unsharp pictures with my Canon 70-200 IS f/2.8?

Please take a look at the picture below. You can see where the focus point was thanks to a LR plugin. But the image is unsharp - again. And yes, I'm sure the dog was standing still enough for 1/250 ...
0
votes
2answers
57 views

Camera LCD versus Computer screen [on hold]

How can I get into my PC, exactly what the camera LCD shows? It is exasperating,how much darker an image appears after transfer to PC. If it looks just right on the camera LCD, why does it look ...
0
votes
3answers
136 views

Does a camera have to have a contiguous housing?

The lens group in this picture would have its own protective lens tubes like the one on a camera but one for each lens group. What would be an issue having a gap between the lens group and stray light ...
0
votes
1answer
179 views

Can a camera be a mile long?

Could parts of a camera be spaced out over a distance rather then together to work in a way a normal camera cannot? What characteristics would this camera have over a normal camera? In the picture ...
2
votes
0answers
208 views

What causes this repetition pattern in a picture? (when re-arranging its pixels by their intensity - code included) [on hold]

Just out of curiosity, I was playing with RGB coordinates and pixels of pictures. Then for some reason I decided to get all pixels of a picture, get the RGB coordinates/values of each pixel (eg. RGB(...
2
votes
1answer
41 views

Lossless Format for B&W Scans

I will be scanning a number of old black and white photos from both medium format and from glass plates. I'm wondering what my best bet is for digitizing and archiving them. So I suppose it's a 2 part ...
0
votes
1answer
38 views

Focusing issues on live view - Nikon D750 w/ AF-S NIKKOR 24-70mm f/2.8G ED

On a heavily used Nikon D750 w/ AF-S NIKKOR 24-70mm f/2.8G ED: When using live vision, ussualy while holding the camera up over my head, autofocus focuses nowhere. This happens right after having ...
0
votes
0answers
63 views

How to smooth out a pixelated image before printing? [on hold]

I have a bunch of images such as this one that are completely pixelated, and I my friend wants to make large prints to hang in her house. How can I smooth these out so they will not appear pixelated? ...
1
vote
4answers
108 views

Contrast vs sharpening?

I am trying to study basic digital image processing but i am confused by the difference between two terms "image contrast " and "image sharpening' Please kindly explain the difference and if possible ...
18
votes
6answers
9k views
+50

What is the farthest a camera can see?

At what distance can a face no longer be identified using a camera? At what distance can a figure of a person no longer be captured?
0
votes
2answers
53 views

Focussing area is different in live view than when viewed in viewfinder

When I use the AF-S mode or any other mode through the view finder, I can see an area in which the focus point can be moved. It is relatively small. What if I want to focus out of that area or focus ...
0
votes
2answers
48 views

Memory card for nikon d3500 [duplicate]

Is the sandisk extreme pro 95mb/s 32GB a good memory card for Nikon D3500(Full HD at 60fps and 24.2 MP)? Is it an overkill?Should i buy a cheaper one?
0
votes
2answers
89 views

Can I edit editorial photos?

Is it allowed to edit images marked as editorial on stock photography sites? The main content of the photo is a building and I just want to remove distracting elements like drainage wells and ...
2
votes
1answer
423 views

What is this Mirror-like object before the lens on this industrial camera? [on hold]

I have industrial camera. Its model is BFLY-23S6M as depicted below. This camera is used for license plate recognition. A 850nm infra-red projector is near the camera. As I know it is better to ...
4
votes
0answers
4k views

If a digital camera can be “hacked” in the ransomware sense, how best to protect it? [migrated]

Increasingly, I hear of hackers gaining control over digital devices for their own gain or merely to be a nuisance. I don't know but suspect that when tethered to another device such as a computer, ...
2
votes
2answers
183 views

Should Kodak Vision 500T film be used with ISO 400 or 800?

Hand rolled Vision3 500T film, but I would like to know what is the best ISO to use, 400 or 800, and why?
0
votes
1answer
51 views

Which programs can be used for landscape night photography stacking on a Mac?

I am interested in landscape night photography and would like to avoid star trails. The research I did so far suggests that I should use image stacking to accomplish this but I am having some trouble ...
0
votes
0answers
16 views

Why Godox xpro + x1r-n ttl mode produce over-expose photo

Hi I don't know why sb900 +sb700 produce the under expose. Result vary on iso. F4 speed 1/125 ttl mode Iso 100 ->ok Iso200 -> a little over-expose Iso400-> moderate over When I use Nikon ttl ...

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