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6
votes
3answers
1k views

How to check if a photo is edited (even basic edits like exposure and white balance)?

A competition I want to participate in demands that they want unedited photos. The submission should not even have basic edits like brightness, saturation, white balance etc They claim they'll check ...
7
votes
5answers
2k views

What are the best (ethical) ways to keep insect still for outdoor macro photography?

What are the best techniques to improve the details of my insects macro shots ? I don't want to kill them, and ideally, would like to use some focus stacking. I shoot handheld (with a Laowa 2X), with ...
1
vote
0answers
10 views

film stuck in advantix/ aps camera

i bought a cheap kodak advantix c450 which i’m quite certain is not working (i am a beginner in film photography so im pretty clueless) i was sure it was working at one point but now i’m not sure but ...
0
votes
2answers
32 views

Cannot read GPS position from photo

I cannot get GPS position from photo https://e.pcloud.link/publink/show?code=XZdDyVZwG52sqdpQPby7ioEkIByvYN8splX exiftool show: | 8) GPSInfo (SubDirectory) --> | - Tag 0x8825 (4 bytes, ...
21
votes
7answers
5k views

Can digital cameras sign images to prove authenticity?

Beyond the metadata/EXIF/IPTC (which can be easily altered), is it possible to prove that an image is authentic? If this is not possible, how does a photojournalist prove the authenticity of an ...
1
vote
0answers
17 views

Discover smallest resolvable detail of smartphone camera with MTF

Given a chart I created myself, resembling e-sfr charts, a smartphone and a MTF plot, how could I discover the smallest resolvable detail, dimension wise ? The problem with smartphones is that we don'...
0
votes
1answer
50 views

disappearing off to infinity

I want to take a picture showing something disappearing off to infinity, representing that by the subject getting blurry as it recedes. I thought a tall power pole was a good subject, but the best I ...
1
vote
2answers
39 views

What values to use for A2 paper size in Microsoft gpd file?

I hope this question could be answered here. I need to understand what values should be chosen for A2 size. Per this Franklin Heath article and this one at Microsoft Answers: A3 and A4 size are ...
0
votes
3answers
6k views

Nikon D3200 turning Flash off in P, S, A, M mode

My Nikon D3200 has a weird flash problem. I've tried all conventional methods with no luck. Symptoms: Flash never pops up in any mode. Whenever photo is taken with flash turned on it flashes with ...
20
votes
3answers
3k views

What are these black lines in the photograph?

I was trying to take pictures (Samsung Note 20, both front and back camera) of the beautiful lights in a cafe in Seoul (Humbolt Cafe, 325-17 Seongsu 2(i)-ga 1(il)-dong, Seongdong-gu, Seoul). But for ...
0
votes
0answers
22 views

Zoom in on an image without losing quality [duplicate]

Can i enlarge an image without losing quality? You know, like in cool movies people do. Like so:
0
votes
1answer
98 views

Can I continue shooting when film camera counter was reset to 1 after opening film door?

First off sorry for the bad terminology but I'm a newbie and would really appreciate some help - I've bought my first film camera, it is an Olympus MJU zoom 70 from an as-is sale and everything seemed ...
0
votes
1answer
88 views

Why can't my Nikon D7500 control a Nikon SB-900 attached to the hot shoe via the 'Flash Control mode (external)' menu?

I have Nikon D7500. Unfortunately, my flash SB 900 is not fully compatible with this camera. When the flash is attached to the camera the function "Flash Control mode (external)" will not ...
1
vote
2answers
2k views

Is there a simple way to create a time lapse video with Canon Powershot?

I have a Canon PowerShot SX 540 HS. Is there a simple way to create a time lapse video? I'm fine using an Android app for this if required.
1
vote
1answer
138 views

Why won't my Canon 400D/XTi turn on/off properly?

My camera is a Canon 400D (digital rebel XTi). It sat on a shelf for quite some time. When I insert a (newly charged) battery, the camera doesn't switch on. I get this screen: and switching the ...
0
votes
2answers
207 views

Post-process custom WB for full-spectrum photo?

Quite a noobie question. I did a conversion of Fujifilm s1000fd to a full spectrum camera and started to take pictures with a 590nm filter. When I set a custom white balance on the camera, discovered ...
4
votes
2answers
245 views

What should I look for in a swing-lens panoramic camera?

Which features should I look for in a swing-lens panoramic camera (also called short rotation or rotating lens cameras). Which features should I avoid? There are so many options, I found the following ...
0
votes
0answers
32 views

Posso pubblicare occhio senza consenso? [closed]

Nella foto si vede solo iride e pupilla c'è del riflesso . La domada è una persona secondo voi può essere riconosciuta? So che il viso senza consenso dell'interessato non può essere pubblicato .l'...
4
votes
1answer
149 views

Astrophotography in the age of Starlink; can “not a single image be taken that is not stricken” by a Starlink satellite?

In the Space SE question Are Starlink satellites flaring? there was a (now deleted) comment to the effect: I've given up astrophotography because not a single image can be taken that is not stricken ...
0
votes
1answer
648 views

Although I choose to auto-connect, Android Smartphone keeps refusing DSLR's wifi, as no internet found

The first time connecting my smartphone to DSLR's wifi, I get a message box stating that no internet access could be reached, and asking if I want to keep connection though. So, I just tap "yes, don't ...
7
votes
2answers
320 views

Umbrellas: what's the difference between white ones and silver ones?

I understand that golden reflective umbrellas are usefull to get warmer light. But, what's the difference between white reflective umbrellas and silver umbrellas? Do silver umbrellas also change the ...
2
votes
2answers
2k views

Sharing rating between Digikam and Rawtherapee

I've been using Rawtherapee for post processing for a short while, and, even though I've been able to adapt well my workflow to it, I've found that having to look through most of the photos I took ...
19
votes
4answers
6k views

Bokeh of the human eye - How does it look like & vary across apertures and individuals?

Precisely what does the bokeh of a human eye look like? How does it vary over different apertures and different individuals? As a near-sighted person, it is fairly easy for me to get some idea of ...
1
vote
2answers
56 views

Grayscale image so that the red text could not be differentiated [closed]

I have this screen capture and I want to edit this with photoshop or any other software you recommend: As you see there are two red colored texts and the remaining of the text is just normal black. I ...
17
votes
3answers
9k views

What were long, flat point and shoot film cameras called?

How do you call that kind of cameras like below? I am trying to find what was my first camera (brand/model) but my memory is weak. All I can remember is that it had the same shape than the one on the ...
24
votes
7answers
4k views

Why isn't the xvYCC color space seeing uptake for still photography?

For the last fifteen years, sRGB has been the primary standard for computer monitors (and for consumer-level printing). That's changing now, as wider-gamut LED-backlit monitors become common. Usually, ...
8
votes
8answers
277 views

Photo Competition 2021-05-24: In Deep Thought

Theme: In Deep Thought Capture a photo of a subject that demonstrates "deep thought", contemplation, intense musing, etc. The subject may be a person or animal, even an inanimate object, so ...
3
votes
3answers
18k views

How can I mount an EF-M lens on an EF-S camera?

How can I mount an EF-M lens (22mm, for example) on my Canon Rebel T4i EOS EF-S?
0
votes
2answers
169 views

Is ist possible to connect SLR or mirror-less cameras with Getac V110 directly (WLAN)?

I'm working within a project where we do a lot of field mapping. To map objects we use the GPS-enabled,fully rugged convertible notebook Getac V110 (see specs). To create and edit objects we use a ...
1
vote
1answer
279 views

Saving a isolate prop image with shadow to png

I'm shooting singular objects in studio and would like to save them isolated with their shadow information and a transparent background as a png. Is there a tutorial someone could point me to to do ...
2
votes
3answers
300 views

How do you reproduce this lighting setup

May you help me deconstructing the following image so I can learn how the lighting setup is done?
6
votes
1answer
633 views

Why does electronic first curtain shutter affect rendering of blurred backgrounds?

Many recent cameras allow using electronic first curtain shutter with mechanical second curtain, avoiding the huge rolling shutter drawbacks of fully electronic shutter and at the same time avoiding ...
15
votes
5answers
17k views

How can I convert an Apple iOS HEIF image into JPEG?

How can I convert an HEIF/HEIC image into a JPEG? Maybe using ImageMagick?
2
votes
1answer
188 views

Canon 6D Mark-ii + Kenko C-AF 1.4x Teleplus pro 300 + Kenko 1.4x teleplus HD shows Error

I have a Canon 6d mark-ii camera. However, the kenko lens are not working and yesterday, I tried to fix my camera with a friend. They had the same camera and lens but those are working with mark-ii ...
16
votes
5answers
2k views

What are the pros and cons of mechanical vs electronic shutter?

I recently bought a new camera that has a choice between using a mechanical shutter or an electronic shutter. (A Panasonic FZ300 if it matters.) I tried taking a few pictures each way and I see no ...
1
vote
0answers
95 views

Photoshop not opening with Camera Raw edits / changes applied

I am loading a number of photos (as DNG) from Adobe Bridge into Adobe Photoshop as layers so that I can later align them (for a timelapse project). When I select the photos in Bridge and then go to ...
0
votes
2answers
100 views

Why did I lose my NEF files, and could only find small JPEGs in their place in the Recycle Bin?

All of a sudden lots of my NEF files were gone. After finding them in the recycle bin they turned out to be NEF jpg. files... Yes, both! and only 72 dpi, sometimes not more then 88 kb. I have no idea ...
0
votes
2answers
74 views

Photoshop 22.3: Change photo perspective

I've stitched together a few screenshots using google street view and now I want to change the perspective of the photo. It's current view is from the street, I want to change the view as though your ...
3
votes
1answer
4k views

Why does my Nikon camera stop short of the selected number shots when interval shooting?

I have a Nikon D5300 and experimented shooting star trails but encountered a problem that I believe may be related to the Interval Timer setup. In order to take 99 30-second exposures I set the ...
3
votes
1answer
97 views

How to “save a session” in digikam?

I'm fairly new to digikam. (Previously I was using Shotwell to sift through thousands of photos from various sources to separate the wheat from the chaff, but now feel digikam might be better suited ...
3
votes
12answers
12k views

What Canon lenses do you suggest for wedding photography on a tight budget?

I am new to photography. I have Canon 1000d (with 18 -55 mm lens). My basic interest is wedding photography. I am planning to get a prime and a telephoto lens. So, my dilemma is: Should I go for ...
1
vote
3answers
2k views

Why can't I set 2nd Curtain Sync on my Canon 5D Mark IV?

I can't seem to set my camera to 2nd Curtain sync. The only options I get are 1st curtain and high speed sync. I have both the camera and speedlight on manual, and I've also tried the speedlight on ...
0
votes
3answers
300 views

Why are most smartphone cameras poor at capturing photos during the nighttime compared to DSLR cameras?

Phone cameras have come a long way since the 2000s in terms of megapixels however one glaringly obvious way in which they fail is their ability to capture photos in low-light conditions. I have a ...
1
vote
1answer
845 views

Why doesn't manual focus work with my Nikon D7200 and AF-S 300mm f/4 ED?

I have finally gotten myself a D7200 (2.017 & 1.04 firmware) and a 300mm f4/D AF-S (non VR version). My lens's serial number is 33xxxx. AF works, but manual focus does not work. I have tried ...
1
vote
2answers
96 views

How are focal lengths derived from camera calibration (resectioning) and pixel sensitive area related?

In camera calibration (camera resectioning process, e.g. camera calibration with OpenCV) does the result for focal lengths fx and fy depend on the photo-sensitive area inside the pixel ? If I have a ...
0
votes
1answer
37 views

How do I transform LP/pixel to LP/PH in MTF plot?

I'm working on computing MTF plots for smartphone camera. I've a working code in Python inspired by plenty of codes found online, MATLAB, Peter Burns and his sfrmat etc.. which computes the data from ...
1
vote
1answer
367 views

What should I do when my D3400 aperture is stuck no matter what lens I use?

I have a D3400 and recently I haven't been able to change the aperture on any of my lenses in manual mode. I have lenses with aperture rings and if I set the aperture to anything below the largest ...
3
votes
3answers
323 views

How can I do 4x5 rise/fall movements with super wide angle lenses?

I'm looking for super wide angle lenses, ideally 50mm and below. I'm only interested about decent rise/fall movements because I do mostly architecture, and I'd like to be very close to the subject. ...
4
votes
1answer
732 views

Can a bad lens contact cause false battery warnings?

I had a major problem with my Nikon D80 lately, in that after taking 1-2 pictures or just leaving it on for around half a minute, it would give me a battery warning before turning itself off. This ...
8
votes
3answers
14k views

How are 360° photos stored and processed?

While looking up 360° photos I found a lack of information about how the images actually work, I found some info suggesting that the images are stored as a regular jpeg but I was unable to find the ...

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