Napioa - Wind Origins

Napioa - Wind Origins
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Elements of a photograph that are generally undesirable or have a negative impact. Examples include noise, flare, dead or hot pixels, sensor "spots", reflections inside the camera/lens system, etc.

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2
votes
2answers
160 views

Why do white flowers always have a weird surrounding “glow”?

I have been trying to take pictures of dogwood blooms for a week now. I have the sharpness I want, but the flowers have a weird glow to them. The only post I could find about it is this one. Everyone ...
0
votes
2answers
110 views

What caused these red blotches on the black suit?

My first question. In several wedding photos the groom's black suit has red blotches on it in the photos. The shots were taken with a Canon 6D with a 70 - 200mm lens at 120mm, ISO 250, 1/400 sec., ...
0
votes
1answer
141 views

What is this shadow in my photo?

I'm pretty sure the subject didn't move, the shutter speed was ok @1/80s. I was using Canon 70D + 18-55mm IS STM and a built-in flash and shot in RAW. What it could be? What may be causing this?
-2
votes
1answer
119 views

Why is there a red overlay in my night photographs? [closed]

When I import my photographs I have taken at night, long exposures, it looks like get have a red overlay when I open them. I shoot with a Canon 50d and they look great on the display. This is a recent ...
2
votes
2answers
662 views

What is this bright squarish pattern that I'm getting in long exposure images?

I took few long exposures of the night sky yesterday. I know about the hot pixels those appear brighter with longer exposures but this seems to be something different. Can anybody tell what it is? ...
0
votes
2answers
63 views

Why do exported image contain colored grains/noise when viewed in GNOME Image Viewer?

I was editing a JPG image taken by Nikon D5300, a mid-range DSLR. Original picture was somewhat washed out. After some color-correction, I exported the image both in JPG and PNG format. Original ...
1
vote
1answer
140 views

What are the strange curved lines appearing on fabric in my apparel photos, and how can I remove them? [duplicate]

I ran a clothing photography shoot and encountered an issue in many photos. If you see this image, there are some curved lines all over the item. What are they and how could I remove them with ...
29
votes
2answers
5k views

Taken a picture of my monitor while spinning in circles - why is it distorted?

I just found a picture again I took years ago, and I'm wondering what's happened ever since then - I hope this is the right place to ask! I sat on my swivel chair and spun a few times, while taking ...
9
votes
4answers
724 views

How can I avoid circular banding artifacts in clear skies when de-noising?

I photograph in RAW, and convert using Darktable. Camera happens to be Nikon D40, 55-200mm lens. For a small number of photos, especially of clear blue skies, I cannot reduce noise without introducing ...
8
votes
2answers
195 views

Horizontal banding pattern near sun: sensor flare?

Following is a crop from a RAW shot, developed in Lightroom 5.7, into a setting sun from a Sony A77II – ISO 100, f/5, 1/20s, with a TTL fill flash. In the darker regions near the sun a series ...
3
votes
3answers
515 views

What are these spots in my pictures?

Been getting these bubble type things, never happened before (Kit lens - 18-55|camera d3200
1
vote
2answers
141 views

What caused this pattern of lines (moire?) in this picture I scanned from a book?

I have scanned this photo from a book that's printed with color ink, but the picture is a black and white one. When I scanned it with Vuescan as a color photograph I get vertical lines like I think ...
3
votes
2answers
135 views

What are the lines on a screen looked through the camera with varying ISO's?

I have Samsung Galaxy Grand Quattro and I was just experimenting with the camera when I saw lines on the screen. Well this was not the first time I saw them but when I varied the ISO(from Auto to ...
3
votes
1answer
285 views

What could cause this visible artifact which seems to a be a glowing inverse of something outside of the frame overlayed on this photograph?

An acquaintance recently posted an image to FB from his recent trip to the JFK Historic Site asking for an explanation of a visible artifact he states was not visible to the naked eye but was visible ...
0
votes
1answer
73 views

What causes these reddish spotty artifacts?

I'm just experimenting with a new lens. Here is an image I took tonight into the sun. I was trying to capture the rays. I was surprised by the spots that appear on the grass below where the sun is ...
0
votes
1answer
129 views

Why are there small dots on bokeh circles when I zoom in all the way?

I just took a photo with manual focus and blurred as much as I could a light, but instead of getting a uniform colour, there are dots, like dust : Do you know what's causing the darker dots?
1
vote
1answer
110 views

What are these artifacts I see in print?

I printed one of my photos, and I found it has some artifacts, such as horizontal lines running through the sky. This is most apparent above the pylon (to the right of the train). There's a horizontal ...
1
vote
1answer
71 views

What could be causing these lines and distortion?

I have a Sony DSC-W830 as a little budget camera for a trip, and I've had it for about a year now. Lately the images have begun to come out with some odd lines and what I could only describe as ...
5
votes
2answers
145 views

Time-varying artifacts in long exposure: is it the sensor?

I have just made my first attempt to photograph the International Space Station, and I clearly need to improve my technique. Here are the details: Body: Canon EOS-M (1) Lens: EF-M 55-200mm at 200m, ...
4
votes
3answers
991 views

How can I eliminate white glow/halos surrounding bright objects?

I recently took this picture and was frustrated by the white glow coming from the man's shirt. I realize it's a high contrast scene, but I don't understand the science behind why the shirt appears to ...
2
votes
1answer
156 views

What are these streaks in negative scans I got back from a lab?

I'm a beginner that's getting back into film photography after many years. I just received scans of my negatives and noticed some of them have streaking while others do not. I feel like this may have ...
3
votes
1answer
2k views

What could cause this white speck in a blue sky?

I took a photo during blue hour, and notice that there are some strange white speck on the blue sky. What is this and why it happens? Initially I thought it was dust, but usually dust will leave black ...
5
votes
1answer
290 views

Why am I am seeing rings (banding) instead of smooth graduation in my sunrise pictures?

Below is a screen capture crop from Potoshop of an unaltered raw photo from my full frame Canon 6D taken with the new Canon 16-35 f4 L at 16mm, ISO 100, f22. I am seeing rings where I am expecting a ...
2
votes
1answer
218 views

What is the cause of black bars on a photo of AMOLED display?

What is the cause of those black bars on the picture? Their orientation changes by moving the camera. The display is of a Samsung Galaxy S3 (i9300), an AMOLED display, set to minimum brightness, ...
1
vote
1answer
129 views

Can I fix the large pink mark which appears on all photos with light background from my Canon Powershot ELPH?

I have a Canon Powershot ELPH 300 HS. See the large pink smudge across the left? Is this a problem I can fix by cleaning the lenses and image sensor, or is this camera/sensor a dud?
3
votes
1answer
247 views

What causes this weird angled glowing blur around lights on my low light shots?

I've been trying to figure out why this is happening for a few weeks. When I take pictures, usually during evening times when the sun starts to set and the street lights come on, I see this weird ...
1
vote
1answer
1k views

Why do I get dark horizontal lines (stripes or bands) in bad lighting with my Fuji X-T1?

Can anyone explain why I get those lines when taking photos in a bad/weak lightning ? I attached some photos.
0
votes
1answer
168 views

What is this yellow mark I get on dark photos?

I'm using a Nikon D3200 - new to photography. Whenever I take photos of the night I always get this yellow mark in the same spot. I thought it could be a dirty lens so I cleaned it with a microfiber ...
2
votes
2answers
130 views

Is the weird red and yellow patch near the center of my photo chromatic aberration?

I found this weird red and yellow thing in this shot taken using an EOS Rebel 1200D and the lens that came with it. It looks surprisingly good; how can I control and replicate these effects?
4
votes
1answer
137 views

How much flare should I expect with a Hoya HMC Filter?

After I did some review comparison (especially this one) I bought a 67mm Hoya HMC filter. Then I took some comparison pictures. Do you think the flare is within the acceptable range?
2
votes
1answer
240 views

Why do I get white images with black vertical stripes?

Apparently my 3 year old Canon EOS 550D is fed up with my style of photography and decided to explore abstract arts instead. All it shows on the LCD and stores on the SD card is this: When I ...
1
vote
3answers
2k views

What is this black spot in images from my digital camera? [duplicate]

I've bought a used Panasonic Lumix DMC-ZX3, but the images show a dark spot near the center. It's more visible when zoomed in (first picture below), but it's also visible otherwise. It seems to be ...
6
votes
2answers
309 views

What is the cause of this unusual concentric blob defect (taken in below zero conditions)?

My brother took a number of pictures in the alps recently, and a few of these showed defects similar but not identical to the one below. The temperature was -14 C which doesn't seem unreasonably ...
3
votes
3answers
584 views

How can one correct intensity flicker due to AC line frequency?

Is there a good image processing method to get rid of the horizontal stripes in the images taken under fluorescent lighting? These stripes (flicker) occur when you take pictures indoors due to the 50 ...
2
votes
2answers
223 views

Why are there two thin vertical lines through all of my photos?

I have a recently purchased Nikon 5100. Since purchase there is a series of two lines (in the same place) in the frame that show up on the pictures. Any guesses as to what they are and how I can get ...
12
votes
6answers
2k views

How can I avoid green flare on my sunrise photos?

I took a series of sunrise photos. Once the sun actually came above the horizon, the brighter the sun became the more apparent and brighter a green flare (glare?) appeared. How can I avoid that? ...
0
votes
1answer
154 views

what are these strange artifacts on this photo? [duplicate]

what are these strange artifacts on this photo? how to avoid them? photo is shot with canon 1200d 50mm f1.8 4seconds shutter thank you
5
votes
1answer
463 views

What might cause horizontal artifacts in Lightroom after import?

I have some old photos on the SD card in my Sony A57. After importing into Lightroom, there are horizontal artifacts on most of the imported photos. This is a screen grab of Lightroom displaying one ...
1
vote
1answer
149 views

How to remove unwanted colors in picture? [duplicate]

I took product photos for my company and am currently editing them. However, some of the white parts of the shirt look a little odd zoomed out. When I zoom in, I see the following: I'd like to ...
1
vote
1answer
367 views

Why are there white outlines around the subject in this photo when zoomed in?

Please give me a solution to this if possible. Image showing white outlines when zoomed. Crop: Zoomed:
0
votes
2answers
113 views

Can a ghostlike image be caused by a overlap with previous frame on an SD card?

Is it possible for a secure digital card to have a ghostlike image on a different frame, ff you shoot digital cards and do not reformat them? Could a ghost image appear from a previous frame number if ...
1
vote
0answers
72 views

What causes weird, stripey corruption in overexposed areas on a mobile phone camera?

When shooting photos with my friends's mobile phone, overexposed areas get weird horizontal lines while well-exposed areas look fine. Sometimes it also has some moiré-like color patterns. What ...
26
votes
6answers
5k views

Why do photos of digital screens turn out the way they do? [duplicate]

When I take pictures of a screen at school or at my house, they turn out really weirdly. When blown up to 100%, they look fine, but when they get sized down, they look really weird, here is a ...
1
vote
3answers
117 views

What could have caused this splotch to appear?

amature photographer here. I recently took some photos of the area nearby where I am staying, and one of them caught my attention when going through them afterwards: Notice that gray splotch at the ...
3
votes
6answers
693 views

Is high Chromatic Abberation typical with the Pentax f/1.8 50mm lens?

I recently bought a Pentax K-50 in a set with two lenses (18-55 & 50-200) as well as a 50mm fixed focal length lens. The camera is great but I am extremly disappointed in the lenses. Two out of ...
3
votes
0answers
176 views

Why is there a grid pattern of darker pixels in this twilight sky flat field? [closed]

This is the first time that I'm really inspecting the calibration images we were taught to take/use during data reduction, and I've noticed something in all the flat fields. The image below clearly ...
2
votes
1answer
119 views

Why is there a vertical bar of brighter exposure when photographing lightning?

I recently took pictures of a lightning storm using my camera phone (Samsung Galaxy S3). In several of the shots where I managed to capture lightning, a lighter (brighter?) vertical section sometimes ...
8
votes
3answers
868 views

Why does this satellite image of an airplane in motion show red, green, and blue bands with strange artifacts?

I stumbled upon this satellite image (http://goo.gl/Wv503u) capturing a plane in flight over a city. I'm having a little trouble explaining the color effects caused by the aircraft motion. What I ...
0
votes
3answers
953 views

What is causing the bright flare on all of my images?

My new camera Canon 6D show this lensflare (raw or jpeg) in all the photos with this lens (Canon 50mm 1.8) or with the Samyang 16mm 2.8 (which I returned for judging what was defective). The lensflare ...
17
votes
2answers
1k views

Why do I see this yellow color shift at high ISOs and fast shutter speeds? [duplicate]

I recently purchased a full-frame DSLR with a reported highest ISO of 204,800. I’m intrigued by the possibilities of the high ISO range and how far Lightroom and Aperture (I use each of them) can ...