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Sony A7C resets my selected custom dial settings after power off

When I use aperture priority, I would like to use the top dial (Control Dial) for aperture and the back dial (Control Wheel) for ISO settings. "My Dial Settings" as below 1 2 3 Control ...
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2 votes
2 answers
94 views

Does small sensor/pixel has an upper limit of dynamic range?

It is from a friend that I heard: Cellphone cameras, due to their small sensor size, can have at most 11 stops of dynamic range (I did not ask too much about where that came from or what source is ...
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1 vote
1 answer
89 views

How to remove the Spreaded light?

I have a picture that blub light is (i don't know what to you this thing) is spreaded as you can see in the image. So how can i remove those spreaded light? Full picture is in the link. https://...
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0 votes
3 answers
109 views

Subjects not focused when they are too far away

I recently bought a Nikkor 200-500 f/5.6 lens. I've been trying it out with several kinds of subjects and results have been a little mixed. When the subjects are close the focus is sharp. This bird ...
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  • 335
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0 answers
127 views

Recreate this lens specification

So my Samsung note 10 details say this about their telephoto lens 12 MP, f/2.1, 52mm (telephoto), 1/3.6", 1.0µm, PDAF, OIS, 2x optical zoom. I tried using it to see through my peephole which has ...
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1 vote
1 answer
114 views

Shooting small birds against a light sky

I was trying to shoot a small bird (black wings and back with white belly) against the sky which was overcast. The image was properly exposed but the colours were desaturated. Lens Nikon 200-500 1/500,...
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3 votes
3 answers
399 views

How does subject distance get calculated if you shoot using a mirror?

Let's say I am at a gym and need to take a photograph of myself. I can hold out my hand with my D80 to take a picture of myself but the perspective compression would make my face look like Mr. big ...
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0 answers
34 views

Was there a Canon lens correction tool that output the lens corrected raw files for a folder of pictures?

The canon raw photo file was not lens corrected, such as the discussion in this post.(Canon DSLR Lens Correction) However, some photo editing software could not apply the lens correction itself. Was ...
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0 answers
23 views

Nikon d3200 Error. Press shutter release button again loop

I can fix the error itself by removing the lens and fixing whats stuck but everytime i click the 'Lv' icon the error keeps reoccuring anyways. I have no problem fixing the error but its not very ...
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  • 1
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0 answers
18 views

My tt520 ii flash won’t fire off camera, the trigger and the flash don’t talk to eachother

I’ve done lots of researches and watch some YouTube videos but still won’t work. It’s on the Manual mood. I don’t understand why, i thought it was my trigger battery is dead so i replaced it but ...
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0 votes
1 answer
70 views

How Do I Research An Overhead Scanner versus a Camera

The Question(s) I need to know how to do my own research when evaluating various overhead scanners against each other at various prices and evaluating various cameras against each other at various ...
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1 vote
2 answers
81 views

Can my Canon EOS 5D Classic work with a Vivitar lens?

Will a Vivitar 75-205mm 1:3.8 lens work with the Canon EOS 5D Classic? What mount lenses can I use for my camera?
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  • 11
0 votes
2 answers
41 views

I keep slightly missing focus in Live View. Is there a way to recalibrate it so it matches viewfinder focus?

[I have a Nikon D5600, but I'm sure any answers and talking points will be relevant to other brands too.] When using Live View to focus, I've noticed that I often slightly miss focus. I've heard the ...
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1 vote
1 answer
233 views

How to designate a photo as non-fiction

Sometimes a big part of what makes a photo interesting isn't the image itself, but what it tells us about something that exists or that happened in the world. As an extreme example, I would be ...
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  • 249
0 votes
0 answers
26 views

Export out of Order Update LR CC 5.4

Lightroom, having updated to 5.4, exports my albums in with a random photo order. I can't find a setting to change this. Is there a workaround available? Or can this be fixed somehow? Thanks. Windows ...
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  • 1
0 votes
2 answers
227 views

Putting telephoto lens on top of an OEM lens?

I want to use something like a Wyze Cam v3. Many users have removed the original lens and put on a telephoto lens. I dont want to remove the OEM lens. Can I put a telephoto lens on top of the original?...
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0 votes
1 answer
99 views

What kind of artifacts am I looking at and how can I differentiate between those and stars

I like this picture of the Pacific Ocean, taken from the ISS. It seems as if I can see stars in the background, but similar dots are visible in the ocean. I presume some kind of artifacts? What am I ...
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  • 103
0 votes
4 answers
133 views

Is My Entire Roll Ruined?

I'm fairly new to photography on an actual film camera. I went ahead and bought a Kodak Ultra F9. I'm sure this gets asked a lot but on the first roll I had accidentally hit the rewind button and ...
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1 vote
3 answers
143 views

Compensating For Low Light Conditions

As a photography newbie, I am hoping to use a book stand and dslr camera for occasionally scanning a few pages out of a Math book. Expected distance from camera to page will probably be about 18 ...
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5 votes
3 answers
115 views

Which filters would be useful for long exposure photography?

I'm a beginner hobbyist who wants to take long exposure shots of lightning, fireworks, the beach, etc., during both daytime and night time. I would also love to take shots like this. So basically ...
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  • 83
1 vote
2 answers
628 views

Easy tool to correct geometry of photographed document

I know there is already an answer to this question on either photo.SE or something about imaging SE but after trying gazillions of search terms and word combinations until exasperation (and of course ...
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0 votes
1 answer
41 views

Godox AD200 Pro will not fire with wireless trigger

I have several Godox flashes, 2 AD400, and I've just added a third AD200 Pro. I've setup the wireless channel to match the XPro, and ensured the selected AD200 group is active on the transmitter. I'...
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  • 1
0 votes
1 answer
73 views

Purpose of the "extender" pins in the Canon EF mount?

The Canon EF mount has 3+5 or 3+8 contact pads. The linked Wikipedia article says that the additional 3 pads are used to identify converters/extenders. However: None of my two Canon bodies (70D and ...
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  • 16.7k
-3 votes
1 answer
182 views

Suspicious binoculars

I was thinking to buy some general purpose high magnification binocs, to look at the moon or sunsets and stuff. I have not any professinal or even hobbyist knowledge of photography. I read that when a ...
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3 votes
6 answers
514 views

How can I ensure that a lens is pointing absolutely vertically downwards?

My uncle makes models of all sorts of things. To help him, he uses his camera(s) as scanners by photographing his various bits, and then performing further CAD on the resultant images. These models ...
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  • 1,012
1 vote
1 answer
97 views

Is there any data or theory about human visual system to identify details under noise?

For one clean image, one person can identify every details at first. Then white Gaussian noise is added to the image. With low noise level, one person can still identify every details even though ...
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0 votes
3 answers
104 views

How can I avoid grid noise / read noise

I have read a bit about this subject (Read Noise) and to be honest I rather shoot at ISO 100 for the finest detail and maintain the scene as I see it. Example .. I shot a fishing pier after sunset ...
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  • 1
6 votes
2 answers
2k views

How can I improve my photo of a night city landscape with a starry sky?

I like taking city photographs, like monuments or squares, with a starry sky. Since the square/monument is usually well illuminated, I take advantage of HDR with a short exposure for the illuminated ...
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  • 161
1 vote
3 answers
172 views

Can I lock the mirror up indefinitely without damaging my DSLR?

Are there any issues I might experience if I leave the mirror up on my DSLR camera for a long time? My use mode would be "live view" mode connected to AC power, and using the HDMI output of ...
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  • 761
0 votes
1 answer
67 views

Canon 5D Mk 4 with a Battery Communication Error

I have a Canon 5D Mk 4 with a Battery Communication Error. On switch on an error message appears checking that you are using a genuine Canon battery, which I am, and I have also bought a new genuine ...
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0 votes
1 answer
198 views

FOV on an APS-C and Full frame 'lens' [duplicate]

So this is a question about aps-c and full frame 'lenses' and not sensor format. My sensor here is constant - a Canon APS-C. This might be an already answered question but I couldn't find any that ...
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  • 3
1 vote
3 answers
76 views

Softbox color cast

I have some continuous light softboxes I bought for food photography. Later, I bought another Godox LED softbox to supplement/use as a key light. I still use the old softboxes as fill. The problem now ...
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0 votes
5 answers
131 views

What happen to the digital image if I capture it without using any color filter arrays?

I understand Bayer filter is a type of color filter array used in digital cameras to create a color image. What happen to the digital image if I capture it without using any color filter arrays?
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1 vote
3 answers
92 views

How to separate the RGB colour space to only N colours?

In a JPEG image, we may have thousands of distinct RGB values. What is the process called of translating these numerous RGB values to just N distinct colour names/values? (I'd like to know the name ...
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1 vote
0 answers
69 views

Beginning photographer wants advice on how to shoot Alaskan Cruise glaciers and wildlife [closed]

I have a Rebel T3i with Canon zoom lens EF-S 18-55 mm lens 1:3.5-5.6 IS ll and a Canon EF-S55-250 mm f/4-5.6 IS STM lens. I would appreciate any advice on how to get clear photos and video on our ...
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0 votes
0 answers
54 views

Batch crop many images to certain ratio

I have over 2000 picture of various subjects and artworks that I want to crop to certain ratio depending on the closest defined aspect ratio. The ratios I need are 1:1 and 7:5 and 1:3 They can be both ...
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0 votes
0 answers
51 views

Epson negatives scan error

I have an Epson V330 scanner, after long time sitting unused I took it to scan a few negatives. First few scans were okay but then strange stripes appeared, sometimes stripes goes all over negative, ...
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  • 1
2 votes
3 answers
217 views

Should rotated photos align with the outer edge of an album or the right edge of the page?

I am preparing my photos to put into a physical album. The album is 20cm wide and 25.4cm high; I will print the photos and stick them into the album (rather than print the album). Most of the photos ...
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1 vote
4 answers
150 views

Why does my developed 35mm film have stripes of light on the photos?

I'm a relatively new user of film, getting back into it after a few years. I've had the first B&W 35mm film developed and there are vertical stripes of light on lots of the photos - often in the ...
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  • 11
1 vote
0 answers
37 views

How to choose a SLR camera for Comic-Con? [closed]

Please recommend a Comic-Con SLR camera and lens that can be used to shoot both models/People and small GARAGE KIT,As for the budget, please recommend both professional and intermediate levels.
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0 votes
1 answer
30 views

Flash release hook doing click click click

My canon eos1200D was working ok till suddenly it stopped showing display. People suggested to take off the SD CARD and BATTERY for some time. This was done. Now any activity on my part, be it ...
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0 votes
1 answer
20 views

SB60 flash tight in Stitz hotshoe

My Nikon SB60 is tight in the vintage Stitz hotshoe. It is almost impossible to remove despite the lockingpin being held clear using the flash locking lever. I would like to use a coldshoe adapter to ...
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2 votes
3 answers
126 views

pixels for uploading photos to web

i am currently using picasa 3 for editing my photos and uploading them to ebay. ebay currently tells me that the pix need to be 500 pixels on the longest side and that i can't use the ones i have. i ...
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0 votes
1 answer
209 views

Why is the resolution of a photo not equal to the camera's default resolution

I downloaded the photos from the Internet,these photos have exif, but the resolution of the photos is inconsistent with the resolution of the camera data(like data of dpreview).Let's take an example ...
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0 votes
1 answer
87 views

What does pixel width mean in the context of calculating camera placement distance?

I am setting up cameras for an experiment filming animals. In a experimental protocol paper that I'm following, it states that: Based on a pinhole camera model, the bound x_min on the pixel span of ...
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0 votes
1 answer
39 views

Exiftool renames using tags that may not exist?

I have a camera that uses a SequenceNumber tag. I have another camera that uses a FileNumber tag. Both of these tags essentially give a file a unique number when multiple shots are captured in a burst....
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  • 11
0 votes
0 answers
35 views

How to keep background color consistent when shooting different colored objects? [duplicate]

I am attempting to take quality product photos for my eBay business, and can't seem to get my background color and exposure to stay consistent across all different colors of items. At first I was ...
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0 votes
1 answer
43 views

Why are source colors out-of-gamut in generated custom ICC printer profile?

Thank you for your potential interest, I hope someone can please help me. Apologies in advance for the long post. TL;DR : why are source colors that are known to be printable excluded from the ...
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4 votes
4 answers
975 views

How to understand zoom information

I'd like to understand how to determine how powerful zoom is going to be in particular cameras/lenses based on provided information. What is the best way to do this? I understand the zoom factor (e.g. ...
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  • 43
1 vote
1 answer
82 views

How to remove wave stripes on a scanned photograph?

I have scanned some old pictures. The uneven surface resulted in white wave-shaped stripes in the scan. Is there any way I can remove them in Gimp (pretty inexperienced user) or other free tool? Any ...
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