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2
votes
5answers
9k views

Fitting all pictures in a square canvas

I have a folder full of landscape and portrait oriented photos of a product (2000) and I need to fit all of them in square canvas. I know I could use Photoshop actions to do it in batch, but I do not ...
1
vote
1answer
24 views

How to insert a pause in Photoshop batch process?

I am editing photos with a batch process in Photoshop with autosave turned off. When I go through the photos, I cannot actually preview the changes because it closes too fast. Is there a way to tell ...
23
votes
3answers
8k views

Why can I see through this astronaut on the Apollo 11 footage?

I’m not sure if this is the correct place to put this but I’d assume it’s a photography thing. In this video When Aldrin is climbing down the ladder of the lander I can see the horizon through him. ...
1
vote
1answer
87 views

Which parameters to use with FFMPEG to rectify Mars Ingenuity helicopter images?

I know how to convert a fisheye image to equirectangular, to view it inside a 3D VR viewer as a "panorama": ffmpeg -i input.jpg -vf v360:fisheye:equirectangular:ih_fov=180:iv_fov=180:pitch=0 ...
1
vote
2answers
498 views

How can connect an Yongnuo YN 600 EX RT flash as master with an Yongnuo YN 560 IV as receiver mode

I want to connect my Yongnuo YN 600 EX RT flash so it works as master flash with an Yongnuo YN 560 IV flash as receiver.
11
votes
3answers
4k views

Is there any filter opposite to Polarizing filter, to emphasize reflections?

Polarizing filters are mainly used to reduce glare on water or similar surfaces. My question is, are there any filters that do the opposite job? ie that allow the camera to capture more glare or ...
11
votes
18answers
4k views

Photo Competition 2021-07-26: Surprise! (ONE week only)

Theme: Surprise! Any photo that will surprise the viewer. This theme was suggested by Caleb. Note: This contest will only run for ONE week. Voting Rules View the submissions sorted by active to give ...
154
votes
10answers
57k views

What is the “exposure triangle”?

What is the exposure triangle? How do the "sides" affect my photographs?
11
votes
9answers
7k views

Where can I get 4x5″, 5x7″, or 8x10″ color sheet film (or other hard-to-find exotic film) processed?

Where can I get XYZ exotic film processed? See below! Background: I've got a 4x5" view camera, and I'd like to shoot some color negatives on it, for printing in a color darkroom that I currently ...
3
votes
1answer
137 views

What filter size for Pentax 100SDUF telescope?

I am looking to use a Pentax 100SDUF telescope as a long focal length lens. I would like to protect the front element with a clear filter. There are no markings on the lens as to the size of filter ...
10
votes
6answers
4k views

Has anyone successfully restored or revived a completely discharged Profoto B2 Lithium Ion Battery?

I purchased a Profoto B2 250 Air TTL Location Kit which comes with two lithium ion batteries. Unfortunately, other than testing it when I got it, I never really needed to use the second battery as my ...
6
votes
4answers
5k views

What's the use of exposure bracketing in film cameras?

In DSLRs, exposure bracketing can be used to achieve higher dynamic range in post, but what's the use of it in film cameras? Is it practical to blend 3 different exposures (negatives) in the darkroom?
2
votes
1answer
283 views

How to process 360 photos without creating seam?

I shoot 360 photos with a 360 camera that takes the entire scene with two wide-angle lenses that are stitched together to obtain 360 panoramas. I use Rawtherapee for post-processing and colour ...
0
votes
3answers
120 views

Please confirm whether the Canon 430EX can be used as off camera flash with the Canon EOS 1300d

Please confirm whether the Canon 430EX can be used as off camera flash with the Canon EOS 1300d. I have been searching online and asked different Facebook groups (which non of them answered to my ...
0
votes
1answer
58 views
+200

Kodak pneumatic self timer gasket replacement?

The gasket on the speed control mechanism needs replacement because there are only two speeds possible. Too fast when the control is tight. Too slow if it is loosened a bit. What materials will work ...
3
votes
3answers
709 views

When shooting RAW + JPEG , is there a way to delete the raw files without deleting the corresponding JPEG, without having to hook it up to PC/laptop?

I am using a Nikon D5600, and many times i am shooting in situations where i do not have a laptop/pc handy. I want to be able to see in camera all the photos i have taken. This needs JPEG as, all RAW ...
0
votes
0answers
41 views

resetting windows 10 thumbnails to work in July 2021 on a HP computer? [migrated]

How to get the thumbnails reset on windows 10 forever so that I can see the photos in explorer? What is the physics of thumbnails, and what gives with the file explorer attributes anyway? What nerdy ...
2
votes
2answers
262 views

Can I trigger the Yongnuo YN-600EX RT Il with the YN-622C?

I own a YN656EXIII that I trigger with a YN622C. I'm interested in adding two YN-600EX RT II to my kit. I was expecting to be able to use the following setup: One YN622C on my camera. One YN622c on ...
4
votes
2answers
86 views

How can I transfer photos over SnapBridge that are taken after the 9999th photo?

I have a Nikon Coolpix B500 camera. I have reached 9999 photos in my camera gallery, however I can take more photos without a problem. When I look the photos taken after the 9999th photo, they're in ...
3
votes
1answer
11k views

Can a Canon 7D's serial number tell us the manufacturing date?

I have a Canon 7D and have located the serial number, how can I checked the manufacture date?
4
votes
3answers
377 views

How to quickly change white balance on Nikon D5600 in aperture priority mode?

On my old camera, Nikon D50, you would press WB and rotate the wheel. I now bought Nikon D5600 and am testing it out. I need to take picture of something where the auto WB does not cut it. Is there an ...
7
votes
8answers
31k views

Are any ultra-wide angle digital point and shoot cameras made?

Are any ultra-wide angle digital point and shoot cameras made? By ulta-wide angle I mean anything under 24mm equivalent, although ideally I'd be after something around 12mm. I'd prefer something ...
1
vote
5answers
747 views

Do short focal length macro lenses have wider field of view at the same magnification?

I am considering moving to a shorter macro lens for it's better optics- Nikkor 40mm micro. I currently own a 70mm Macro lens. At the same magnification(eg 1:3), does the 40mm grant a greater field of ...
8
votes
4answers
8k views

How can I make my own coatings for handmade paper for inkjet printing?

Does anyone here have any experience with coating paper for printing using pigment-based inks? I am looking at making handmade paper, and I would like to prepare it for printing photographs on my ...
2
votes
1answer
97 views

Canon700D: Could I take a milky way with this camera?

I'm using canon 700D at the present along with 18-55mm kit lens. I wonder that could I take a milky way picture with this camera?
1
vote
1answer
46 views

DigiKam vs. LibRaw command Output Discrepancy

Recently I have stumbled upon digiKam software which internally uses LibRaw library as a raw conversion engine. I have tried to convert one of the images I have using digiKam with all conversion ...
1
vote
1answer
172 views

Is there any camera safety precautions i should keep in mind when taking long exposure photographs of the night sky?

I plan to take long exposure photos of the night sky, anywhere between 1-2 mins to 8-10 mins ( i will figure out the exact time through trial and error ). Is there any specific precautions i should ...
2
votes
3answers
1k views

How to sort photos by time, while ignoring date?

I'm an ecologist working with trail camera data. I have about 1 million images taken over a period of several months from multiple cameras that I need to sort through for pictures of animals, but ...
6
votes
1answer
180 views

Restoration of a corrupted JPEG file

I wonder if there is any way to restore corrupted JPEG files in my situation. Duting copying of files from camera SDD card I had some kind of problem/mistake with few files, but I was able to repeat ...
1
vote
1answer
170 views

How can I compare histograms between a digital image and it’s print

I want to compare color histograms between a digital photo and its physically printed in cloth (like a T-shirt) version. The process is simple: Printing a digital image (with good resolution) in a T-...
1
vote
0answers
47 views

online image focus detection or app

I am wondering if anyone knows of an online image focus detector programme that will detect that the image is in focus without having to painstakingly go through and printing all images. I have ...
1
vote
1answer
132 views

How to emulate sRGB on wider gamut or buy only sRGB monitor?

My Dell U2520D display shows magenta cast on a standard mode on both windows and mac. I think I am aware now that even if I use RGB ICC profile with this wider gamut display it will still look ...
2
votes
2answers
182 views

Is it possible to focus on a fixed distance for self portrait using Point and Shoot camera for a decent photo?

I have Nikon B500 point and shoot camera. I have tripod too. It's pretty nice camera if you have to take photos of others. But I want to take self portraits. There's no other person available to take ...
1
vote
0answers
64 views

Simplistic location scouting app for iPhone

I travel a lot and from time to time I discover locations or just a single motives that I potentially want to revisit with my photography equipment. So I would like to take some pictures with my ...
0
votes
2answers
95 views

why my image (exported as sRGB, 8bit) looks color washed and pixeled after instagram upload

I uploaded this images on Instagram using color space sRGB, 8 bit (as recommended) . Size: long edge: 2160 px. The original images wasn't this color pixaleted (notice faint magenta bar running from ...
0
votes
0answers
48 views

Best budget wide-angle FX lens for Nikon F-mount [closed]

What is, in your opinion, the best wide-angle (not fisheye) FX lens? I'd prefer prime one, but it's not hard criterium for me. I want best possible image quality and price below $500 used. I like ...
1
vote
2answers
174 views

Vintage lenses and teleconverter. Vintage TC native to lens or adapt lens to modern TC?

I own a fair amount of vintage lenses. Some of them I use on a crop body (a6000), with or without a focal reducer. I also use them adapted to full frame (a7). I love them on their native bodies, but ...
16
votes
5answers
4k views

Do I have to shoot a whole film roll on the same ISO?

I am new to film photography and I really don’t get it. Say I am shooting a roll of film, the box says ISO 400, do I have to shoot the whole roll on that ISO? I have shot a whole roll changing the ISO ...
10
votes
4answers
3k views

I'll be doing a gallery show, any advice on how to price my photos?

I'll be doing a gallery show in the spring at my university, any advice on how to price my photos? I am not a photography major, so I don't have any resources for advice on things like this. I am so ...
2
votes
6answers
183 views

How do I calculate f/stop change for teleconverter that increases lens magnification?

I'm trying to calculate the f/stop change of attaching a x2 teleconverter to a 80mm f/2.8 lens. In this instance, the teleconverter attaches to the front of the lens, and has a larger opening than the ...
2
votes
3answers
119 views

Can the Spatial Distortion of Wide-Angle Photographs Be Reversed?

I’ve been window-shopping online for a house recently and find that almost all the pictures posted by real estate agents are wide-angle shots, sometimes extremely so. That got me wondering if there's ...
0
votes
0answers
23 views

How to quickly create slides with text to insert in videos? [closed]

I use openshot to quickly put together clips into one video. At the beginning of every clip, I put an image with text. I'm looking for a fast and efficient method or a tool to create consistently such ...
2
votes
8answers
339 views

Is deep depth of field AND bright exposure possible?

I know that a larger aperture corresponds to a brighter exposure and shallower depth of field for a given focal length. Is it optically possible for a custom-built camera to form an image with both a ...
35
votes
7answers
21k views

Is there any practical difference between saving at 300ppi or 72ppi?

I often see statements in discussions about web displayed image quality that go something like this: "I only upload pictures at 72 dpi and 1200 pixels on the long edge, so if someone copies and prints ...
2
votes
1answer
205 views

Is there a way to get rid of this glowing effect?

I'm trying to figure out how to get rid of the glow around the tree in the bottom right. I've gotten as far as thinking it's some form of luminosity due to reflections at ground level (this is in my ...
4
votes
1answer
1k views

Is Magic Lantern giving incorrect shutter counts on my Canon 500D?

I bought a new camera (500D) and have had it for about 4 days. I have installed the latest version of Magic Lantern on it to get a little boost, but when I got into shutter count it gives me 14k (...
1
vote
1answer
142 views

How (the heck) did NASA photographer Joel Kowsky take this amazing photograph of the International Space Station transiting the Sun?

The NASA Image Feature Space Station Transits the Sun shows seven shadows of the ISS transiting the face of the Sun. In order to discuss the technical aspects of the process I've cropped bits of the ...
3
votes
1answer
432 views

WIll an Olympus TCON-17X teleconverter work on a Fujifilm X100 series camera?

The X100 has a 49mm thread via a AR-X100 adapter. The Olympus TCON-17X has 55mm threads, so the connection should be no problem. Has anyone tried it?
4
votes
1answer
196 views

Why do these images have a dark semi-circle on the left side?

I shot these images with my Sigma 24-70 and Sony A7iii, in fog, sometimes pointed into the "sun" (it was not actually sunny but sometimes the lens was pointed towards the direction of the ...
1
vote
2answers
307 views

Which actions in the camera menu/settings change the focus and which do not?

Allow me to explain the question which might seem slightly vague. One particular use case where i generally face this question is when i am shooting something during nighttime, dark conditions. In ...

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