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2
votes
1answer
255 views

What are the benefits of CR2?

Once friend made few photos for me. Park, people have rest. Friend gave me photos. Every photo was in two formats - TIFF and CR2. TIFFs I use for editing, storage. From TIFFs I make JPEGs for blog. ...
1
vote
1answer
88 views

How Schlieren Photography can be done using mobile camera?

Can we do Schlieren Photography using good mobile phone camera (13-20 MP)? If yes how or can we do this photography only using professional digital camera? Schlieren Photography
2
votes
1answer
174 views

What are the benefits of LZW compression for TIFFs?

I have few photos - JPEGs from smartphone, RGB, 8 bit per channel. Nature, landscapes. I want to edit them. Before editing I will convert JPEGs to TIFFs. I will use TIFF, RGB, 8 bit per channel. ...
0
votes
0answers
53 views

Filters or processes for restoring 1960s and 1970s photos?

We have a bunch of color photos and slides from the 1960s and 1970s. They have those very distinctive color characteristics of photos from that era. Is there a filter or process for updating these ...
0
votes
0answers
82 views

Low resolution while saving the photos from Sony Play Memories Home

I am converting the photos from .AWR format (Shot on Sony A6100) to .JPEG using Sony Play Memories Home(PMH). The resolution of photos in .AWR format is 6000 x 4000. However, while saving it to JPEG ...
1
vote
1answer
128 views

Given the provided Image taken at 50mm, what focal length would I need to get the 80% fo the rabbit to fill the frame?

Given the provided Image taken at 50mm, what focal length would I need to get the 80% fo the rabbit to fill the frame?
2
votes
1answer
25 views

Can multiple versions of virtual edits be stored in the same .XMP sidecar file?

Can multiple versions of virtual edits be stored in the same .XMP sidecar file, or is a separate .XMP sidecar required for each different set of virtual edits? I know one can create "virtual copies" ...
2
votes
2answers
62 views

An older Canon AT-1, is there any special cleaning kits or products that are recommended?

I am looking to clean up the body, lenses and the inner part of the camera. Does it matter if the camera is older for which products I use to clean it?
4
votes
1answer
54 views

Fixing Minolta Sr-1 stuck release button

Just bought a Minolta Sr-1. I was taking some photos until I advanced the lever but the button wouldn't release the shutter. I opened up the bottom and couldn't seem to figure out what was the problem ...
2
votes
1answer
37 views

Collodion / Wet Plate: Why do I get milky or foggy results?

When I'm ending up with milky and foggy looking plates, have I developed it to long? I've noticed on one part, that didn't catch enough developer, that this area seemed to be fine. Maybe the reason is ...
0
votes
3answers
84 views

Which color model to use while editing photos? RGB? Or some else?

I want to shoot few photos using smartphone. Nature, landscapes. From smartphone I will receive JPEGs, RGB. I will trasfer them to computer. Next step I will convert them to TIFFs. Next step I will ...
0
votes
5answers
399 views

EOS 250D the aperture changing only when picture is taken

I have yongnuo 50mm f1.8 lens In Av Mode When I m changing the fstop the diaphragm blades remains fully open and depth of field doesn't change I have looked to user Guide and find that I can assign ...
1
vote
1answer
61 views

Where are saturation, hue and intensity images? [closed]

The attached article talks about hue,saturation and intensity images. Where is each of them in fig6.25 ?
2
votes
2answers
155 views

Nikon D610 error after each shot

I have a Nikon D610 which worked just fine for many years. It has only 15K clicks. When I turn the camera on there is no problem until I take a shot. The picture comes out just fine but after I took a ...
2
votes
2answers
47 views

What is the effect of relative size of light source vs diffusion on the quality of light?

I have used large softboxes for my portraiture quite a while with good success. However, I come across the topic of diffusion vs size of the light source quite often. While I know, that the relative ...
0
votes
2answers
119 views

What PPI I need to set for photos to avoid pixelated, jagged edges on paper?

I want to shoot a few photos using the smartphone. I will receive JPEG files with a pixel density of 72 ppi. I will then move these photos to my computer and convert them from JPEG to TIFF (using GIMP,...
1
vote
1answer
137 views

How to mathematically crop photo from one camera to match view of another?

Imagine I take a photo of the same scene using two cameras, one right after the other, from the exact same spot. The cameras may be different in every way possible. They could have very different ...
0
votes
2answers
80 views

Does the loss of quality of jpeg files occur in each copy?

Does copying jpeg files reduce the quality of their files at any given time, and eventually make small changes to the size of the copied files compared to the original file ?
0
votes
2answers
72 views

How are these photos got same color flavor and look so similar?

I'm trying to understand, how all these photos got the same color flavor. The main problem i see - they are all shooten under very different light circumstances - like inside of a flat and on the ...
0
votes
3answers
108 views

Focal length needed to photograph card table

I am attempting to photograph a square card table 35 inches on each side, including some breathing room. I am using a Panasonic G6 with 14-24mm kit lens, at 14mm. On line calculators indicate that ...
0
votes
1answer
58 views

Open source licenses for sharing photographs (in the context of a research project)

Context Just a little bit of context here; I'm involved in a small research project where we want to collect images from citizen using a mobile application. These photographs are technical outdoor ...
1
vote
2answers
49 views

Reduce image sharpness and DPI [closed]

Why does the sharpness of the imag decrease when I increase the DPI of an image?
0
votes
3answers
215 views

Any cameras on the market that can be controlled via USB and open API

Hi I am curious about any cameras (mirrorless or similar) or camcorders on the market that can be controlled programatically via an API of some kind, ideally over USB, though I would be interested in ...
1
vote
1answer
50 views

Forcing shot of night sky [duplicate]

I want shots of the night sky with my Nikon D5600. Even in bulb mode and on manuel, and on a tripod, I can’t get the shutter to open. I just get that annoying “subject is too dark” message! I set ...
0
votes
2answers
30 views

Zomei z669 compatability to Acra-swiss connection

I have Sony a6500 camera and I had like to buy the following: 1) L bracket 2) Zomei z669 tripod The L bracket is Acra-swiss connection however I cant find if the Zomei z669 supports it. If someone ...
1
vote
0answers
38 views

Unable to get longer duration 4k video with FuliFilm XT2 and VPG-XT2 vertical power grip [closed]

I have and Fuji XT-2 with vertical power grip which is said to increase 4k video recording duration from 10 to 29 or 30 minutes. I am unable to achieve this. I have genuine batteries in good order. ...
3
votes
2answers
123 views

Poorly scanned or poorly shot film roll?

Edit: Here are samples of the negatives.. 29, 32, and 33 were the photos I showed I'm hoping I could have some input on what exactly went wrong with this Portra 400 35mm roll of film. I've been ...
1
vote
0answers
27 views

How can I solve the problem of Canon PowerShot SX230 HS’s monitor?

I have a Canon PowerShot SX230 HS. It works very well, but after a while, the monitor displays everything in yellow. Would you please educate me on how I can solve this problem?
0
votes
1answer
24 views

Photoshop 'Lighting effects' filter and 'Blur' filter - overlay circles and lines are not visible

could you please help me regarding photoshop. When I go to filter - blur - I can not see the lines overaly, how can I get it back.
3
votes
1answer
66 views

Counteract strong blue light emission from a cheap LED

First of all let me tell you that I'm a real newbie in photography, I know basically nothing. I'm trying to digitize our family slides. Just to be sure we're all talking about the same thing, I'm ...
5
votes
5answers
107 views

White balance color space [duplicate]

How were the colors for white balance chosen? Why is it specifically temperature going from blue to yellow and tint going from violet to green?
1
vote
1answer
24 views

Is Kodak Flexicolor SM (C-41SM) Tank Final Rinse a good stabilizer?

After some difficulty, I managed to obtain a 1L CS-41 development kit from Cinestill. Unfortunately, since it is a power kit the stabilizer packet is not included in it. My previous kit from Unicolor ...
10
votes
5answers
4k views

Do more megapixels mean sharper images?

Do more megapixels mean sharper images? Would a 24 MP camera produce a sharper image than an 18 MP one (given the same lens, settings and scene)?
0
votes
1answer
128 views

Using a modern lens (with electronics) manually?

Long story short: What I have: Panasonic GH4 Endless 3D printing options for making my own adapters Very, very nice japanese retro prime lens from almost 50 years ago (yeah, it really looks ...
6
votes
3answers
223 views

What is this style of photography called?

I am trying to learn a specific type of photography and am having a difficult time finding out the name for it. What I am most interested in, is a specific niche of high focus, minimalist, black ...
0
votes
0answers
57 views

Using Yongnuo YN622C II with canon 580ex speedlight

Newbie here, so please go easy. I am trying to get my 580ex to work with these triggers. I understand that this flash has to be changed and adjusted on the flash (not through camera menu). When I get ...
2
votes
0answers
39 views

Software for detecting orange dates on 4x6" photo prints and adding to metadata

Is there any software that will detect (e.g., OCR) the orange date timestamps burned into 4x6" snapshot prints and automatically add the date EXIF metadata? Would be interested in options either baked ...
1
vote
4answers
139 views

What non-AF, old lenses are adaptable to my EOS 550D EF-S mount? [duplicate]

I have a Canon EOS 550D and would like to use old, cheap but good lenses on it. I don't care about autofocus for this and am aware that there will be a cropping effect (therefore mainly looking for 24-...
0
votes
3answers
70 views

Zomei z669 for panoramic stitching

I would like to take wide pictures however I have only a 18mm lens. I thought instead of spending lots of money on a wide-angle lens, just to stitch into panorama with Lr/Ps afterwards. I thought to ...
2
votes
1answer
76 views

How to apply identical color curves to many pictures in GIMP?

I have a few thousand images that I want to apply the exact same color curve adjustment to. Is there a way to do this in GIMP? I found this How can I get a uniform white balance on a batch of JPEG ...
1
vote
1answer
31 views

Program that can apply calibration frames to individual subs - Astrophotography

With Deepskystacker or similar programs it's easy to add calibration frames which are applied to the final output image after stacking all your subs, however I would like to apply them to each sub to ...
0
votes
2answers
63 views

Connecting the strap to a stainless steel D-ring screw at the bottom of the camera

As above. It seems it should not be able to handle the weight but I wanna hear from people's actual experiences and not just theories. The body+lens would weigh around 5-6 pounds. The ring/screw ...
0
votes
0answers
13 views

Capture1: How do I transfer all my settings/catalog from 1 Mac to another Mac?

I'm upgrading my MBP and want to transfer all the settings and catalog from the old MBP to the new one. I've looked under my $HOME and I can see there's a Capture one folder there $HOME/Library/...
1
vote
1answer
211 views

Aperture priority on Nikon DF doesn't work with pre-AI lens?

I just bought a 55/3.5 pre-AI. In order to use aperture priority mode, I did these: Raised the meter coupling lever On Non-CPU lens data: focal length: 55 maximum apperture: F/3.5 exposure meter ...
1
vote
1answer
21 views

Polaroid Sun 660 problem

I need help with one polaroid sun 660... It seems that auto focus is not working at all. After investigation on internet i noticed that this camera has a 4 disc lens , so every time that you press the ...
1
vote
2answers
50 views

How to use lenses from Chinon CS-4 on Canon DSLR?

My wife has a Canon EOS 750D. She only has 2 lenses for it and has been talking about getting more. Today, I was at my mum's place and she had these old lenses from a Chinon CS-4. Are these lenses ...
1
vote
3answers
127 views

Does the ISO setting on Minolta Auto 25 flash change the flash power?

I'm using an old Minolta Auto 25 flash off camera wireless to my FUJI XT2. There is no manual power setting switch, only an ISO setting dial. I do not want to use auto mode, but I also do not want to ...
1
vote
0answers
65 views

How Do I organise My Photos on Various Devices

My photo files are a mess. They are randomly distributed between my desktop computer, iPad and mobile phone, sometimes duplicated and sometimes not. I need to get organised. I have a Mac desktop, an ...
6
votes
2answers
246 views

How do I prevent intensive red noise on a deep-sky photo?

This is a fragment of my recent photo of the pinwheel galaxy (M 101): As you can see in this enlarged (200%) detail, the image is full of red noise, which makes all red objects (M 101 has several ...
1
vote
2answers
87 views

Can I use “sRGB mode” or a manufacturer's ICC-profile as a poor substitute for hardware calibration?

I have no colourimeter to perform hardware calibration, but while editing some pictures I still would like to be able to get the colours appear at least slightly truthful. I know that every monitor ...

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