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votes
2answers
54 views

What programming languages are used to write camera firmware?

Firstly I am thinking of modern digital cameras like DSLR and Mirrorless Bodies. Curious about both the "front end" that is user interfaces on digital screens and the more hardware driver side of ...
0
votes
0answers
36 views

mirrores you advise me [closed]

what kind of mirrores you advise me , (and escuse my englis error)
0
votes
2answers
43 views

Blur image with a 1/2“ lens on a 1/3” sensor

When I put my 1/2" lens on my 1/2" sensor, the image is perfect, but when I put the same lens on my 1/3" sensor, everything is very blur, even when I focus at maximum, so I need to put an extension ...
0
votes
1answer
33 views

How do I create and load a color profile with DisplayCal on Windows?

I have monitors that look different and I don't know how to make them look the same. So I buy a spider2 because it is cheap and I want to make sure it work before I spend a lot of money. The seller ...
2
votes
0answers
37 views

Sony a7III starts shooting JPEG even after I choose RAW

Despite the fact that I set to RAW, at some point the camera begins to shoot JPEGs only. My guess is that this is related to the space available on the SD card. If so, is there any way to turn this ...
1
vote
2answers
79 views

How can I light a large group photo at night outside on a stage?

I am taking a shot of a group of about 200 people. I have never done a shot this big — not even close. It’s before a company dinner at night outside on a stage. I need help and suggestions. How to ...
0
votes
2answers
43 views

Aperture and the understanding of how it works [duplicate]

So over black friday I bought this bundle, which is the Nikon D3500 two kit lenses. I was wondering, I keep hearing people talk about aperture and using F11-F16 but on those lenses that I have, all I ...
2
votes
2answers
186 views

Autofocus not working

I have Nikon D5300 and Nikon 18-55mm AF-P DX VR 3.5-5.6G lens. I am no expert in photography just uses my DSLR to click normal pictures. I always had autofocus on half shutter press and suddenly it is ...
3
votes
1answer
79 views

What does “normalizing the curve” mean?

A colleague mentioned a course in digital signal processing where he remembered the expression "normalizing the curve" or "normalizing the image" to make it as accurate as possible and get better ...
0
votes
2answers
64 views

Canon EF-S 55-250 IS STM or EF 70-300 IS II USM for trip to South Africa [closed]

I'm off to South Africa in a couple of weeks. It's a family holiday but we'll be on safari for a few days. I have a Canon 550D with an 18-135 lens. I am tempted by both the 55-250 and the 70-300. I ...
0
votes
1answer
46 views

How to perform lens shading correction given downsampled lens shading map

I'm working with the HDR+ Burst Photography Dataset. The burst RAW images are provided in DNG format. For each image, an additional low-resolution floating point lens shading map (encoded as .TIFF) is ...
0
votes
2answers
53 views

What is a good resolution for text notes (during a lecture or training)

I'm a techie and when attending various training presentations, I'll take a photo of a slide that is being presented. Now I want to save this training slide for posterity. What resolution is ...
0
votes
0answers
73 views

What are the best Lenses for Blackmagic 6k video recording [closed]

What are the best lenses for Blackmagic pocket cinema camera lenses for 4k/6k video recording? I would like to know the Canon prime and non-prime lenses.
0
votes
0answers
8 views

I need help in Photoshop [migrated]

When I am moving an object in photoshop timeline video sometimes it moves off the screen by accident. How do get it back onto the page?
1
vote
1answer
51 views

How to reassemble aperture of Smena lens?

I was testing a Smena lens, and it was unexpectedly susceptible to veiling glare, compared with other Smena lenses I've used. So I took it apart to make sure the elements were positioned correctly. ...
0
votes
0answers
62 views

ICC profile for Canon PIXMA Pro-100

I bought this paper that a lot of people were raving about, but I can't see to get a nice print with my Canon PIXMA PRO-100. I installed new drivers and used the Canon Matte Photo Paper Profile but ...
0
votes
1answer
35 views

Finding Duplicate Pixel/Objects along Image seams [closed]

I have a seam of two photos joined by a seam alignment algorithm that on occasion generates duplicated pixels/objects/artifacts on both sides of the seam in the final, aligned photo. The images are ...
4
votes
2answers
232 views

For landscape photography in potentially harsh climates, are traditional twist-action tripod legs preferable to quick-release? [duplicate]

I'm a relatively new landscape photographer and long-time user of a tripod with quick-release plastic clasps on the legs (I've owned this specific tripod base for around 10 years). On a recent trip, ...
0
votes
2answers
96 views

I dropped my 15-45 mm lens [closed]

I own a Canon Eos m3 with a 15-45 mm lens. Yesterday, when I was changing the lenses for the first time, I accidentally dropped the lens. From around 1 meter, on stone tiles. :( I checked it and it ...
2
votes
1answer
339 views

How to figure out the order of lens elements in the rear group?

I bought a second-hand Canon 100D after I got into photography this summer, and got to use a vintage lens that was still attached to my dad's Pentax ME Super (Asahi Pentax-M 50mm 1.4 SMC, a great step ...
1
vote
3answers
202 views

Reason for offset in lens/sensor and tripod mount?

I have noticed that my Canon Powershot G11 tripod mount is more in the center of the body of the camera and not aligned with the lens/sensor. Is there a reason for this? My concern is that as I rotate ...
0
votes
2answers
99 views

Calculate original resolution an image was taken at from EXIF data?

I have a resized JPG of a photo that still contains the original EXIF data. How can I calculate the original resolution (in pixels) the camera was set to when this photo was taken? In the EXIF, I see ...
1
vote
3answers
115 views

Lens for 1/2“ sensors, installed on a 1/3” sensor

I want to install a lens built for sensors 1/x" (with 1 <= x <= 3), on a sensor 1/3". I need to have an horizontal field of view of "a cm", when my working distance is "b cm". What is the ...
0
votes
0answers
70 views

Canon Eos M3 makes overexposed pictures in any mode except automatic

I recently bought a canon eos m3, and I'm experimenting with different modes. However, every picture I've made using something different than the automatic mode, especially SCN, turns out overexposed. ...
1
vote
3answers
124 views

How do 35mm film scanners deal with the film base color?

I want to build a jig to scan 35mm film using my digital camera (something similar to https://www.thingiverse.com/thing:2789457 or http://www.frogymandias.org/3-d/index.html). I have seen several ...
0
votes
1answer
126 views

Why is there a maximum focus distance when using an extension tube? [duplicate]

I am using the Nikon D850 together with the Sigma 50mm/1.4 Art and the MEIKE MK-N-AF1-A extension tube(s). During first shots I found out that the combination not only has a minimum focus distance (...
0
votes
1answer
100 views

How to take shots like this [closed]

I want to know how to take shots like this on a motorcycle on a gopro hero 8. Is this effect done in post?
-2
votes
1answer
87 views

Equipment and Services that turns DIGITAL images into 35mm negatives [closed]

Help! I'm working with a company looking to transfer digital images in film format so they can more easily reprint from film (larger sizes etc). I have been tasked with finding any and all equipment ...
-1
votes
0answers
50 views

Trying to upload Photos to Bookweight - Unsupported File Type [closed]

I am trying to upload photos but it is saying: File(s) failed to Import Unsupported file format - photos must be jpeg or png All my photos are jpegs, but every one gets this error when trying to ...
0
votes
1answer
302 views

What Canon mirrorless Camera would suit for product photography? [closed]

In our Company we have a special tool for making product photos. The tool consists of lightbox and turntable in it. It all connects to a PC where special software controls light intensity, turns the ...
-1
votes
2answers
293 views

Are electronically parfocal RF lenses parfocal enough for fireworks photography with zoom?

Within a month or so, it's the first time I'll see fireworks as an owner of a good camera and naturally I'm planning to take photographs of them. By researching various fireworks photography sources, ...
0
votes
1answer
94 views

Timelapse Software on Laptop for Sony a6300 for year long timelapse

I'd like to create a timelapse running for 1 year and chose as a camera the Sony a6300 as it can be easily powered by cable (Instead of getting dummy batteries and so on) But I cannot find a software ...
0
votes
3answers
193 views

Why Image and video taken is half black, but see with eyefinder is not?

when I saw with the eyefinder nothing was wrong, but the results were half black. view from liveview and record video is the same, half black. When i see image in computer is same
-2
votes
0answers
43 views

Canon EOS 77D vs Nikon D5600 which is beter [closed]

I have already looked at a website where she says that the canon is better but I would like to ask what is the best entry-level camera because I like to do everything with it what do you recommend to ...
-1
votes
0answers
110 views

Is there any benefit of “continue focus search” option?

Many Canon DSLR / mirrorless cameras have an option to choose whether the camera searches for focus if it cannot find focus. Especially on long lenses with no focus limiter, the lens can become ...
-2
votes
1answer
64 views

Whats the best camera about 1000€ DSLR [closed]

i want a allround camera with dlsr . i found one on amazon and want to ask if this is a good camera enter link description here. and whats a good lens fore this camera
1
vote
1answer
124 views

facilitating long-duration time lapse application

I am doing a time lapse that requires about 36 hours, however my equipment limits me to a rather short-duration interval. The longest time lapse setting available is one photo every 60 seconds. The ...
0
votes
1answer
154 views

What is the normal process for a photographer to get their photo into CMYK format?

I am an aspiring photographer. I take pictures that I want printed in CMYK for a magazine. Do I have to take the photo, and then painfully convert the rgb photo to cmyk? Is there no out of the box ...
0
votes
2answers
491 views

Is a 1" (one inch) sensor camera workable for stock or commercial photography?

Is it possible to deliver commercially-acceptable results using a 1-inch sensor size camera (let me suggest Sony RX10M4 / Panasonic FZ1000M2 as an example camera here)? By the commercially-acceptable ...
-2
votes
1answer
105 views

Is there any test data available that characterizes performance of Canon's “AI Servo AutoFocus”?

After trying numerous recommendations for setting Canon's AI Servo AF, I am getting only the rare in-focus picture of small birds in flight in their native environment. Based on this I have formed an ...
0
votes
0answers
22 views

Epson Scan 2 Not Showing Transparency Option for Film Scanning

I've been using my Epson V600 (or sometimes, GT-X820) for 6 years. I have gone through Apple updates and having broken Epson software before. (Currently running OSX 15.1 Cat) However, this time ...
5
votes
4answers
3k views

Is it safe to push a lens to retract it?

I have noticed. Instead of twisting the zoom ring on my 18-135 DX F3.5/ F5.6 G ED. I can instead push it to the camera to retract the lens using the lens hood as a "handle" How safe is this "...
0
votes
0answers
125 views

Extension tubes and focal length [closed]

I have a question about lens selectors like www.baslerweb.com/en/products/tools/lens-selector/ They don't enable to add extension tubes in the parameters. So for a given sensor size, a given working ...
0
votes
1answer
132 views

What is Canon RF control ring?

Canon RF lenses have a new feature: a control ring. What is the control ring and what can be done with it?
-1
votes
0answers
40 views

Photoshop video editing [closed]

How do I save or export an edited video file in photoshop? I have followed several online help with no luck. The main issue is that the video file is taking forever to be exported in the format I want....
0
votes
0answers
25 views

How to install ViewNX-i on macOS Mojave? [closed]

I want to install Nikon's ViewNX-i on macOS Mojave 10.14.6 to convert photos from NEF to JPEG. I followed the installation steps here but cannot see the app: nothing is listed as Nikon or ViewNX in ...
0
votes
1answer
50 views

long exposures with nikon d7000

i want to take exposures of more than 30 secs with my nikon d7000 but i do not have a remote so i cant use the bulb mode. How do i achieve this or it isnt possible?Is there any way to use my smart ...
2
votes
1answer
124 views

Automate Develop persona in Affinity Photo 1.7?

I am processing a bunch of RAW images in Affinity Photo v1.7 (on OS X), and for each photo I want to perform the same adjustments. I have looked in all the usual places for repeating my steps but so ...
0
votes
1answer
21 views

How to fit mobile onto gorillapod 3k kit

I have a nikon d3300 for the gorillapod 3k kit. I want to be able to mount mobile on it as well. What do i need. I cannot seem to find any clear instructions
0
votes
2answers
83 views

Why is the A1 (paper) format 594×841 and not 594×840? [closed]

Why is the A1 (paper) format 594×841 mm and not 594×840 mm(so the double size of format A2)? Same goes with formats B, C, D, ....

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