All Questions

In darktable preference --> core options --> activate OpenCL support, the only open I have is "not available"; OpenCL scheduling profile's option is also "not available". I just bought a new PC AMD ...

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 ...

what kind of mirrores you advise me , (and escuse my englis error)

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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.

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?

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. ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

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 ...

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 ...

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. ...

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 ...

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 (...

I want to know how to take shots like this on a motorcycle on a gopro hero 8. Is this effect done in post?

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 ...

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 ...

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 ...

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, ...

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 ...

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

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 ...

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 ...

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

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 ...

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 ...

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 ...

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 ...

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 ...

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 "...

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 ...

Canon RF lenses have a new feature: a control ring. What is the control ring and what can be done with it?

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....

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 ...

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 ...

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 ...

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