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493 views

Photo Competition 2021-10-18: Black and White, Metaphorically

Theme: Black and White, Metaphorically In this theme, black and white should be represented conceptually, not literally. This theme was suggested by mattdm. Voting Rules View the submissions sorted ...
1
vote
2answers
33 views

Lightroom catalog - massive data loss

I have my images and my LR catalog saved on an external SSD so that I can work on them from multiple computers. Someday I needed more storage on the internal main hard drive build into my computer ...
1
vote
2answers
98 views

Is the artifact in this photo caused by lens flare?

I analyse a lot of online images, but I am not proficient with the ins and outs of lens flares. Literally know the basics. Is the object in the sky in this photo a flare due to the shining headlight?
0
votes
1answer
60 views

Help with lights in photos

first, I apologize for the writing of this post, since I do not speak English and I am still learning it My photos come out this way, I think it is the lens that is dirty, but I am not sure, I would ...
5
votes
4answers
1k views

Distance marking on a lens - flange distance or film plane?

Some lenses have distance/ hyperfocal markings - is that with reference to the flange (outer mount point of the lens where it meets the camera body) or the film/sensor plane?
0
votes
1answer
84 views

How can I use Qioptiq Mag.x LD Plan Apo 5x / 0.20 objective with Canon EF full frame or Lumix 5?

I would like to make macrophotography with a Qioptiq Mag.x LD Plan Apo 5x / 0.20 objective and a Canon EF full frame or Lumix GH5. Is it possible? How?
3
votes
2answers
78 views

Darktable disable auto correction

I am using darktable for editing my RAW photos and am really a newbie. When I open a new photo, some corrections are already applied, for instance "base curve", "sharpen" etc Is ...
5
votes
2answers
248 views

Newbie need help with sunrise photos

I just got an Autel Evo 2 drone to get angles I cant obtain by foot since I'm disabled. It's supposed to be a very good camera. It has a few settings, but I'm new to camera settings anyway. My last ...
3
votes
3answers
302 views

How could I have capture better the lighting for this photo

I took an inhouse photo in which the sun was entering through the window. I'm guessing that due to the contrast, the flowers are really bright but the background is more dark than what it was ...
1
vote
1answer
199 views

Why won't my camera fire the off-camera flashes even when the trigger button will?

I have a Canon 80D and I use 3 yongnuo triggers to trigger off-camera flashes. But even though the trigger on the camera will flash when I press the trigger button, it will not flash when I press the ...
4
votes
9answers
372 views

Photo Competition 2021-10-04: Festivals

Theme: Festivals Capture a photo of a scene that demonstrates a "festival celebration", or something which highlights what the festival is about, etc. The subject may be a person or a group ...
2
votes
1answer
99 views

Autofocus glitches in Nikon menu for Sigma 18-50 f2.8-4.5 lens

I have sold a Sigma 18-50 f2.8-4.5 OS HSM to an internet buyer. The lens worked fine, but after receiving it today, he said that whenever he turns on autofocus on the lens the camera has a glitch in ...
0
votes
0answers
154 views

Motion tracking/VFX: How to get needed info for iPhone camera?

Basically, I want to do VFX with my iPhone SE 2nd Generation front-facing camera. The software being used is Blender up-to-date. I'm not sure what to set Blender for in the track camera settings field,...
1
vote
2answers
60 views

GIMP's color profile options on file opening and on export

GIMP's operations with color profiles seem hard to grasp. I've studied a question describing experience similar to mine here: GIMP. TIFF. Color profile sRGB IEC61966-2.1 and embedded color profile ...
1
vote
2answers
918 views

Darktable: apply camera's filters, lens correction and crop by default in darkroom mode

I have a Sony Alpha mirrorless camera. When I preview my photos from the lighttable, they look like they do on the camera. But when I open in darkroom, the aspect ratio, lens correction and color ...
0
votes
1answer
170 views

How can I update my Nikon B700 firmware?

I have just bought a second hand Nikon b700 and it has never had a firmware update. I have tried several times and could not get the camera to see the firmware update file on the memory card. Having ...
15
votes
2answers
3k views

What lighting setup is needed for this kind of professional headshot?

Aside from the lighting setup, certain background settings? What I can't seem to understand is the "glow" around the head and shoulders. Is there some recipe? Considering the shadows I can ...
0
votes
1answer
45 views

M50 Mounting maximum weight

I have a canon m50, and an adapter + 55-250 f4 lens, the total weight of the lens and adapter is 500gram, is it safe to install a tripod on the camera body, because my mount adapter is broken
4
votes
2answers
27k views

How differently should I use a flash with film camera?

I will be using flash with a film camera for the first time. I've some experience with on and off camera flash with digital camera and film camera for landscape pictures. Now I do not know what are ...
5
votes
2answers
2k views

How can I create light trails without a blurry subject?

I would like to achieve this effect using my Nikon P510: Are there any suggestions or tips that would help me do that?
3
votes
3answers
371 views

What do I need to beef up my iPhone for my go-to camera on my travels? [closed]

Note: I know very little of photography. I will be doing some extensive traveling in the coming months in Europe. Since I absolutely need to pack light, I've opted not to purchase a point-and-shoot ...
2
votes
6answers
283 views

How do I pick a good camera as a surprise present?

I’m totally a novice to Photography and related gadgets. But I want to gift a camera with a “viewfinder” lens to my wife. She already has a Canon dSLR camera. Is it typical to buy just an “electronic ...
6
votes
3answers
3k views

Where may I find this camera test image?

So I wanted to compare the cameras of two phones that look like good contenders to be purchased as the daily driver.. I went over to GSMArena and found an interesting test for these cameras- I found ...
28
votes
7answers
25k views

How can I add a border to a JPEG photo without affecting quality?

I have a photo in JPEG format with resolution 4680x3120. I want to add a white border around this photo, turning it into a 5200x3467 photo (for printing reasons). Clearly, I am not altering or ...
14
votes
10answers
7k views
7
votes
5answers
2k views

When should I use exposure compensation?

When should I use exposure compensation, rather than ISO, shutter speed or aperture?
1
vote
1answer
69 views

Colour shift in photographs between applications? (profile included)

I have Asus ProArt PA329 monitor. I made a full system reinstallation a few months ago, had not really worked photos for a while due to lockdown and other things etc. More recently, I re-installed the ...
4
votes
2answers
958 views

File formats for stereoscopic 3D images

Years ago I got into cross-eyed 3D photos and I've made a good few of them. Not many people are willing to spend the few days and eye strain to learn the viewing method, though. With Google Cardboard ...
2
votes
1answer
119 views

How can I remove spots on my lens?

I have noticed there are lots of spots on the outside of the 1st optical lens on my Ef-S 18-200mm lens. They are not scratches and look more like marks left by dried condensation or water droplets. ...
4
votes
2answers
206 views

How come my DSLR takes worse low-light photos than my phone, both in RAW w/ comparable settings?

I'm shooting in RAW, manual, on both my DLSR (Nikon D90) and my smartphone (iPhone Xs, Moment Pro camera app) and I've noticed significantly poorer low-light performance on my DSLR, with additional ...
0
votes
2answers
51 views

What to use as continuous power supplier with Sony a7II?

I try to figure out how to provide my camera with enough power during video shootings and I have purchased a dummy battery with USB-C power adapter to connect it to power bank, but when I connected it ...
0
votes
2answers
71 views

How can I provide continuous power to Nikon D5100?

I would like to shoot continuously with my Nikon D5100. I just got into the hobby and all I have are batteries. Does Nikon have a product where I can plug my camera into a wall socket, so I can ...
1
vote
2answers
182 views

What is this C-mount lens?

I work in a public research institute and on one setup we have the following lens: It works well and I'd like to replicate the setup, but there is no reference on the lens, not even a brand name. It ...
1
vote
1answer
2k views

How do I get my Yongnuo YN-560 III to sync off-camera with a 5D Mark II and RF-603 II?

I have a Canon 5D Mark II, and I'm attempting to use a Yongnuo YN-560 III flash off-camera, with a remote trigger. I'm using the camera in Manual mode, with the following settings: ISO 320, f/7.1, 1 ...
1
vote
3answers
4k views

What does a megapixel designation on a lens actually mean?

I know that in a CMOS sensor the megapixels give you an idea of how many pixels are actually there to capture the light. In terms of a lens however, I cannot find any relation between the megapixels ...
1
vote
3answers
212 views

I took a photo of a guitar. Do I need a property release to sell it as a stock image?

I recently took a photo of a guitar. The logo of the company that makes the guitar is not shown in the photo. Do I need a property release from the manufacturer or the owner to sell it as a stock ...
4
votes
8answers
2k views

Using Auto ISO when shooting

I was told it’s not good to use auto ISO. I responded that I will try to set my ISO manually in P,A,S,M Mode’s but I think I got issues. I keep seeing it in auto ISO, it’s getting me the shot even ...
0
votes
2answers
4k views

What's the connector pinout and voltage to make a DIY external power supply for a Godox flash?

I want to make an external power supply for my Godox TT685N, and I have two questions: There are 3 pins on the connector (I found, that this is same conector like Canon) What is the pinout of this ...
10
votes
1answer
15k views

How can I run a Nikon DSLR from AC power?

My wife has a Nikon D3100 that I've been using to film, but the battery typically won't last through long shoots. I've gathered from searching around that I can't charge the camera with USB, but I ...
1
vote
0answers
38 views

Minolta MC Tele Rokkor-PE 200mm f4.5 Service Manual

Do you have any copy or a link where I can find a service manual for Minolta MC Rokkor-PE 200mm f4.5? I recently bought this lens for $15 and in mint condition, but the front element has dust which a ...
7
votes
5answers
4k views

How can I fix a sticky polarizing filter?

I took a gamble and bought a used B+W Circular Polarizer off eBay. The filter looks great but the adjusting ring is a little bit sticky. Is there some way to lubricate this?
2
votes
1answer
226 views

Canon 6D Mark-ii + Kenko C-AF 1.4x Teleplus pro 300 + Kenko 1.4x teleplus HD shows Error

I have a Canon 6d mark-ii camera. However, the kenko lens are not working and yesterday, I tried to fix my camera with a friend. They had the same camera and lens but those are working with mark-ii ...
0
votes
1answer
146 views

How to Improve Visibility of Photos for an Article

I have written up a science experiment for high school students where I take some photos of a swinging pendulum but it has been pointed out the photos of the pendulum are hard to see and that the ...
1
vote
3answers
245 views

Are there any wide angle lenses that will work on the NIKKOR 1 to give about 24 35mm equivalent?

I like the look of the NIKKOR 1, but wish to have the option of a real wide angle len. Can I get one at a reasonable price by using mount converts etc?
5
votes
5answers
1k views

What is this Angenieux lens?

Exactly what it says on the tin. I recently acquired an old manual Pierre Angenieux 18-180mm f2.2 lens, but I can't find any documentation for it online. As far as I can tell, it was built for use ...
2
votes
4answers
2k views

Will a macro extension tube eliminate the cropping of an APS-C lens on a full-frame sensor?

I understand using an A-mount lens intended for APS-C sensors on a full-frame camera results in cropping of the image. According to a tech at Sony, you lose 1/3 of pixels (APS-C is a 2/3 sensor so it ...
2
votes
4answers
387 views

What are the technical reasons to design lenses with oddly shaped apertures?

Some lenses have oddly shaped apertures, like star or shuriken shaped. It seems to be intentional since making "normal" rounded or polygonal apertures is fairly simple (as I have observed while ...
2
votes
2answers
208 views

What is this 25-100mm lens with a 1 inch diameter mount?

I am trying to identify the brand/make/model of this lens. It has a thread mount, 24mm as I measured it. It has two zoom barrels and no manufacturer name stamp I can see, although it has 'lens made in ...
2
votes
2answers
72 views

Tamron lens causing errors at extreme focal lengths

recently I've noticed an issue with my Tamron lens (at least I think it's the lens). My current set up: Canon EOS 90D Tamron AF 70-300mm f/4-5.6 Di LD Macro When taking photos at the 300mm end of ...
8
votes
6answers
9k views

What CCTV lenses can I use with Micro 4/3 and adapter?

I keep hearing things about using CCTV C Mounts hacked into a Micro 4/3 camera using an adapter. Does anybody have any experience with this? Can any ebay lens work, or is the C-mount not universal? ...

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