All Questions
602
questions with no upvoted or accepted answers
9
votes
2
answers
514
views
Can any MFT lenses be turned into a practical object-space telecentric macro lens by reversing?
The micro four thirds specifications originally want lenses to be image space telecentric if possible. It seems that some MFT lenses actually follow that recommendation.
Can reversing such a lens ...
- 7,172
6
votes
2
answers
532
views
Adjust manual focus for sharper images with Sony RX0,for aerial photography
I am taking photos around 80m altitudes (with Sony RX0) with a moving drone,Shutter Speed is set to 1/1000 to prevent blurs,I want to take sharp images with manual focus,how should I adjust settings ?
- 161
6
votes
0
answers
164
views
How to take photos quickly through iPhone using Ricoh Theta SC?
I recently got a Ricoh Theta SC. If I use it standalone I can press the shutter button, it will make a noise to indicate it is taking a picture. Within about 1 second I can take another picture by ...
- 528
6
votes
0
answers
3k
views
Issue with Yongnuo 568EX flash on i-TTL mode
I've just received 2 pieces of Yongnuo YN568EX for my Nikon D610. When I’m on I-TTL mode the flash fires but the image is black (I tried it on each mode: auto, manual, A…), the sound tick-tick twice-...
- 61
6
votes
1
answer
2k
views
How can I use the 200 seconds exposure time in Raspberry Pi HQ camera?
I would like to use the Raspberry pi HQ camera for astrophotography. I have read in the answers and comments on this question that I should be able to use a maximum exposure time of 200 seconds.
This ...
- 61
5
votes
0
answers
613
views
Differences between DCP and ICC profiles?
I am trying to understand what is the best colour profile that I can generate from a ColorChecker for calibrating my camera. I always used ICC colour profile standard but now I saw also DCP colour ...
- 413
5
votes
0
answers
244
views
Built-in Canon R5 intervalometer not triggering with back button focus
I was trying to use the built-in intervalometer on the Canon R5 last night, and at first set-up the shutter wasn't being triggered. I played around with settings for a bit, flipped the lens to Manual ...
- 151
5
votes
1
answer
234
views
Auto mass transform in Lightroom
I have been using Lightroom to mass develop my photos recently and all the tools work as expected when using automatic functions (e.g. auto WB, auto tone), that is setting an auto value will set it on ...
- 151
5
votes
0
answers
1k
views
How to embed ICC profile in DNG so darktable will use it?
I am experimenting with linear raw DNG and ICC profiles with Darktable.
The DNG files are the result of scans using VueScan. I can add the scanner's ICC profile to the DNG. But when I open it in ...
- 403
5
votes
0
answers
483
views
How to disable automatic cropping that's done after distortion correction in DxO Optics Pro 9 or 10?
DxO uses so-called "modules" that apparently contain many lens parameters and they are implicitly used for correcting geometric distortion, and some other issues in pictures automatically. ...
- 219
4
votes
0
answers
68
views
Is the Canon radio wireless flash system the same in every country?
Is the Canon radio wireless flash system the same in every country? I'm looking to use several Canon "RT" flashes, some bought in the UK and others bought in the US. Will this work, or ...
- 1,290
4
votes
2
answers
549
views
Does the Interval Timer on the Z6 (or Z7) automatically disable after each sequence/series of shots?
I have the Canon RP and am disappointed to find that the Interval Timer disables itself after each sequence and must be re-enabled for every new sequence. So, every press of the shutter requires ...
- 41
4
votes
0
answers
63
views
PanoTools Scripting
I have a series of microscope images that I'm trying to stitch together.
In all cases the images are made by horizontally shifting the stage. Autostitch does an absolutely wonderful job. ...
- 530
4
votes
0
answers
105
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 ...
- 141
4
votes
1
answer
278
views
How to "save a session" in digikam?
I'm fairly new to digikam.
(Previously I was using Shotwell to sift through thousands of photos from various sources to separate the wheat from the chaff, but now feel digikam might be better suited ...
4
votes
2
answers
341
views
Show current date and time on Sony α6000
Is there any way to display the current date and time on a Sony α6000, apart from going into the menu and trying to set it?
I find this feature very useful and it was very easy on my Canon DSLR, but I ...
- 418
4
votes
1
answer
345
views
Can my Nikon D750 fire a flash while I'm connected to it over wifi?
I'm trying to take photos from my iPad using the wifi connection on my D750, but I can't get the setup to trigger my flash when I take photos that way. Is this a thing that can be done?
- 41
4
votes
2
answers
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 (...
- 41
3
votes
0
answers
61
views
Looking for sample DNG files because of inconsistent color and forward matrices in mine
I've been reading this great article on how digital cameras convert raw data to sRGB images. In the last section (section 7) it discusses how Adobe's DNG converter does the conversion using color ...
- 31
3
votes
0
answers
163
views
Why is Canon EOS R5 saying my authentic batteries are counterfeit?
My Canon EOS R5 recently started (out of the blue) reading my authentic batteries as counterfeit. Has anybody else had this issue?
Why is it doing this and what can I do to fix it?
- 31
3
votes
0
answers
70
views
Inside Shooting - Very Large Group Picture
I have to shoot a 400 person group picture, inside a drill hall with bad lighting, with a couple of 8 rows bleachers. I plan on shooting on a Nikon D6 with a AF-S 50 mm f/1.4 lens at f/10, around 1/...
- 31
3
votes
0
answers
150
views
How do these modern multi-lens/multi-sensor smartphones work?
My last smartphone just had one front lens, so I could understand.
My current phone has three front lenses (and three sensors, too, I guess), so I was a bit surprised, that I had zero control over the ...
- 401
3
votes
2
answers
194
views
Is SNR dependent on unit area ('per pixel')?
I understand that shot noise will be dependent only on final photon count, and thus is invariant under area changes (shot noise = sqrt(total_photons)). Is the same true for final SNR, if considering ...
3
votes
0
answers
117
views
Blank circles on BW film
I just developed a film that came out with transparent circles placed randomically on it and transparent edges.
Example showing the beginning of the film, the shots that always come out totally ...
- 103
3
votes
0
answers
92
views
Turntable Fixture dilemma
As it stands, I've been looking into a contract for doing product photography for a small company that sells custom race car parts and services, and I am running into one challenge that I haven't been ...
- 131
3
votes
0
answers
67
views
Why does the shutter work only without film loaded on a Minolta X-370?
Using a Minolta X-370, what does it mean if the shutter advances and releases without film but it will not release the shutter with film loaded?
user92362
3
votes
0
answers
173
views
Do smartglasses where you can see the image being taken exist?
I was wondering if there were any smart glasses, or an eyepiece where you could receive the image, in real time, that is being composed on your viewfinder or live View?
I often use awkward angles and ...
- 31
3
votes
2
answers
427
views
Canon DPP 4 - copy/apply white balance settings
I have two shots made with automatic white balance setup (AWB) in artificial light conditions. I like how the camera evaluated the white balance in the picture with white paw, I like how green color ...
- 131
3
votes
0
answers
73
views
digikam: reuse edit filter for batch editing
I edited a raw photo and applied some filters (so, I can see them in "used filters" tab in image editing window). I would now like to apply the exact filters in a batch editing for multiple files, is ...
- 31
3
votes
2
answers
8k
views
disposable camera film - random pics green, no image, fog
I got a film developed at cvs. It was a disposable fuji. Some of the photos returned were so hazy and green you could not see the image at all. Is there any way to fix these images? Other photos were ...
- 31
3
votes
0
answers
2k
views
What camera did Cindy Sherman shoot with?
I'm studying photographers and am curious to know what camera CS used for her work. I'm sure the latest is on digital but wanted to know what she started out with.
- 31
3
votes
1
answer
252
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 ...
3
votes
0
answers
87
views
How did technicians individually hand-shim each Pentax/Konica 35mm slr lens mount?
I just received a Konica Autoreflex T and I found out that the lens mount is individually hand shimmed.
How did the technicians determine if the lens mount is correctly parallel to the focal plane?
- 191
3
votes
0
answers
156
views
External Flash Only Fires Once
Weird problem - Setup is as follows: D5600 -> Pixel TF-322 hotshoe to sync cable adapter -> Flashpoint FPBF120 strobe.
The strobe only fires the first time I hit the shutter button; after that, the ...
- 31
3
votes
0
answers
175
views
Nikon ViewNX-i and sidecar files
I wanted to use Nikon View NX-i to set the GPS coordinates in my raw files but it seems the data are always going to a sidecar file.
I got a folder NKSC_PARAM aside of my raws with .nksc files inside ...
- 839
3
votes
0
answers
110
views
Matching color of HDR panorama
For normal images color checkers can be used to correct images that the color representation is euqual.
How is it done with HDR images? How can color checker board measurements be included in the tone-...
- 31
3
votes
0
answers
650
views
Did Canon remove the possibility to read the shuttercount?
So, I just saw this question and it got me thinking of something I stumbled upon recently.
Whenever I get a Canon camera in my hands, I read out its shuttercount using ...
- 881
3
votes
0
answers
132
views
Characteristic Curve for Split Toning?
We can see from the data sheet on Ilford Multigrade Paper (link) that the curve gets steeper with increased contrast and tonal range shrinks (as expected). Various techniques seek to maximize tonality,...
- 20.5k
3
votes
0
answers
306
views
Is tethering possible with the Nikon Coolpix P520?
1. Summary
I can't find, is it possible PC live view for Nikon Coolpix P520.
2. Details
I try to scan books, use this device. It would be nice to have feature, that user can to see on PC monitor, ...
- 131
3
votes
0
answers
134
views
Canon built-in intervalometer and image preview
I'm using the built-in intervalometer on my Canon 77D camera to shoot timelapses. I'd like to be able to asses the images by checking out the histogram on the preview (so I can adjust exposure ...
- 193
3
votes
0
answers
225
views
What apps can fully load 32-bit floating point DNGs?
Lightroom Mobile's HDR feature produces a somewhat uncommon type of DNGs - 32-bit floating point ones.
I tried loading one into Photoshop. I was presented with an Adobe Camera Raw window where I ...
- 209
3
votes
2
answers
2k
views
How do I find raw files corresponding to selected JPEGS
I shoot RAW + JPEG on fujifilm cameras and 90% of the time I'm fully content with my jpeg images but a few could use some editing. To save time I would like to cull my photos into three categories:
...
- 139
3
votes
0
answers
166
views
Darktable: how to save export account?
DT 2.2.5. How to save "export selected" account (facebook/google/flickr) credentials?
fb/google works for me but every time I'm restarting DT I have to go thru authentication process again. Settings->...
- 31
3
votes
0
answers
56
views
Lightroom: How to add superordinated keywords quickly?
I'm using LR 5.7 with a keyword hierarchy and have to tag thousands of photos quickly. Using the Shift and Cmd/Ctrl keys helps me assigning a keyword to a bunch of files at once. Sadly if I tick a ...
- 197
3
votes
0
answers
596
views
Panasonic lens autofocus does not work with Olympus bodies?
I just got a Panasonic Lumix Nocticron 42.5mm lens and the autofocus does not appear to work with my OM-D E-M1 M2 body.
Is autofocus supposed to work on non-Panasonic bodies for this lens, or no? Is ...
- 1,834
3
votes
0
answers
157
views
Focusing issue with Pentacon6/Biometar80
I recently bought a 'new', old Biometar 80 lens for my Pentacon 6 camera and did some preliminary tests with an adapter on my Nikon DSLR. Everything looked great, so I went on holiday with the new ...
- 2,991
3
votes
0
answers
717
views
Can I create an "old polaroid" style with Nikon Picture Control?
I want my Nikon D810 to automatically post-process my shots so that they look like old polaroid/vintage photos.
Therefore I want to create a Nikon picture control configuration file (with the program ...
- 131
3
votes
0
answers
37
views
Why does Lightroom (5) take longer to import a single image if a folder contains more images?
If I have images on a hard drive, and one folder has 5-10 images, importing a single image (RAW) is very fast. Yet if a folder has 50 images, it takes Much longer to import that same image. In fact it ...
- 464
3
votes
0
answers
221
views
Lightroom image looks different in the Print tab to Develop tab
The photo is as I want it in the Develop screen, but when I click on the Print tab it's as if my colour changes (cropping seems to have stayed) are gone, and the preview in the Print tab looks like ...
- 131
3
votes
0
answers
129
views
Software to re-center a fisheye image
I am looking for easy to use software that works on OS X and can "re-center" an equal-area projection fisheye image.
What do I mean by "re-center"? The perspective correction tools built into many ...
- 2,873
Hot Network Questions
- Packing Osiris Rex capsule after landing
- Where is this image of Vader from?
- How to get tofu to absorb flavour?
- During a total solar eclipse is it possible to see solar flares with the naked eye?
- What led physics to "anticipate" the tau particle?
- Creating a test jig for a large PCB Backplate
- Does the Path of the Giant barbarian's Elemental Cleaver damage increase by 1d6 each attack?
- Yet another shared_ptr implementation for learning purposes
- Does analytic signal have positive instantaneous frequency?
- What is the meaning of アレよ in this sentence?
- Why did the Motorola 68000 processor family fall out of use in personal computers in the 21st century?
- Why we use vector sum to calculate net potential in AC circuits?
- I don't get my table width fixed
- Is it harmful to keep 12V accessory on ignition start?
- Civil liability for criminal punishment
- How can I express "to make a wish"?
- How to have app names be spoken aloud on a new notification?
- How to simulate decreasing randomness even though randomness is increasing?
- Do you win a Numeric Mahjong?
- A Trivial Pursuit #11 (Science and Nature 2/4): The Search
- Epimorphisms of relations
- Does the term "vapor pressure" even mean anything in an open system?
- Fantasy novel main character Ghendt? finds tower, travels time, fights against dark force
- Lawn: Newly sown turf grows at least twice as fast as the "old" turf