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9 votes
2 answers
565 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 ...
rackandboneman's user avatar
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-...
Catalin Ilie's user avatar
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 ...
xme's user avatar
  • 61
5 votes
0 answers
718 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 ...
G M's user avatar
  • 413
5 votes
0 answers
249 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 ...
CraigularB's user avatar
5 votes
1 answer
254 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 ...
Kraken's user avatar
  • 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 ...
starfry's user avatar
  • 403
5 votes
2 answers
550 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 ?
user818117's user avatar
5 votes
0 answers
490 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. ...
Display Name's user avatar
4 votes
1 answer
171 views

How to use JPG embedded in RAW for color calibration in darktable

My camera (Canon EOS R5) does a great job with colors for the embedded JPG, but I am unable to achieve similar colors (mainly skin tones) when processing the RAW version of the image in darktable. I ...
YSN's user avatar
  • 141
4 votes
0 answers
74 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 ...
mooie's user avatar
  • 1,290
4 votes
2 answers
586 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 ...
Ronny Knight's user avatar
4 votes
0 answers
71 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. ...
agf1997's user avatar
  • 530
4 votes
0 answers
141 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 ...
Wolf's user avatar
  • 141
4 votes
1 answer
325 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 ...
nutty about natty's user avatar
4 votes
2 answers
365 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 ...
user2720372's user avatar
4 votes
1 answer
368 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?
Trevor C's user avatar
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 (...
Paulo's user avatar
  • 41
3 votes
3 answers
252 views

How do I choose between a GoPro or an Osmo Pocket as my travel action camera?

I'm thinking of getting a chest-mounted action camera to free up my mind, eyes, and hands while I'm traveling so I can just experience the joy of being somewhere more deeply without diverting my ...
user114222's user avatar
3 votes
0 answers
141 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 ...
mpr's user avatar
  • 31
3 votes
0 answers
79 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/...
Josué Plante's user avatar
3 votes
0 answers
157 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 ...
U. Windl's user avatar
  • 443
3 votes
1 answer
1k views

How do I synchronise digikam between different PCs?

I copied the digikam database files from my PC to my laptop, but digikam ignored them and recreated its database. How can I copy the digikam data back to the PC without the same thing happening? The ...
Steve Franks's user avatar
3 votes
2 answers
235 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 ...
PoissonedPtard's user avatar
3 votes
0 answers
126 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 ...
AleG's user avatar
  • 103
3 votes
0 answers
95 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 ...
Whistler's user avatar
  • 131
3 votes
0 answers
226 views

Image Stitching with large Parallax

I need to stitch images of 5 cameras together. The cameras are mounted on the sides of an underwater remote operated vehicle. It's basicly a cupoid with sizes of 2.1m x 1.3m x 1.85m. The cameras are ...
Grimkin's user avatar
  • 31
3 votes
0 answers
74 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?
user avatar
3 votes
0 answers
179 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 ...
user91453's user avatar
3 votes
2 answers
470 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 ...
Yury Rudakou's user avatar
3 votes
0 answers
83 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 ...
dahj's user avatar
  • 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 ...
Nat's user avatar
  • 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.
amelida's user avatar
  • 31
3 votes
0 answers
91 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?
Ricku's user avatar
  • 191
3 votes
0 answers
180 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 ...
Jazz Kenny's user avatar
3 votes
0 answers
184 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 ...
рüффп's user avatar
3 votes
0 answers
120 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-...
CanadaRunner's user avatar
3 votes
0 answers
752 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 ...
confetti's user avatar
  • 881
3 votes
0 answers
134 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,...
OnBreak.'s user avatar
  • 20.5k
3 votes
0 answers
327 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, ...
Саша Черных's user avatar
3 votes
0 answers
135 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 ...
user196530's user avatar
3 votes
0 answers
236 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 ...
Stefan Monov's user avatar
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: ...
Shawn's user avatar
  • 139
3 votes
0 answers
169 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->...
Igor Dykman's user avatar
3 votes
0 answers
57 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 ...
John Doe IV's user avatar
3 votes
0 answers
624 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 ...
Clickety Ricket's user avatar
3 votes
0 answers
159 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 ...
jarnbjo's user avatar
  • 3,007
3 votes
0 answers
766 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 ...
trinity420's user avatar
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 ...
Emil's user avatar
  • 464
3 votes
0 answers
222 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 ...
Joe's user avatar
  • 131

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