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8
votes
1answer
381 views

How can I get a fixed short exposure ( < 2s) with a GoPro Hero 4 Black?

Does anybody knows about way to fix or manually set the exposure of a GoPro Hero 4 Black (FW HD4.02.02.00.00). I want to set short exposure (< 2 sec), so that each shot has the same parameter. ...
6
votes
1answer
175 views

Why does a non-linear relationship exist between noise level (of dark frame) and ISO setting

According to Does changing the ISO of a modern digital camera really change the gain of an electronic amplifier?, the ISO physically amplifies signal in analogic way, so it is more effective than ...
6
votes
1answer
355 views

Creating “Smart Folders” on the hard drive based on photo IPTC metadata?

I use IPTC metadata for tagging and rating my images. I'd like to create folders on my hard drive containing collections of photos based on the metedata (e.g. 5-star photos in 2015). This would be ...
6
votes
2answers
118 views

Bare Bulb diffuser for travel?

I found the thread for diffuser for speedlights here but wanted to check out options available for bare-bulb flashes, specifically the Godox AD360ii. I'll be traveling to Vietnam for 3 weeks in ...
5
votes
2answers
188 views

Photoshop CC converting image layers to video clip

I have an image sequence in Photoshop CC 2018 and have turned them into a timelapse. I want to change the speed / length of the video but I am unable to. If I change the framerate it increases/...
5
votes
0answers
393 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 ...
5
votes
0answers
2k 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-...
4
votes
2answers
97 views

Which is better in lens hoods, felt-like material or sawtooth surface?

I have noticed that many1 Canon lens hoods contain a felt-like matte black material designed to reduce reflections. The material probably does so admirably, but tends to get dusty over time. On the ...
4
votes
0answers
41 views

Will analog camera's timestamp work with remjet film?

Will analog 35mm camera's quartz timestamp work with motion pictures remjet film? I know that the carbon layer is last so will the timestamp be able to imprint the date?
4
votes
1answer
121 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 ...
4
votes
2answers
318 views

Magenta noise on images?

Does anyone know why I'm getting magenta noise on my images. It's very inconsistent when it happens, and I'm having a hard time figuring out what's causing it. I'm seeing the 'noise' predominantly ...
4
votes
1answer
219 views

How do I plan for the lighting for landscape photography?

When I plan a landscape photography, I use tools like Google Earth so to get an idea of the place I want to shoot; TPE and PhotoPills in order to see the direction of the sun, looking for a frontal or ...
4
votes
1answer
562 views

Nikon D5100: How to keep Continuous shooting on between shots

There is an old-ish post about the continuous release mode, but it's not exactly what I am trying to achieve, and was wondering if something has been discovered since then. On my D5100, when I set ...
4
votes
1answer
229 views

What are the options for mounting 24×34 wedding-portrait prints?

In about four months, I have a wedding shoot coming up. The couple has requested a 24x34 print. I usually order my 20x30’s on a Single & Double Weight Matboard, but I feel like the print itself ...
4
votes
0answers
106 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 ...
4
votes
1answer
187 views

Light modifier compatibility with different brand speed ring?

I have two Flashpoint monolights from Adorama and matching speed rings for these strobes. I want to rent a Paul Buff softbox and a Bowens strip box. Physically, are these light modifiers compatible ...
4
votes
2answers
2k views

How to convert huge number of pictures to a short, 30 fps video? (combine frames)

I'm trying to make a timelapse video. I do have all the shots (6500) and would like to make a short 30 FPS video (max 30 seconds). 6500 shots at 30 FPS makes a 200 seconds video more or less. If I ...
4
votes
0answers
151 views

Remote Control for Sony NEX 5 with bracketed images

Most remote controls that I've tried with my Sony NEX 5t only allow for a single shot shutter action. I'd like to be able to show bracketed images with a remote control. Are there options on the ...
4
votes
0answers
430 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. But the ...
4
votes
1answer
525 views

Can I use the Huey Pro with correction disabled?

As far as I know the Pantone Huey Pro works like this: First it tries to get the most out of the monitor by manipulating the color lookup table of the graphics adapter ("correction") and then it ...
4
votes
2answers
147 views

How to choose a color calibration device?

I'm tired of my monitors and phones all looking different. I tried following instructions at Lagom LCD monitor test pages, but they still look different. So, I think I need to buy something to help ...
4
votes
1answer
376 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 ?
4
votes
2answers
426 views

Why won't my Canon 60D take more than one photo with the internal flash, without closing it manually?

If the internal flash is raised, when I try to take a photo nothing happens; the shutter do not open and the focus too do not change while half-pressing the button. No error is displayed when this ...
3
votes
1answer
77 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 ...
3
votes
0answers
62 views

AF Fine-tune zoom lenses?

How do you fix / fine-tune the focus on a zoom lens? Nikon states The D850 can fine-tune autofocus automatically. The results can be used with all lenses of the same type. But does it also mean ...
3
votes
0answers
70 views

Why is my Pentax LX engraved with the name of famous Japanese photographer Masaaki Nakagawa?

Any idea why my Pentax LX has a name of the famous deceased Japanese photographer Masaaki Nakagawa engraved on it? Is it some kind of limited edition?
3
votes
0answers
63 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?
3
votes
0answers
159 views

Calculating EV of an image file using its exif data

I'm trying to calculate the EV (exposure value) for an image file based on its exif data. In Wikidepia, I came across this formula for calculating EV: EV = EV100 + LOG(S/100, 2) = LOG(N^2 / t, 2) +...
3
votes
2answers
129 views

How to desaturate part of an image on slide film?

I am taking analog photos, mostly on color reversal film. Sometimes, I want to locally reduce color within a frame, preferably to pure black and white. Is there a method to drastically reduce color ...
3
votes
1answer
186 views

Automatically merge all HDR sequences in folder in Lightroom CC Classic

I've been shooting a lot of raw 3-exposure bracketed shots recently which I've been merging into HDR images in Lightroom Classic CC (Mac). I find the process of selecting 3 images, going into the ...
3
votes
2answers
130 views

Does shift based perspective correction have any effect on focus?

Consider a photographer with an SLR camera and a PC lens attached in its default, unshifted position, standing on the ground at the base of a columned building whose height is X times that of the ...
3
votes
0answers
847 views

Sony A7iii how to permanently display focus distance in MF mode

I'm doing mostly landscape photography and the manual focus is a thing for me. Since the native Sony lenses all have focus by wire, the MF experience is poor. I never know if my focus is still at ...
3
votes
0answers
471 views

How to continuously store Canon EOS 80D images on a computer over WiFi

The EOS Utility for Canon cameras allows the transfer of images stored in the Camera to a computer running the EOS Utility over WiFi. And this EOS Utility can be configured to transfer only those ...
3
votes
1answer
283 views

Homogenize exposure brightness and white balance

I've taken thousands of photos on a long-term project and I'm doing a time-lapse film. Due to the different weather and the different light conditions the pictures are partly very differently exposed....
3
votes
2answers
10k views

Use Google Photos Cloud instead of Adobe CC for Lightroom CC Storage

With Lightroom CC all your photos are now able to be stored on Adobe's creative cloud. However this only allows for 100gb of free photo storage. Google on the other hand offers Google Photos which is ...
3
votes
2answers
755 views

What could cause a D7000's mirror to flap and “Err” to be displayed when trying to take a picture?

When I press the shutter on my Nikon D7000, the mirror noisily flaps up and down — nothing else happens except Err in display. It's not possible to take a picture and the Aperture and Shutter wheels ...
3
votes
3answers
598 views

Can a Yongnuo 565EX (no HSS) be used as a second flash (slave) with another flash that has HSS?

I do know my question confuses and I do apologize for that. As a beginner, I still struggle to articulate things in a nice way. So I think it's better to explain the scenario first. I was using a ...
3
votes
0answers
138 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->...
3
votes
2answers
714 views

Center, rotate, and zoom photo on a face

I have multiple photos of my 2 year old daughter since she was born and Google photos / Picasa has done a good job tagging her face in all the photos. Is there a way that I can center each photo on ...
3
votes
1answer
447 views

Minolta srt101 (SLR) trigger jam

I've done a lot of searching but haven't found much regarding film Advance lever/trigger errors. Symptoms: lever will advance once or twice, with the firing sound being a dull "krk", not the bright "K-...
3
votes
1answer
116 views

Picasa to Lightroom Geotag

I am looking at switching over to Lightroom from Picasa. I started the trial of Lightroom and noticed many of my photos that are geotagged in Picasa do not have GPS information in Lightroom. How do ...
3
votes
1answer
236 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?
3
votes
0answers
118 views

Quilted/Tiled Image Sensor: How do you eliminate stripes of missing photos in huge quilted sensors?

Background: This question is largely inspired by one of the answers in: What limits the size of digital imaging sensors? So the answer mentions uber-large image sensors that are made by "quilting" or ...
3
votes
1answer
225 views

How to convert uncompressed FujiFilm raw to compressed raf?

RAF files from older 16-megapixel X-trans cameras are about 30MB. Compressed RAF files from newer 24-megapixel cameras are about 20MB. Given the size savings, it would be nice if uncompressed files ...
3
votes
4answers
511 views

What are these vertical lines of my negative?

I've recently been home developing C-41 film with the tetenal colortec c-41 kit. I use the Paterson reel tank and use the stick for agitation and a controlled water bath. My current theory is that it'...
3
votes
4answers
384 views

Is there a digital camera that is able to save people bounding boxes?

I am looking for digital cameras that are able to recognize faces(automatically or by user input) and save those as tags in XMP using either Microsoft Photo 1.2 Schema or Metadata Working Group - ...
2
votes
0answers
35 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 ...
2
votes
0answers
67 views

How did Apple create the Catalina dynamic desktop background?

The new version of macOS, Catalina, includes a "dynamic" desktop background featuring photos of Catalina Island throughout various times in the day. Here's two of the eight different images: You ...
2
votes
0answers
30 views

Damaged CR3 files saved by Canon M50 and then saved again correctly

While importing photos to Lightroom I got a somewhat worrying message that some of my photos can’t be imported as the file is damaged. Upon closer inspection, I have noticed that indeed several CR3 ...
2
votes
1answer
42 views

Why can't I mount a Pentax SMC 85/2.2 on a Pentax ME Super?

I just got a Pentax SMC 85/2.2, and was looking forward to using it on my Pentax ME Super. Both are supposed to have K-Mounts according to the descriptions. Unfortunately, I cannot mount the lens on ...

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