All Questions

0
votes
1answer
31 views

Mathematical definition of EV on a RAW photo?

I'm trying to write a program that takes in a matrix full of 12-bit RAW sensor values (that range from [512-4096]) (512 is the BAYER sensor black level--> i.e. what pure black is defined as) and ...
1
vote
0answers
14 views

How do I remove my waist level finder (RB67)?

After reading the manual and searching the internet, it seems my view finder is different from most. As you see in the photo below, there's no release latch below the "ya" of the Mamiya logo on the ...
1
vote
1answer
46 views

What is this peripheral haziness on a lens element? What can be done about it?

The rear element of a lens has some peripheral haziness on the front surface (inaccessible when the lens is fully assembled). Based on lens diagrams, I believe it is between the two rear-most elements,...
0
votes
0answers
6 views

Manual Mode dark in “Picture Mode” and normal in “Record Mode” [Canon T5i]

I was taking some pics with my Canon T5i + Rokinon 35mm T1.5 Cine and it was normal. Then, I switched to my kit lenses 18-55mm (which is a auto lens in terms of aperture). Then, I switched back to my ...
0
votes
4answers
130 views

How I can losslessly rotate photos?

what is the best solution? I read about the IrfanView but there is JPG_TRANSFORM plugin and IrfanView Shell Extension. Which one should I use and is it available for the 64 bit IrfanView? Please could ...
1
vote
3answers
65 views

How to exposure stack RAW photos while also outputting a raw photo?

So I have .DNG files that I have taken from an iPhone and I'm trying to figure out how to stack them and then output the stacked photo as a .DNG file as well (or any RAW format tbh). I know how to ...
0
votes
2answers
161 views

Why does my generic Chinese intervalometer stop short of selected number of frames?

I am using an intervalometer to make a time lapse video I am using a Nikon D3300 with a 50mm f1.8 lens Focus set to manual Camera Settings: ISO: 3200 Shutter Speed : 1/25 Seconds Apreture : f1.8 ...
5
votes
5answers
331 views

Why are some (higher end?) tripods sold without a head?

I assume that the available heads differ somehow, but don't understand what those differences might be and if they're functional, personal preference or a bit of both.
2
votes
3answers
102k views

What is the difference between an SLR and a DSLR?

What are the differences between SLRs and DSLRs? (I know that DSLRs are Digital SLRs but are there any actual differences?) Also, what are the advantages/disadvantages of both?
1
vote
1answer
35 views

Are there any travel tripods with spring loaded opening?

Is there any style of light tripod (or monopod even), past or present, that can be opened/closed one handed, switchblade knife/automatic umbrella style (eg via a compressible spring in the legs and a ...
0
votes
1answer
32 views

Battery on point and shoot film

Can I remove the battery on my olympus point and shoot film even if there is a film inside?
0
votes
1answer
18 views

How does one activate “Multi Mode Viewfinder” setting on Fujifilm X-T1?

The Fujifilm website documents an "Advanced Feature" which it calls "Multi Mode Viewfinder". This allows one to use various viewfinder modes called "Full", "Normal", "Vertical" and "Dual". Dual is ...
4
votes
5answers
656 views

Is it reasonable to use a ring flash that encircles the lens for non-macro (general) shots?

I just saw Death in Paradise Season 5 Episode 3, which features a photographer using a DSLR to shoot a fashion runway performance. He had a flash that was a ring around the lens. I thought that was ...
1
vote
5answers
402 views

Setting the right white balance value

As I understand White Balancing means - making a particular color look as it should have been irrespective of what color the Ambient Light is. i.e A white paper must look white not blueish grey(cool) ...
1
vote
1answer
85 views

I want to take a picture of an interferogram of white Light

I can see a clear interference pattern by “eyeball”. But my iPhone cannot deal with the dynamic range - yeah I know our vision system is cool. But what kind of camera mimics our vision system?
0
votes
1answer
52 views

Will upgrading from T3i to T7i be a meaningful improvement for low light photography in the jungle of Costa Rica?

I recently got into photography (a few months), I feel I am progressing quickly and have a firm grasp on camera settings, though I am working on experience. I am getting close, but not quite able yet,...
36
votes
3answers
7k views

Why is “The Steerage” hailed “one of the greatest photographs of all time”?

From https://en.wikipedia.org/wiki/The_Steerage: The Steerage is a photograph taken by Alfred Stieglitz in 1907. It has been hailed as one of the greatest photographs of all time because it ...
1
vote
1answer
38 views

What is the mount on this Elicar 85-205mm F3.8 lens?

What is the mount on this Elicar Auto Zoom lens , 85-205mm F3.8 No. 493302?
4
votes
2answers
996 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 ...
1
vote
1answer
84 views

Is this lens for a Minolta mount?

I am pretty sure I bought this on eBay but it was five years ago. I'm planning on adapting it to my Micro Four Thirds camera, and suspect it is a Minolta Rokkor. Here is an imgur gallery with more ...
1
vote
3answers
90 views

Why do the photos become dark even when the flash is working [on hold]

I am using a Nikkon coolpix digital camera,I notice the photos become dark even though the flash is working,How can I solve this problem.
1
vote
3answers
109 views

What are these streaks on lens element? How to remove?

The front of the front element of a lens (Tamron SP 35-210/3.5-4.2 BBAR MC, made 1983-1987) has streaks that are visible only when light is shone through them at some angles. They do not appear to be ...
1
vote
3answers
91 views

What causes grainy film pictures?

So I got a film roll developed, Kodak Colorplus 200. The results aren’t what I expected. Most of my pictures are either grainy, overexposed, or underexposed. I thought it was because I shot most of ...
0
votes
1answer
375 views

Compard Digibase C41 - Extended processing times

I'm thinking of switching from Tetenal to Digibase. My problem is, that i can't find any information about the extended processing times for the Digibase 1l Kit with the exception of the initial times ...
1
vote
2answers
107 views

Why do images taken with my DSLR end up half black and half bright purple?

I use a Canon Rebel T6, and it worked great for about a year and a half until the other week when I'd take a picture and look at it, it would be a half black, half purple screen. Videos work perfectly ...
0
votes
1answer
69 views

Strange behaviour in darktable - image inconsistent

I have used darktable previously and this just started the other day. I imported a raw image and when I change anything (exposure, contrast, etc) temporarily the preview I get from darkroom is what ...
28
votes
10answers
11k views

What settings should I be using to photograph fireworks?

As it's heading into firework season (with Thanksgiving, Guy Fawkes, and New Years), I've never been particularly successful at photographing fireworks. In previous years I think I've always had too ...
0
votes
1answer
45 views

Can only take 12MP photos on my 16MP Sony DSC H100

I bought this camera at a quarter of its price and just noticed I seemingly can't take pictures at its full resolution (16MP). The only available options are 2 and 12MP. Any clues?
-1
votes
1answer
113 views

How to take photos with like that kind of old, warm autumn color?

I have a Nikon D5600 with the kit lens right now, albeit, I just ordered a prime lens. But my question is, since I can’t find it anywhere, is how do I take photos and manage to get those kinds of ...
1
vote
1answer
53 views

Best settings to focus in low light and low contrast condition

I have been shooting for several years in the north of Canada and I notice that I don't get a really high percentage of keeper when using my Canon 100-400 Mk II or 70-200 F2.8 Mk II with either 5DIV ...
5
votes
2answers
912 views

Buying a lens with light haze?

I’m trying to build a full-frame DSLR kit on the cheap by buying used. When looking at old lenses on eBay (for example, the Canon 100-300 L), they are often described as having a low amount of haze. ...
0
votes
0answers
17 views

Display the 'settings menu' in the viewfinder on the Olympus OM-D E-M5

I came into possession of an OM-D E-M5 with a broken screen, and I would like to tweak the menus of the camera. However, I did not succeed to bring them up in the viewfinder. Does anyone know how to ...
2
votes
3answers
290 views

Does A RAW file exist containing the full dynamic range of a natural scene with a ratio of 100,000:1?

I've just read Karl Lang's excellent whitepaper - Rendering the Print: the Art of Photography. In it, he mentions that the ratio of light to dark in a 'natural scene' can have a ratio of 100,000:1, a ...
17
votes
10answers
4k views

How can I identify duplicate image files?

Over the years, I've accumulated a lot of pictures, across a bunch of different machines. I think I've mostly kept them in a yyyy/mm/ directory structure, but especially with some of the older ...
0
votes
0answers
29 views

Switching APS film roll from “fully exposed” to “unexposed”? [duplicate]

I loaded a roll into my Nikon Nuvis A20 and “accidentally” hit that reverse film button meaning that the film switched to “fully exposed”. Is there a way I can reverse this or have I wasted this roll? ...
0
votes
1answer
44 views

Neewer FC-16 and Nikon D5500

I have a Nikon D5500, SB-600 Speedlight and Neewer FC-16 wireless flash trigger and receiver system. My camera and flash are both in manual. The trigger and receiver are both set to "flash". The green ...
1
vote
1answer
124 views

Can I fix a corrupted jpeg file?

I have some jpg files on an old hard drive, and it appears they were corrupted somehow. When I try to open them it says it's an invalid file type in Windows. I first attempted a couple of repair ...
2
votes
1answer
51 views

Night sky photography [duplicate]

I’m newbie in photography. I’ve been trying to catch the Milky Way it stars trials. But I always end up with dark noisy picture with blurred stars and even faint ones. Unlike the second picture I’m ...
0
votes
0answers
25 views

Firmware will not update on D700

I have a Nikon D-700 I downloaded the firmware version 1.04/1.03 to a formatted card with the .bin file but when I go to the menu to update, I have the yes button and I can see the previous and newer ...
4
votes
4answers
404 views

What is the relationship between film speed and the ISO setting on my film camera?

What is the relationship between the speed number of the film you put into your film camera and the ISO adjustable setting on the camera itself? Do you put them on the same number or do you adjust ...
0
votes
0answers
32 views

Draw 5V Power from A7 (Hot Shoe or USB Port)

Is it possible to wire up the camera hot shoe from a Sony A7 iii to power external devices like a follow focus? The device expects USB power at 5V—can the hotshoe supply this or are there any known ...
0
votes
2answers
84 views

How can I create a copy of a image that carries my edits within Lightroom Classic CC?

I'm using a workflow within Lightroom Classic CC that I don't believe to be optimal. What I do sometimes to achieve the results that I want is to make some ajustments within Lightroom, fixing exposure,...
1
vote
4answers
88 views

how to tell what cameras a particular lens will fit

I have a 10x High Def. 2 element macro lens, which was purchased for an older Kodak EasyShare Z612 camera. Since it now appears that the camera may be broken beyond repair, I need to know if there is ...
55
votes
9answers
16k views

Manual photography cheat sheet — where can I find one, or what should be on it?

I have been trying to shoot more in manual modes (both camera and flash). At this point, I understand all the concepts, but all the adjustments slow me down. I'd like to have a "cheat sheet" with ...
-4
votes
3answers
989 views

What is difference between Street Photography and Travel Photography?

Can anyone explain what the difference is between Street Photography and Travel Photography?
3
votes
1answer
311 views

Will I get HSS with my Fuji camera and Godox flash gear?

I'm trying to figure out if I can get HSS with my Fuji X-E3 and Godox flash gear, but my camera body doesn't appear on the much-repeated-about-the-interwebz compatibility charts: Is there any easy ...
0
votes
0answers
21 views

Is there a way to get a Canon EOS T6 to auto connect to WiFi on startup?

I have a large number of cameras that I want to remotely control. Is there a way to get the camera to automatically enter WiFi connection mode on startup (once a connection has been setup)?
0
votes
2answers
100 views

Nikon D5500 displaying pictures that look cartoon-like

I think I turned on a setting that makes my pictures look cartoon-like when displayed using the playback image on Nikon. Please see image below of a screen shot of what I see on the Nikon. When I ...
2
votes
1answer
88 views

Which software can take a batch of classified images and automatically learn from them to classify automatically furthe rimages?

I have a Lightroom library that contains some photos I classified myself and some other ones (in both cases, thousands) not yet classified. I want to automatically classify images based on the tags I ...
0
votes
4answers
80 views

Check if digital picture was taken today?

We're working on an app that registers the gasoline price at a gas station. We enter that information through digital pictures our clients send us; for example, Bob sent us a picture taken today from ...

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