All Questions

2
votes
0answers
27 views

What kind of built-in light meters in film cameras exist?

There are a number of light meters built into film cameras I am aware of. First there's selenium cell light meters, like on the below old Canonet. Later cadmium sulphide (CdS) photocells became more ...
0
votes
2answers
30 views

Is there any mirrorless camera that can mark areas within DoF in the EVF?

All mirrorless cameras have the image in the rear LCD and the electronic viewfinder (EVF) fully generated by a computer, making many utilities such as noise removal, text overlays, histograms, etc ...
1
vote
1answer
29 views

How to include emulsion style thin border during film negative scan?

I am looking at image like this. Notice the inner thin edgy border in black. Given a film negative and a scanner, how can we make such border?
-2
votes
1answer
87 views

Extraction of registration number of a car

Please help me out the number of a car. Robbers entered our city late at night to steal in 3 cars including my car. High value coins and other items were taken away. The neighbor's camera filmed the ...
3
votes
0answers
52 views

How to smooth gradient of an overexposed sky on a raw file?

I'm editing a back-lighted portrait. Sky backwards it's mostly overexposed, but some information was preserved on the upper left corner of the frame. I shooted on both JPG and RAW (canon's CR2) This ...
0
votes
1answer
30 views

How do the Zeiss Batis 18mm f/2.8 and Tokina Firin 20mm f/2.0 AF compare for astrophotography?

I'm trying to choose a lens for astrophotography with Sony A7. Although I choose it for astro, I also want it to function as a normal landscape lens. So I try not to go far wide like Samyang 14mm f/2....
2
votes
1answer
184 views

Is there any problem with this camera not having a lens cover?

I am considering buying the Fujifilm FinePix XP140, shown here: https://www.fujifilm.com/products/digital_cameras/xp/finepix_xp140/. I notice that most other cameras either have some form of lid that ...
6
votes
2answers
122 views

Why aren't tripod mounts metric?

Almost everything about cameras, lenses, sensor and film sizes are specified in metric units. So why are common tripod mounts (e.g., 1/4"-20) not metric? I'm just curious if there's an interesting ...
0
votes
0answers
46 views

How to make back of menu more visible?

[This is not an advertisement for the listed business: they just opened, and, for all I know, their food may suck] Looking at this menu, I noticed that portions of the reverse side are quite readable,...
-1
votes
1answer
43 views

How to calculate Sensor Pixel Pitch?

I need to compute the “Sensor Pixel Pitch (in mm/px)” for some calculation. I have the following data available from the manufacturer: Resolution: 1920x1200 Sensor Type: 2/3” CMOS Pixel size: 4.8 x ...
1
vote
1answer
55 views

Image extraction work

Hope everyone is doing good and I really need some help with regards to automate the image extraction work. We usually receive team/group images and the majority of the groups are shot on a natural ...
3
votes
3answers
207 views

Organize photos for many overlapping projects

I am working with a larger collection of photographs (~10,000) for my PhD thesis (in biology) and I am currently struggling with the organization of these. Sorry, if this question is in the wrong ...
0
votes
1answer
27 views

Why did my Nikon J1 stop working in all except smart photo mode?

My Nikon J1, which has had the 10-30 lens fix, has stopped working in all except the smart photo mode. When I try to use any other mode, the camera shuts itself off. Does anyone have a solution?
1
vote
1answer
601 views

Why do I have to press the shutter button twice on my Canon 6d Mark II? [duplicate]

I am new to photography and trying to learn everyday. I've noticed when shooting in manual mode and using the Viewfinder like most professionals use, when I press the shutter button down you have to ...
1
vote
1answer
45 views

How do I identify an old unlabeled roll of 120 film?

I found this roll of film inside of an old camera lying around in our house. All photos on it have been taken but the roll does not tell what development process or what type of film it is. Does ...
0
votes
0answers
25 views

How to change “Content Creator” property set by adobe lightroom to “Adobe Photoshop Lightroom Classic 8.3.1 (Macintosh)”

Every time I export images from Adobe LightRoom I can see that there is a Content Creator metadata property which is always set to Adobe Photoshop Lightroom Classic 8.3.1 (Macintosh). I tried changing ...
3
votes
2answers
110 views

What speedlites can work with the Canon EOS 4000D's non-standard hotshoe?

I was wondering if someone can help me out in finding which speedlites I can use on a Canon 4000D, as this camera does not have a centre connection on it.
0
votes
1answer
49 views

Detecting changes in focus [on hold]

I have a process where a DSLR camera takes a photo of an identical and flat (nearly 2D) object every few seconds. I am hoping to build a QA step that involves checking a control or test card every 50 ...
2
votes
2answers
154 views

Would adding an external lens allow one area outside the focal plane to be in focus?

I’m doing high speed scientific imaging. I have a camera mounted in a fixed location with a Micro Nikkor 105mm lens. It’s viewing a fixed subject that has a small mirror oriented 45 degrees underneath ...
0
votes
0answers
43 views

How can I tell whether or not a lens has focus breathing?

So recently I got a 90mm macro lens, installed a focus bracketing app onto my camera and let it run. Unfortunately, turned out that this lens has focus breathing which means the actual zoom level in ...
0
votes
2answers
82 views

Is the Canon EF 24-105mm f/4L IS USM lens parfocal or not?

I read a review of the Canon EF 24-105mm f/4L IS USM lens. It said: Focus shifts while zooming. Zoom before you focus. Surprised by this (I don't recall ever seeing the focus scale shift while ...
0
votes
5answers
58 views

Does DSLR (no metering/live preview) + Light Meter recreate the same level of difficulty as working with film?

I'm going to be working with film later this year, for the first time, and would like to prepare beforehand to shoot with it. My question is if I use a Sekonic light meter and a DSLR with only the ...
11
votes
5answers
3k views

How was film developed in the late 1920s?

I am doing research for a story I am writing. If an investigator in the late 1920s privately needed to glimpse an image that was taken on a camera, perhaps a 35mm Leica or a Naegel, would it be ...
0
votes
0answers
73 views

Real Estate Photography Legal

So if I was welcomed into a home and took photos of the home. The photos will be used to sell the home by the agent. No contracts were signed on either side. Legally where do I stand with the ...
1
vote
1answer
50 views

Upgrade D200 without breaking the bank? [on hold]

I have a Nikon D200 and I am looking to upgrade but don’t want to break the bank. I am a hobby photographer with a small client base. I want to expand my ability to take pictures in all environments ...
5
votes
2answers
94 views

What does “OEM” mean in the context of camera equipment?

I've often heard people refer to some camera gear or parts as "OEM". For example from this site, lenses, flashes, and batteries. What does this actually mean?
1
vote
3answers
130 views

Does image quality of the lens affect “focus and recompose” technique?

As I understand it, 'focus and recompose' is often used to ensure the subject is in focus and at the same time composition is right. It has been estimated that some lenses are best in terms of image ...
1
vote
2answers
58 views

Are Canon EW-83J and EW-83H lens hoods mount mechanisms compatible?

I have a Canon EF 24-105mm f/4L IS USM lens and its hood EW-83H. I also have an EW-83J lens hood intended for EF-S 17-55mm f/2.8 IS USM. I don't have a full frame camera; my camera is a crop sensor ...
1
vote
2answers
114 views

Can Pentax and Canon mounts on Tamron lenses be swapped?

I have two Tamron lenses. Lens A has a mount ring for Canon, and Lens B has a mount ring for Pentax. Lens A is broken. Can I swap the mount rings and use lens B for my Canon camera?
3
votes
3answers
106 views

Were these Robert Frank photographs made by underexposing in camera versus in development?

These are example images which I think is purposely underexposed: Robert Frank, The Americans Plate 43. Robert Frank, Mary and Pablo in Bed, c.1954 My question is that are those images underexposed ...
1
vote
2answers
74 views

Where can I buy an original Nikon battery that is certain to be genuine?

It is well known how useful it is to have a second battery for your DSLR camera. Besides it is advisable to use original brand equipment, specially when it comes to batteries. So, I'm currentley ...
1
vote
0answers
82 views

How to bring such details on face and dull cyan color grading like in this image?

I have sufficient experience in Photoshop and prefer it over Lightroom. I want to know the directions to achieve these specialties of the image below: Facial details in wrinkles and hair. Dull cyan-...
0
votes
1answer
47 views

Why are three nearly duplicate photos produced with Dynamic Range Optimization on a Sony SLT-A65V?

I have DRO turned on, and it gives me 3 slightly different photos of the same thing. Now what? Manually decide which is best? Recombine them into a single better photo? How? Something else End ...
0
votes
1answer
62 views

What exactly are tilt shift lenses and why are they so important [duplicate]

So I have heard things called tilt shift lenses which makes the buildings appear fully flat. I also heard its mission critical for anyone that wants to take architecture photographs. Why spend a ...
1
vote
2answers
92 views

A way to take long horizontal (scanner) images quickly (nearly instant)

Is there a way to take long horizontal images using techniques similar to a scanner NEARLY INSTANTLY In other words I want to be able to point a camera out the left or right window of my car, drive a ...
0
votes
1answer
49 views

Is there any difference between SanDisk Extreme Pro old version vs new version? [on hold]

Is there any difference between SanDisk Extreme Pro old version vs new version? I see that Amazon has both the older version 95 MB and the new Generation Version at 170 MB. Does anyone know? I will be ...
0
votes
2answers
44 views

What's the actual physics behind the optical apodization? [duplicate]

Canon seems to plan to introduce a 50mm with apodization for a more natural bokeh [1], but it is not the first in photography [2]. Wikipedia article is only an introduction [2], and does not develop ...
0
votes
0answers
17 views

using my canon rebel t5 for video and fb live [closed]

Is there a way to do Facebook live and record on my canon rebel t5 and somehow connect to my iPhone 8splus or my iPad ?
0
votes
1answer
43 views

Corrupted Files

I use two cameras: a Nikon d750 and a Nikon d850. I have recently started using RAW format in slot 1 and JPEG format in slot 2 as backup. The 850 takes great photos, but the files are huge. One photo ...
2
votes
0answers
50 views

What creates a calisson-like shaped light bokeh ? How to craft this aspect of the bokeh? [duplicate]

What creates a calisson-like shaped light bokeh such as this one (made with Arri signature T/1.9) ? The further from the center the more present are the angles, why ? Another lens (Zeiss Supreme T/1....
2
votes
2answers
58 views

Is there any long-term negative effects of frequent automatic in-camera sensor cleaning?

Many newer digital cameras offer an automatic sensor cleaning option in the menu that uses some sort of sensor vibration to shake off dirt. This strikes me as a source of potential long-term ...
3
votes
1answer
49 views

Will I get an image if I develop colour photographic paper (c type) in black and white developer?

Does anyone know what happens if I develop colour photographic paper (c type) in black and white developer? Will I get an image?
0
votes
0answers
59 views

How to download Raw files from Nikon D5500

I took photos with my Nikon D5500 using RaW and jpeg settings. When I try to transfer the images with Nikon software, only jpeg was transfered and not the RAW files.
1
vote
1answer
38 views

Sync Smart Preview of Master Catalog

I use Lightroom Classic with a master catalog approach (compared to multi-catalog) for my work. I don't store any of the RAW files on my local HD - everything is on multiple HD (2 HD, 2 large USB keys,...
19
votes
1answer
2k views

Why do even high-end cameras often still include normal (non-cross-type) AF sensors?

Modern cameras often use two kinds of AF sensor: normal, and cross-type. While normal-type AF sensors notably struggle focusing on high-contrast vertical lines, cross-type sensors, though more ...
2
votes
3answers
138 views

Why don't any cameras use time-of-flight systems (like ZCam) for autofocus (and allow extra raw creativity with z-data)?

After reading Why don't DSLRs use laser rangefinders for autofocus? This question come in my head : Why camera don't use z-cam for autofocus (and allow extra raw creativity with z-data) There is ...
0
votes
0answers
23 views

Grey guideline with pen tool in Photoshop CC [on hold]

I'm not sure if this is a recent upgrade or if I did something wrong by mistake, but now the guideline of the pen tool is grey. When I click on settings of the pen tool, blue shows up but everything ...
0
votes
0answers
23 views

Does crop factor affect focal distance for APS-C lenses? [duplicate]

I just found my interest in photography, and am about to buy myself a used DSLR. I did some research on what equipment would suit my preferred motives, and came to the conclusion that 35mm focal ...
4
votes
2answers
131 views

What open and free software to use to manage large collection of photos?

What is the best software to manage photos? I know this is a question which has been asked in the past, but I want to add two constraints: Open format. If in 50 years someone wants to look at the ...
2
votes
2answers
38 views

How to clean the viewfinder of Minolta X-700

My Minolta X-700 was dropped and the consequence is a viewfinder full of dust like this: I don't know how to clean it except remove the top cover to reach the viewfinder. Is there any other way?

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