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votes
2answers
157 views

How to get this color temperature [closed]

Regarding this picture, how is it possible to get such a white balance (13750), because when looking at the Exif metadata, this color temperature is so warm. How is it possible? This is a raw file and ...
0
votes
1answer
49 views

Canon EOS 70D - Err 01 - Communications between the camera and lens is faulty

I have the Canon EOS 70D with the standard 18-135 lens on it. The camera was working fine and I dropped the aperture down when taking a photo and the camera froze. I turned it off and when I turned it ...
0
votes
1answer
78 views

AF Nikkor 50mm 1.8 stopped being recognized by D3500

My lovely bride, of 40 years, bought me a new Nikon D3500 bundle. Loves me. I own a Nikkor AF d 50mm 1.8. Think it is about 13 years old. I have used it about 200 shots with the D3500 and worked great....
0
votes
2answers
24 views

Is a Yongnuo YN-560 II flash suitable for use with a Nikon D3500?

Anyone know if the Yongnuo YN-560 II Speedlight Flash is suitable for use with a Nikon D3500 been offered on at a good price
0
votes
0answers
13 views

How can I make my tt685c flash as a master and match it with other kind of flashes while they aren’t same kind of master flash

How can I make my tt685c flash as a master and match it with other kind of flashes while they aren’t same kind of master flash andI want to other flashes use 1/4 of their power Please help me to set ...
8
votes
6answers
1k views

Does a lens with a bigger max. aperture focus faster than a lens with a smaller max. aperture?

The assertion by a well known photographer is that the Nikon 400mm f/2.8 set to an aperture of f/5.6 will let in 4 times the light compared to a Nikon 500mm f/5.6 lens set to f/5.6, keeping the ...
4
votes
2answers
95 views

Does sensor size affect performance of image stabilization?

Many lenses today have image stabilization (IS) in the lens. At least Canon and Nikon do this. The Canon and Nikon systems allow one to use lenses intended for full frame cameras in their crop sensor ...
1
vote
1answer
66 views

How to soften a tight zoom ring?

After a fall, our Nikon Af-S 24-70mm 2.8G ED zoom ring got quite tight. It's specially hard to rotate it between 50 and 70mm. We can't send it to repair service, as we need it daily and have no ...
3
votes
0answers
70 views

What is considered as “unpublished” on usual photo contest rules?

On many photo contest rules, we find the condition that photos must be unpublished to take part on them. That was quite a simple rule when our only way to show our work on public was trough exhibitons ...
3
votes
1answer
128 views

What is this mount with two buttons on side of Vivitar 75-205mm lens?

I recently acquired this lens, but I cannot figure out the exact mount on the lens, does anyone know? I was told by the seller that it was for a Nikon camera. However, this mount looks nothing like ...
0
votes
1answer
82 views

Calculation for getting dimension of object in image [duplicate]

I am trying to calculate the dimensions of an object in an image. This is a sample image I took to get height of the brown box. I have this white box which measures 16cm and I would like to know the ...
3
votes
0answers
64 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 ...
1
vote
3answers
103 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
52 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?
-3
votes
1answer
128 views

Extraction of registration number of a car [duplicate]

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
78 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
78 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....
3
votes
2answers
253 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 ...
7
votes
2answers
169 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
56 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
48 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
79 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
227 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
34 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
638 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
2answers
70 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
28 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
141 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
54 views

Detecting changes in focus [closed]

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
163 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
47 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
96 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
69 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
4k 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
86 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
55 views

Upgrade D200 without breaking the bank? [closed]

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
110 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
138 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
64 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
127 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
113 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 ...
0
votes
2answers
98 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 ...
2
votes
0answers
90 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
50 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
64 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
99 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
2answers
46 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
1answer
45 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
63 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 ...

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