Questions tagged [subject-distance]
The subject-distance tag has no usage guidance.
69
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How do I determine distance to an object when I know the object's size and the camera's angle of view?
I'm trying to find the distance of an object, where the original size of the object is known. Unfortunately, I cannot seem to find either focal length or sensor size online, but I know that the camera ...
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What would be the optimal distance of the object from the lense given the camera spec
I am not a photography expert hence i would like for some advice.
The camera im using is a small camera that will be taking pictures of an object at a fixed point, my problem is identifying where this ...
- 101
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Determining the Flash to Subject Distance with an Olympus FC-WR
I have an Olympus FC-WR commander and an FL-700WR flash. The flash will show me the flash to subject distance when it's in the hot shoe, but not when I'm using wireless mode with the FC-WR.
Is there ...
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Calculating the size of an object from a single image, given the distance from the camera
I was looking at other questions on here and I'm pretty sure it's not a duplicate so here it goes. I'm working on a problem where I need to calculate the size of a particular object in an image. The ...
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Subjects not focused when they are too far away
I recently bought a Nikkor 200-500 f/5.6 lens. I've been trying it out with several kinds of subjects and results have been a little mixed.
When the subjects are close the focus is sharp. This bird ...
- 335
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129
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What does pixel width mean in the context of calculating camera placement distance?
I am setting up cameras for an experiment filming animals. In a experimental protocol paper that I'm following, it states that:
Based on a pinhole camera model, the bound x_min on the pixel span of ...
3
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611
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Is x50 zoom camera able to zoom 500 meter target area from a 6 km distance?
I have a x50 zoom camera and here is some specs of the camera and lens:
Focal length: 6 mm ~ 300 mm
Field of view: 58.4° ~ 1.4°
Resolution: 2 MP
I drew a scheme to explain my question properly, you ...
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Would an MFT to EF speedbooster on an MFT camera help me photograph and record backyard wildlife?
Upon learning that an Olympus 12-200mm with a 16.6x zoom will not be produce an equivalent or better zoom range as a Canon 70-300mm (see my previous question), I now pose the question:
Would it make ...
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3
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Backyard wildlife zoom question factoring distance
I'm quite new to
photograhpy/videography and I only have a limited budget of $800.00US for a lens.
As per Kai's request allow me to pose the question centered around the discussion I initiated:
Which ...
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1
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Finding real life width and height knowing camera properties and distance to object [duplicate]
I'm trying to basically find the width and height of someone's face
I know the following:
distance from face to camera in mm
the sensor height in mm
the focal distance in mm
distance in pixels ...
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1
answer
221
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Is there any way to know the distance between the camera and the focused subject
I am using Nikon D3500 but the question may be of a general nature.
I understand that the Camera measures distance between the subject in focus and the Camera for deciding the flash light requirements ...
- 43
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209
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Calculation of the heigth of the camera
I am trying to find the height of a drone using the camera only. I can calculate the distance of the object top and bottom. Object is a square platform with width=0.2m. I used the equation provided by ...
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3
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912
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Distance from camera to have the photo print out as it's actual size [closed]
How far do I need to be in order to take an actual size photo of an object that's 6.25 inches by 6.25 or, if you prefer; 158.25mm X 158.75mm?
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Does aperture really matter if the subject distance is large?
I have calculated the depth of field for my Sony RX100M3. I have done so numerous times for all three parameters: focal length, subject distance and apperture.
I noticed that for sufficiently large ...
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angle of view and distance from subject calculation for a smartphone
I would like to calculate the angle of view of a photo taken by a smartphone, in order and estimate the distance from a subject of a specific size.
Let's do calculation for a Samsung S7, which has a ...
- 123
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