Calculate Shutter Speed: Determine the shutter speed based on focal length and crop factor.

Calculate Shutter Speed

Purpose

The Calculate Shutter Speed function is used to determine the required shutter speed based on the focal length of the camera lens in order to avoid camera shake.

Use Cases

• When you want to know the appropriate shutter speed for a specific focal length to capture sharp images.
• To prevent blurry photos caused by camera shake when using a particular lens.

How to Use

1. Enter the focal length of your camera lens.
2. Optionally, you can adjust the crop factor if needed.
3. Click on the calculate button to get the recommended shutter speed.

Input Values

1. Focal Length - Enter the focal length of your camera lens. Default unit is millimeter (mm).
2. Description: The focal length is the distance between the lens and the image sensor when the subject is in focus.
3. Crop Factor - Enter the crop factor of your camera if applicable.
4. Description: The crop factor is a ratio that compares the size of the camera sensor to a full-frame sensor.

Output Values

1. Shutter Speed - The recommended shutter speed to avoid camera shake.
2. Description: The shutter speed is expressed in seconds and indicates how long the camera's shutter remains open to capture an image.

Any other Instruction

• Ensure to input the correct focal length to get accurate results.
• Adjust the crop factor only if you are using a camera with a different sensor size.

Code Analysis

The calculation for the shutter speed is done by dividing 1 by the product of the focal length and the crop factor.

Technical Parameters

focal_length, crop_factor

Return Values

Shutter Speed

Example Expressions

You can use the following expressions to directly evaluate in a non-interactive manner using eval():

shutter_speed('50 mm', 1.5)
shutter_speed('85 mm', 1.0)

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