Understanding the Conversion: 85mm to Inches

In photography, understanding the relationship between different measurement units is crucial for accurate composition and technical precision. One common conversion that photographers encounter is converting between millimeters (mm) and inches. This article explores the conversion of 85mm to inches, its significance, and practical implications.

Significance of 85mm Lens in Photography

85mm lenses are highly regarded in portrait photography due to their ability to create flattering perspectives and natural-looking bokeh. They are often used in wedding photography, portraiture, and environmental portraits. Understanding the conversion to inches is essential for calculating appropriate camera settings and ensuring the lens is used effectively.

Conversion Formula and Calculation

To convert 85mm to inches, we use the following formula:

inches = mm / 25.4

Plugging in 85mm, we get:

inches = 85mm / 25.4 = 3.346 inches

Therefore, 85mm is equivalent to approximately 3.346 inches.

Key Applications in Photography

The conversion from 85mm to inches has practical applications in various photography scenarios:

• Camera Settings: Understanding the equivalent inches helps determine the appropriate aperture, shutter speed, and ISO settings based on the desired field of view and depth of field.
• Lens Selection: Photographers can make informed decisions about choosing between 85mm and other focal lengths based on their desired field of view and subject distance.
• Composition and Framing: Converting 85mm to inches allows photographers to visualize the effective field of view and adjust the composition accordingly.
• Image Reproduction: When reproducing images, knowing the exact size in inches ensures accurate scaling and printing.

Conversion Table

For quick reference, here is a table showing the conversion of 85mm to inches along with other commonly used focal lengths:

Benefits of Understanding the Conversion

Understanding the conversion between 85mm and inches provides several benefits for photographers:

• Accurate Camera Operation: Correcting camera settings based on the equivalent inches ensures optimal image quality and exposure.
• Informed Lens Selection: Choosing the appropriate lens for specific applications becomes easier by understanding the effective field of view in inches.
• Precise Composition: Translating 85mm to inches allows for precise framing and positioning of subjects within the scene.
• Successful Image Reproduction: Accurate printing and scaling of images is possible by knowing the dimensions in inches.

Comparison of Pros and Cons

Pros:

• Accurate camera settings and lens selection
• Precise composition and framing
• Accurate image reproduction

Cons:

• Requires conversion calculations
• May need to refer to tables or calculators

Effective Strategies for Conversion

• Memorize the formula for quick conversion: inches = mm / 25.4
• Use a conversion calculator or mobile app for ease of use
• Refer to conversion tables for quick reference

Call to Action

Understand the conversion of 85mm to inches to enhance your photography skills. By accurately determining equivalent inches, you can optimize camera settings, select appropriate lenses, compose images precisely, and ensure accurate image reproduction.