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Focal Length

What is Focal Length?

Focal length is a fundamental concept in optics and photography that refers to the distance between the center of a lens and the focal point, where light rays converge to form a sharp image.

It is typically measured in millimeters (mm) and determines the angle of view and magnification of the lens. A shorter focal length produces a wider angle of view and lower magnification, while a longer focal length produces a narrower angle of view and higher magnification. Focal length is an important consideration when selecting a lens for a specific purpose, such as portrait photography or landscape photography.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Canon EF-S 18-55mm F3.5-5.6 IS II Camera Lens (No Warranty)

Canon EF-S 18-55mm F3.5-5.6 IS II Camera Lens ...

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Ecom Discount Tk 1,000

Canon EF 50mm F/1.8 STM Camera Lens (No Warranty)

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Sony FE 85mm F1.8 Camera Lens #SEL-85F18 (No Warranty)

Sony FE 85mm F1.8 Camera Lens #SEL-85F18 (No ...

Tk 51,000

Ecom Discount Tk 300

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