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Lens Characteristics: Color, Tone, Contrast and Resolution
As lens performance differs, so does the look and characteristics of the resulting images. These differences are most easily seen in the image's color, subtle gradations in tone, impact-enhancing contrast, and subject detail and sharpness-enhancing resolution. All are important qualities when evaluating a lens, and each is vital to the photo's overall impression.

 
Color
Lenses with high-quality color characteristics are said to vividly reproduce a subject's natural colors. To achieve this, today's lenses have specially-designed coatings applied that create beautiful, rich colors, free of dullness and color casts.
Reproduces fresh-looking, vibrant colors.
Creates a rainbow of bright, clear colors
 
Tone
Lenses renowned for their superb tone characteristics can faithfully reproduce an abundance of subject nuances, from smooth, delicate tones to subtle gradations of subject shadows.
No loss of detail in dark areas
Reproduces gradations of soft colors
 
Contrast
A high-contrast lens accurately recreates ranges of light and shadow and produces vivid images. Using the socalled "less is more" idea, photos taken with these lenses have excellent transparency and clarity.
High contrast makes a building look 3-dimensional.
Borders formed by light and shadow distinguish sections of an image.
 
Resolution
High-resolution lenses can accurately reproduce finely detailed areas of the subject. For example in animal photos, individual strands of hair can be clearly seen.
Even areas of fine detail are sharply reproduced.
Even fine wood grain can be easily seen.

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