This week in Part II of my seven part series about lenses for travel photography, I’ll discuss important lens specifications you should keep in mind when purchasing or choosing lenses for your travel. The series is primarily meant for SLR and DSLR camera users who can attach a variety of lenses to their cameras to support their creativity, and suit the needs of their photographic opportunities.Among the important lens characteristics you should understand are:
- Focusing and sharpness
- Largest aperture and for zoom lenses when applicable, the range of the largest aperture at the full range of the lens’ focal lengths
- Magnification
- Focal Length
- Special Features such as Vibration Reduction, Focus Limit Switches, Extra-low Dispersion (ED) elements, special lens coatings, and no lens extension
- Potential problems such as focus softness in corners, vignetting (light falloff), chromatic aberration, and distortion
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