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Home  >  Lenses >  Item # SNSELP18105G (MFR# SELP18105G)
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SELP18105G - E PZ 18-105mm f/4 G OSS Power Zoom Lens
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Sony SELP18105G - E PZ 18-105mm f/4 G OSS Power Zoom Lens

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Condition: Brand new, USA Warranty
From wide angle to medium telephoto (27mm to 158mmm in 35mm full-frame format equivalency), this power zoom lens covers approximately a 6x zoom with a constant f/4 aperture all the way.

The first Sony G Lens created specifically for E-mount cameras is true to its heritage, achieving outstanding resolution and contrast throughout the zoom range thanks to an advanced optical design that incorporates two ED glass elements and three aspherical elements. Thanks to technology originally developed for the Sony Handycam camcorders, zoom and focus operation are not only remarkably smooth and quiet, but the length of the lens remains constant as well, for consistent, stable handling when shooting stills or movies. A zoom lever allows zoom speed to be freely adjusted as required while maintaining a comfortable, firm grip, contributing to maximum image quality with minimum camera shake.

Circular Aperture

When changing your aperture to defocus the background, the light sources appear blurred. This ?bokeh? effect of the blurred background can be enhanced with circular aperture blades used in this lens. Conventional aperture blades have flat sides creating unappealing polygonal shaped defocussed points of light. a lenses overcome this problem through a unique design that keeps the aperture almost perfectly circular from its wide-open setting to when it is closed by 2 stops. Smoother, more natural defocusing can be obtained as a result.

Aspherical Lens Elements

Aspherical lens design dramatically reduces spherical aberration while also reducing lens size and weight. Spherical aberration is a slight misalignment of the light rays projected on the image plane. This is caused by differences in refraction at different points on conventional spherical lenses which degrade image quality in large-aperture lenses. Specially shaped ?aspherical? elements near the diaphragm restore alignment of light rays at the image plane, maintaining high sharpness and contrast even at maximum aperture and can also be used at other points in the optical path to reduce distortion. Well-designed aspherical elements can reduce the total number of elements required in the lens, thus reducing overall size and weight. Advanced Aspherical (AA) elements are an evolved variant, featuring an extremely high thickness ratio between the center and periphery. AA elements are exceedingly difficult to produce, relying on the most advanced molding technology to consistently and precisely achieve the required shape and surface accuracy, resulting in significantly improved image accuracy and quality.

ED (Extra-Low Dispersion) Glass

As focal lengths get longer, lenses built with conventional optical glass have difficulties with chromatic aberration, and as a result images suffer from lower contrast, lower color quality, and lower resolution. ED glass dramatically reduces chromatic aberration at telephoto ranges, and provides superior contrast across the entire image, even at large aperture settings. Super ED glass provides enhanced compensation for chromatic aberration.

Lens-Based Optical Image Stabilization

Gyro sensors built into the lens detect even the slightest movement, and the stabilization lens is precisely shifted to counteract any image blur that might occur. The use of precision, quiet linear motors and technology inherited from high-end Sony professional camcorders results in exceptionally quiet, effective image stabilization that contributes to high-quality movies as well as stills.

Internal Focusing

Only the middle groups of the optical system move to achieve focus, so the overall length of the lens does not change. Other important benefits include fast autofocusing and a short minimum focusing distance. Also, the filter thread at the front of the lens does not rotate, which is convenient if you?re using a polarizing filter.


  • Mount Material: Metal
  • Lens Mount Type: Sony E-mount
  • Lens Stabilization: Optical SteadyShot
  • Minimum Focus Distance: 17.7 - 37.4" 0.45 - 0.95m
  • Lens Groups-Elements: 12 groups, 16 elements
  • Filter Diameter: 72mm
  • Lens Type: Sony E-mount
  • Lens Weight: 15.1 oz. (427 g)
  • Aperture (Max.): f/4.0
  • Aperture (Min.): f/22
  • Aperture: Circular
  • Maximum Magnification: 0.11x
  • Focal Length (35mm Equivalent): 18-105mm (35mm) 27-157.5mm (APS-C)
  • Aperture Blade: 7 blades (Circular aperture)
  • Angle of View: 76 Degrees - 15 Degrees (APS-C)
  • Focus System: Power Zoom
  • Image Stabilization: Optical SteadyShot
  • Color: Black

Weights and Measurements

  • Dimensions (Approx.): 3-1/8" x 4-3/8" (78 x 110 mm)
  • Weight (Approx.): 15.1 oz. (427g)

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Sony SELP18105G - E PZ 18-105mm f/4 G OSS Power Zoom Lens

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