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USED SONY A 18-250 3.5-6.3 DT 8+

Web Code: UU16350 8+
SONY ALPHA DT 18-250 F3.5-6.3 ZOOM LENS
*Photos for illustrative purposes only
Only $199.99 CAD
Used Product Condition: (8+) help text
 
Limited Stock
Additional shipping charges may apply.
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Accessories Included With Used Lenses: All used lenses come with front and back caps. Other accessories such as hoods, boxes or pouches may be included if they were part of the original trade-in, but are not guaranteed. Included accessories may not be original manufacturer parts.

Buy with confidence. All used equipment purchased at Henry’s has been cleaned and tested, and includes a 90-Day Used Warranty, which covers both parts and labour.

Plus, for only pennies a day, you can upgrade your warranty by up to 3 years with Henry’s Extended Life Plan (HELP).

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We rate the condition of all of our used goods. At the end of the product name you will see a number that represent the condition code. This product is rated:

8+: 90-99% of original finish.

Gently used. Slightly marred finish revealed under close inspection. Optically and mechanically excellent.

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ALL of our used goods have limited quantities. Typically only one of each. These used goods are available for sale in our retail stores. When we sell on line, we pull back from our stores to ship to you. In the rare case that the item is sold in the store before your on-line order is picked, we will contact you to either change or cancel your order.

Your credit card is never charged until we ship the goods. Your order will be confirmed within 3 business days.

Product Highlights
  • High Magnification Zoom Lens
  • Compact, Lightweight Design
  • Internal Focusing System
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  • High Magnification Zoom Lens
  • Compact, Lightweight Design
  • Internal Focusing System
  • Filter Diameter - 62mm
  • ED (Extra-low Dispersion) Glass
  • 14X Zooming Range
  • 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
  • Alpha 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
  • Distance encoder:
  • The distance encoder plays an integral part in ADI flash metering, which delivers high precision flash metering that is unaffected by the reflectance of subjects or backgrounds The distance encoder is a lens component that directly detects the position of the focusing mechanism, and sends a signal to the CPU in order to measure distance to the subject During flash photography, this data is very useful in calculating how much flash output is appropriate to the scene
  • 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
 
 
 
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