Sigma 883955 - 18-250mm F3,5-6,3 DC MACRO OS HSM Nikon

171982

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18-250mm F3.5-6.3 DC Macro OS HSM lens is equipped with Super Multi-Layer Coating to reduce...
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Prix constructeur :
533,89 CHF HT

Prix Visuals :

427,11 CHF


461,71 CHF TTC  

Rectangle
Garantie : garantie Garantie Visuals 12 mois
Service interne : révision, réparation & backup.

Disponibilité : clock

Délai habituel entre 6 et 8 semaines


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171982
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Sigma 18-250mm F3,5-6,3 DC MACRO OS HSM Nikon

Sigma have produced a remarkable lens thanks to their complete optical and structural redesign of the 18-250mm design. Its compact size is complemented in equal measure by its minimum focusing distance of just 35cm (a reproduction ratio of 1:2.9). It is also remarkably stable in varying temperatures because of its TSC (Thermally Stable Composite) construction.

The 18-250mm focal length range will cover all focal lengths for everyday photography - right from wide angle to long telephoto, and it is designed solely for APS-C sized sensors found in most DSLRs.

Other important features include a hard plated brass made bayonet mount and optical image stabilisation to aid handholding in low light or action shots and avoid blur from camera shake. A hyper sonic motor (HSM) ensures fast and quiet focusing, a rounded diaphragm provides natural looking defocus effects and the optics have Super Multi-Layer coatings to help reduce unwanted ghosting and flare effects.


Features

Excellent for macro photography

Close-up capability is improved with the minimum focusing distance of 35cm throughout the entire zoom range, and maximum magnification ratio of 1:2.9. In APS-C size equivalent, macro photography with approximately 1:2 magnification ratio is possible. In addition, with this lens, the size and flaming of subjects can be adjusted by rotating a zoom ring, making macro photography easier than using fixed focal macro lens. For further convenience, the maximum magnification ratio at each focusing distance appears on the side of the lens barrel.

Revolutionizing the design foundation results in compact size

Optimization of the power arrangement by such as incorporating double-sided aspherical lenses, and reexamination of design, the filter diameter size is reduced. This compact size lens has the approximately 13x high zoom ratio with the filter size of diameter 62mm, and dimensions of diameter 73.5mm x Length 88.6mm. It ensures portability and overall ease of use, making it perfect for travel and leisure photography.

New material TSC (Thermally Stable Composite)

The new material "TSC (Thermally Stable Composite)", which has little contractility especially in temperature changes, as well as maintaining firmness, is incorporated into the lens barrel. Compared to Polycarbonate which is generally used, TSC has higher elasticity by approximately 25%. Since thermal shrinkage is low, it has high affinity to metal parts which contributes to high quality product manufacturing. It also contributes to the parts such as the zoom ring and scaling to be slimmer.

Brass made bayonet mount

This lens incorporates brass made bayonet mount which has both high accuracy and solidity, same as the mount for camera body. The special treatment to reinforce the strength is applied on the surface to make it a high quality lens that is resistant for long-term use.

Optical Stabilizer (OS)

Sigma's own unique Optical Stabilizer (OS) function is incorporated. It offers effective correction of approximately 4 stops, which makes it possible to compensate camera shake even in macro range photography where a small blur can be easily identified. When photographing a moving subject such as motor sport, it automatically detects camera move, and offers effective correction for camera shake.

NB. The OS effectiveness will gradually decrease as the shooting distance becomes shorter.


Superior optical performance

SLD (Special Low Dispersion) glass element offers excellent correction of color aberration. Three aspherical lenses including double-sided aspherical lens together with the latest design, prevent and correct all types of aberrations including astigmatism, achieving high quality images throughout the entire zoom range.

Flare and ghosting conscious design blades

From an early stage, flare and ghosting are thoroughly measured to establish the design which is resistant to strong incident light such as backlight. Super Multi-Layer Coating reduces flare and ghosting, and provides sharp and high contrast images even in backlit conditions. Supplied petal-type hood can be attached to block out extraneous light which has a harmful influence on rendering of the lens, and prevent internal reflections to occur.

Hyper Sonic Motor (HSM) is incorporated

The HSM (Hyper Sonic Motor) ensures fast and quiet auto-focusing.


 

 



Specifications



 



Product type



lens



Bayonet connection



Nikon F-mount



Lowest focal length



18 mm



Highest focal length



250 mm



Image stabilizer



Yes



Recording distance up to at least



0.35 m



Autofocus



Yes



Cover



f / 3.5-6.3



Aperture blades



7th



Group number



13



Filter diameter



62 mm



Lens number



16



Lens classification



DC, OS, HSM



Scope of application



Travel, nature, macro, portrait, landscape



Diameter



73.5 mm



Length



88.6 mm



Weight



470 g



Focal length



18 - 250 mm




 


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