Sigma 18-35mm F1.8 DC HSM SLR Standard zoom lens Black
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Sigma 18-35mm F1.8 DC HSM. Component for: SLR, Lens structure (elements/groups): 17/12, Lens type: Standard zoom lens. Camera brands compatibility: Canon. Product colour: Black. Diameter: 7.8 cm, Filter size: 7.2 cm, Length: 121 mm
Beschreibung
Sigma 18-35mm F1.8 DC HSM SLR Standard zoom lens Black
Introducing a newlarge-aperture
APS-C format standard zoom lens.
Once again, SIGMA sets a new standard.
Image quality until now found only in a fixed focal length lens. The definitive large-aperture APS-C format standard zoom lens.
A large-aperture fixed focal length lens is great for achieving expressive bokeh effects and enjoying ultra-high optical performance. On the other hand, photographers often need to change the angle of view to properly capture the scene that presents itself. To solve this decades-long dilemma, SIGMA proudly introduces the 18-35mm F1.8 DC HSM next-generation large-aperture APS-C format standard zoom lens for digital SLR cameras. Taking on the challenge of creating the worlds first wide-aperture lens to offer an aperture of F1.8 throughout the zoom range, SIGMA has succeeded in creating a zoom lens that offers the same high optical performance of a fixed focal length lens. These outstanding performance characteristics are especially apparent in an APS-C format camera, since it has a slightly greater depth of focus than a full-frame camera. This is a revolutionary lens that overturns preconceptions while expanding the range of photographic expression.
HSM Hyper Sonic Motor
HSM Hyper Sonic Motor delivers high AF speed and extremely quiet performance. An optimized algorithm offers even smoother automatic focusing, and full-time manual focus override is another key feature.
Incorporating an Inner Focus system
The lens incorporates a rear focus system that prevents focus-dependent variation in aberration, making high-level image quality possible throughout the entire image. With their unchanging barrel length, these lenses also enhance balance and stability for the photographer. Furthermore, since the front of the lens does not rotate, polarizing filters can be used with extra convenience.
TSC Thermally Stable Composite
A first for the industry, the barrel of the lens features a new
TSC Thermally Stable Composite that offers minimal thermal shrinkage combined with exceptional hardness. It also offers 25 greater elasticity than polycarbonate. Since its thermal shrinkage is low, TSC matches well with metal parts, further contributing to the high-precision construction of the lens. TSC also makes possible slimmer forms for parts like zoom rings and scaling rings.
Flare and ghosting reduction
From an early stage in the lens design process, flare and ghosting have been measured to establish an optical design resistant to strong incident light sources such as backlighting. SIGMAs Super Multi-Layer Coating reduces flare and ghosting to help photographers produce sharp and high contrast images even in backlit conditions. The included lens hood can be attached to block out extraneous light, which can have a negative effect on rendering performance.
High-precision, rugged brass bayonet mount
The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens.
Datenblatt
Lens system | |
---|---|
Component for: | SLR |
Lens structure elements/groups: | 17/12 |
Lens type: | Standard zoom lens |
Minimum aperture number: | 16 |
Closest focusing distance: | 0.28 m |
Maximum aperture number: | 1.8 |
Zoom capability: | Yes |
Lens mount interface: | Canon EF |
Lens viewing angle, diagonal: | 44.2 - 76.5° |
Focal length range: | 18 - 35 mm |
Number of diaphragm blades: | 9 |
Macro ratio: | 1:4.3 |
Internal focus IF: | Yes |
Performance | |
Camera brands compatibility: | Canon |
Auto focus: | Yes |
Lens hood: | Yes |
Design | |
Product colour: | Black |
Weight & dimensions | |
Diameter: | 7.8 cm |
Filter size: | 7.2 cm |
Length: | 121 mm |
Weight: | 810 g |
Packaging content | |
Lens cap included: | Yes |
Rear lens cap included: | Yes |
Hinweis: Die Beschreibung und das Datenblatt werden von Icecat zur Verfügung gestellt. Für die Richtigkeit und Vollständigkeit der aufgeführten Daten wird keine Haftung übernommen.
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