Sigma today announced three new lenses, an all new 18 - 125 mm F3.5 - F5.6 DC (designed specifically for digital SLR's) as well as putting some official specifications behind their recently announced 4/3 System lenses, the 18 - 50 mm F3.5 - F5.6 4/3 DC and the 55 - 200 mm F4.0 - F5.6 4/3 DC. The 18 - 125 mm will be of interest to all digital SLR owners as it offers a small, lightweight 7x zoom capability. The 18 - 50 mm and 55 - 200 mm 4/3 DC lenses should also be of interest to Olympus E-1 owners but in my opinion hint more towards a more 'affordable' 4/3 System digital SLR coming from Olympus in the not to distant future.
Equivalent 'Field of View' for digital SLR's
- 18 - 125 mm on a 1.5x (APS size) digital SLR: 27 - 187.5 mm equiv.
- 18 - 50 mm on a 4/3 digital SLR: 36 - 100 mm equiv.
- 55 - 200 mm on a 4/3 digital SLR: 110 - 400 mm equiv.
18-125mm F3.5-5.6 DC
Exclusively Designed for use with digital SLR cameras and has 6.9 times high magnification zoom ratio
Sigma Corporation is pleased to announce the launch of the new 18-125mm
This zoom lens was exclusively designed for use with digital Single-Lens Reflex (SLR) cameras and has 6.9 times high magnification zoom ratio. Image circle is designed to match the size of the image sensor of digital SLR cameras.
A Special Low Dispersion (SLD) and two pieces of aspherical glass elements produce high level of optical performance through the entire zoom range and also this has resulted in a compact, lightweight lens.
This lens has a minimum focusing distance of 50cm (19.6") at all focal lengths and equipped with inner focusing system. Since the front of the lens does not rotate, "Petal-type hood" and a circular polarizing filter can be easily attached and used. This lens is also equipped with Zoom Lock Switch that eliminates "Zoom Creep".
18-125mm F3.5-5.6 DC specifications
|Focal Length||18 - 125 mm|
|Lens Construction||15 Elements in 14 Groups|
|Angle of View||69.3°- 11.4°|
|Number of Diaphragm Blades||7 pcs|
|Minimum Focusing Distance||50cm (19.6")|
|Filter Size||62 mm|
|Lens Hood||Petal Hood|
|Mounts (AF)||Sigma, Canon, Nikon (D), Pentax|
|Dimensions (dia x len)||70 mm (2.7") x 77.7 mm (3")|
|Weight||To be determined|
18-50mm F3.5-5.6 DC
Compact-Lightweight zoom lens for the "Four Thirds System (4/3 System)" Digital SLR Camera System standard.
Sigma Corporation is pleased to announce the launch of the new 18-50mm
F3.5-5.6 DC? for the Four Thirds Digital SLR Camera System. This zoom
lens was exclusively designed to suit the characteristics of digital SLR
cameras. The image circle was designed to match the size of the image
sensors of digital SLR cameras, and this produced a compact and lightweight
lens. The use of aspherical lenses provides correction for various aberrations
throughout the entire zoom range and produce high level of optical performance.
18-50mm F3.5-5.6 DC lens has a minimum focusing distance of 25cm (9.8")
at all focal lengths and is capable of macro photography with a maximum
magnification ratio of 1:3.5.
* If Olympus E-1 digital cameras is used, the angle of view will be equal to 36-100mm focal length.
18-50mm F3.5-5.6 DC specifications
|Focal Length||18 - 50 mm|
|Lens Construction||8 Elements in 8 Groups|
|Angle of View||62° - 24.4°|
|Number of Diaphragm Blades||7 pcs|
|Minimum Focusing Distance||25 cm (9.8")|
|Filter Size||58 mm|
|Lens Hood||Bayonet Hood|
|Dimensions (dia x len)||67.5 mm (2.6") x 62 mm (2.5")|
|Weight||250 g (8.7 oz)|
55-200mm F4-5.6 DC
High-performance Telephoto Zoom Lens, designed for "Four Thirds System (4/3 System)" Digital SLR Camera System standard.
Sigma Corporation is pleased to announce the launch of the new 55-200mm
F4-5.6 DC for the Four Thirds Digital SLR Camera System.
This compact telephoto zoom lens was exclusively designed for use with digital SLR cameras. The image circle was designed to match the size of the image sensors of digital SLR cameras that also allows compact body and lightweight. This remarkably compact high performance zoom lens is ideally suited to a wide range of subjects and lens has a minimum focusing distance of 110cm (43.3") and maximum magnification of 1:4.
* If Olympus E-1 digital cameras is used, the angle of view will be equal to 110-400mm focal length.
55-200mm F4-5.6 DC specifications
|Focal Length||55 - 200 mm|
|Lens Construction||10 Elements in 9 Groups|
|Angle of View||22.2° - 6.2°|
|Number of Diaphragm Blades||8 pcs|
|Minimum Focusing Distance||110 cm (43.3")|
|Filter Size||55 mm|
|Lens Hood||Bayonet Hood|
|Dimensions (dia x len)||71.5 mm (2.8") x 87.1 mm (3.4")|
|Weight||310 g (10.9 oz)|
|First, Let me check its expiry date. by rajeev22675|
from Best Photo of the Week
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from Best Astrophotography Landscape #4
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