 | This super-wide-angle lens is ensured minimal light-fall-off with superior peripheral brightness. The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus images in the foreground and background. This is an ideal DG lens optimized Digital SLR camera.The minimum focusing distance of this lens is 20cm (7.9 inch) and it has maximum magnification of 1: 4 with fast F 1.8 maximum aperture. The minimum focusing distance of 20cm (7.9 inch) and 94.5? angle of view allow close up photogr ..... more info |
Tag Archive | "Aspherical"
Tags: 20mm, Aspherical, f/1.8, Sigma, Wide
Sigma 20mm f/1.8 EX DF RF Aspherical Wide
Posted on 21 July 2009 by admin
Tags: 1224mm, Aspherical, f/4.55.6, Sigma
Sigma 1224mm f/4.55.6 EX DG IF HSM Aspherical
Posted on 21 July 2009 by admin
 | This Sigma 12-24mm F4.5-5.6 lens has a large variable angle of view from 122° super wide-angle (at 12mm/diagonal axis) to 84.1°. The 4 Special Low Dispersion (SLD) glass elements enable effective compensation of color aberration, which is a common problem with super-wide angle lenses. Features an inner focusing system that keeps the length of the lens unchanged while controlling aberration; a minimum focusing distance of 11 at all focal lengths; and it\'s equipped with a Petal-type hood to blo ..... more info |
Tags: 1224mm, Aspherical, f/4.55.6, Sigma
Sigma 1224mm f/4.55.6 EX DG IF HSM Aspherical
Posted on 21 July 2009 by admin
 | This ultra wide angle zoom lens offers 122 degree super wide angle of view along the diagonal axis. The super-wide angle\'s useful range of view offers the photographer greater freedom of expression. This lens is equipped with a fixed Petal-type hood to obtain a superior extraneous light-blocking effect. Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of molded glass a ..... more info |
Tags: 20mm, Aspherical, f/1.8, Sigma, Wide
Sigma 20mm f/1.8 EX DG RF Aspherical Wide
Posted on 21 July 2009 by admin
| | This super-wide-angle lens is ensured minimal light-fall-off with superior peripheral brightness. The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus images in the foreground and background. This is an ideal DG lens optimized Digital SLR camera. ..... more info |
Tags: 28mm, Aspherical, f/1.8, Large, Macro, Sigma
Sigma 28mm f/1.8 EX DG Aspherical Macro Large
Posted on 21 July 2009 by admin
 | This lens has a macro focusing capability with fast F1.8 maximum aperture, which is ideal for Digital SLR cameras.This lens is capable of Macro photography, with minimum shooting distance of 20cm (7.8 inch) (reproduction ratio 1: 2.9) and angle of view is 75.4. You can take picture not only the subject but also the surrounding scenery.The lens has an advanced optical construction, in order to obtain adequate peripheral brightness with open aperture. Also, the iris diaphragm has 9 diaphragm blade ..... more info |
Tags: 20mm, Aspherical, f/1.8, Sigma, Wide
Sigma 20mm f/1.8 EX DG RF Aspherical Wide
Posted on 21 July 2009 by admin
 | This super-wide-angle lens is ensured minimal light-fall-off with superior peripheral brightness. The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus images in the foreground and background. This is an ideal DG lens optimized Digital SLR camera.The minimum focusing distance of this lens is 20cm (7.9 inch) and it has maximum magnification of 1: 4 with fast F 1.8 maximum aperture. The minimum focusing distance of 20cm (7.9 inch) and 94.5? angle of view allow close up photogr ..... more info |
Tags: 24mm, Aspherical, f/1.8, Large, Macro, Sigma
Sigma 24mm f/1.8 EX DG Aspherical Macro Large
Posted on 21 July 2009 by admin
 | This large-aperture wide-angle lens is equipped macro focusing capability with a maximum magnification of 1: 2.7 and fast F1.8 maximum aperture. The use of aspherical lenses is offered for superior peripheral brightness and compensation of aberrations and astigmatism. This is an ideal DG lens for Digital SLR cameras. ..... more info |
Tags: 1735mm, Aspherical, f/2.84, Sigma
Sigma 1735mm f/2.84 EX DG IF HSM Aspherical
Posted on 21 July 2009 by admin
 | Kit includes: 1) Sigma 17-35mm EX DG IF HSM Aspherical Zoom Lens; 2) 6-Piece Cleaning Kit; 3) Sigma Spudz Microfiber Cleaning Cloth; 4) Hoya 77mm UV Protector Filter. ♦ Sigma 17-35mm Lens includes: Front & Rear Lens Caps; Lens Hood; Instructions; Sigma USA Warranty. ♦ The Sigma 17-35mm has an internal focusing system which eliminates front lens rotation. This makes it easy to use with circular polarizing filters plus it enables using a more effective petal-shaped lens hood to reduce flare as ..... more info |
Tags: 20mm, Aspherical, f/1.8, Sigma, Wide
Sigma 20mm f/1.8 EX DG RF Aspherical Wide
Posted on 21 July 2009 by admin
| | This 20mm super-Wide Angle Lens offers an angle of view of 94.5 and a large aperture of F1.8. It allows close-ups with a minimum focusing distance of less than 20cm and a working distance lens to subject of 6.5cm ..... more info |
Tags: 1224mm, Aspherical, f/4.55.6, Sigma
Sigma 1224mm f/4.55.6 EX DG IF HSM Aspherical
Posted on 21 July 2009 by admin
| | Sigma will always be guaranteed a place in the history books as pioneers of the wide-angle zoom lens. Our advanced super wide angle technology was developed far earlier than any of our competitors. Sigma designed and produced the first wide-angle zoom lens, the zoom gamma 21-35mm F3.5-4.2, in 1979. The wide-angle zoom category didn\'t even exist before this date. The market comprised only standard and telephoto zoom lenses with most people believing that wide angle zooms were impossible to devel ..... more info |
Tags: 1735mm, Aspherical, f/2.84, Sigma, Super
Sigma 1735mm f/2.84 EX DG IF Aspherical Super
Posted on 21 July 2009 by admin
| | Kit includes: 1) Sigma 17-35mm EX DG IF Aspherical Zoom Lens; 2) 6-Piece Cleaning Kit; 3) Sigma Spudz Microfiber Cleaning Cloth; 4) Hoya 77mm UV Protector Filter. ♦ Sigma 17-35mm Lens includes: Front & Rear Lens Caps; Lens Hood; Instructions; Sigma USA Warranty. ♦ The Sigma 17-35mm has an internal focusing system which eliminates front lens rotation. This makes it easy to use with circular polarizing filters plus it enables using a more effective petal-shaped lens hood to reduce flare as muc ..... more info |
Tags: 24mm, Aspherical, f/1.8, Large, Macro, Sigma
Sigma 24mm f/1.8 EX DG Aspherical Macro Large
Posted on 21 July 2009 by admin
| | Sigma 24mm f1.8 EX DG Aspherical Macro is one of the EX Series lenses. This lens has a fast F1.8 maximum aperture with macro focusing capability of minimum focusing down to 18cm/7.1inches (reproduction ratio 1:2.7). The iris diaphragm has 9 diaphragm blades to obtain beautiful out of focus image. It incorporates the floating focus system and uses two aspherical lens elements for minimizing distortion and spherical aberration and astigmatism. Internal focus system eliminates front lens rotation, ..... more info |
Tags: 1224mm, Aspherical, f/4.55.6, Sigma
Sigma 1224mm f/4.55.6 EX DG IF HSM Aspherical
Posted on 21 July 2009 by admin
| | Sigma will always be guaranteed a place in the history books as pioneers of the wide-angle zoom lens. Our advanced super wide angle technology was developed far earlier than any of our competitors. Sigma designed and produced the first wide-angle zoom lens, the zoom gamma 21-35mm F3.5-4.2, in 1979. The wide-angle zoom category didn\'t even exist before this date. The market comprised only standard and telephoto zoom lenses with most people believing that wide angle zooms were impossible to devel ..... more info |
Tags: 1530mm, Aspherical, f/3.54.5, Sigma, Ultra
Sigma 1530mm f/3.54.5 EX DG IF Aspherical Ultra
Posted on 21 July 2009 by admin
 | This rectilinear 15-30mm f3.5-4.5 EX Aspherical DG DF lens provides focal lengths from 15mm ultra-wide angle to 30mm wide-angle and is the first of its kind in the world.This lens has minimum focusing distance of 11.8 inches (30 cm) at all focal lengths with 110.5 degrees (wide) to 71.6 degrees (tele) of angle of view. (Maximum magnification is 1: 6.)It incorporates hybrid aspherical lens in the front lens group to minimize distortion and astigmatism, and molded glass aspherical lens in the rear ..... more info |
Tags: 28mm, Aspherical, f/1.8, Large, Macro, Sigma
Sigma 28mm f/1.8 EX DG Aspherical Macro Large
Posted on 21 July 2009 by admin
| | This large aperture Wide Angle Lens boasts a maximum magnification of 1:2.9. Its floating focus system enables close-ups up to a minimum shooting distance lens to subject of less than 20cm. ..... more info |
