Sigma’s 4.5mm F2.8 EX DC circular fisheye HSM creates an image that is circular, curved, distorted view of reality when used on digital SLR camera. One of most unusual lenses photographer can use as it produces circular image within black surrounding frame. It is ideal for landscapes and panoramic photography. Because of its equisolid angle projection system, lens can be used for scientific applications. Minimum focusing distance of 5.3-inch allows photographer to have fun with placement of subjects extremely near to camera with distorted backgrounds. SLD (special low dispersion) glass employed for effective compensation of color aberration, super multi-layer lens coating reduces flare and ghosting and assures high image quality throughout entire focal range. In hands of photographer looking for creative expression and opportunity to explore and create, this is ultimate creative tool. The results are captivating.
First circular fisheye designed for APS-C sensors
180 degrees angle of view for exaggerated close ups
Carrying case, front/rear caps and front adapter ring
Suitable for landscape, wedding, events, nature, wildlife and specialty photography
Designed for APS-C size sensors so that image circle matches smaller size of mage sensor of most digital SLR cameras
Specialized design gives these lenses ideal properties for digital cameras, compact and lightweight construction is an added bonus
HSM lens uses motor driven by ultrasonic waves to provide quiet, high-speed AF
To ensure stability in focusing, this lens moves inner lens groups without changing lens physical length
Exterior of this lens is EX-finished to denote superior build and optical quality and to enhance its appearance
Camera Lens Type - Other
Warranty - Yes
Lens Construction:
13 Elements in 9 Groups
Angle of View:
180 °
Number of Diaphragm Blades:
6
Mininum Aperture:
f22
Maximum Magnifications:
1:6
Sigma mount:
HSM, EX, DC
Nikon mount:
HSM, EX, DC
Canon mount:
HSM, EX, DC
Dimensions:
(Dia) 3 x (L) 3.1 in
Focal Length (Minimum):
5.30 in
Lens Type:
Circular Fisheye
Height:
5.10 in
Product Weight:
1.04 lbs
Color:
Black
Warranty (Length/Type):
1-year Standard + 3-year Extended Service