SIGMA 8mm f/3.5 EX DG Circular Fisheye (Nikon) Obiectiv aparat foto

SIGMA 8mm f/3.5 EX DG Circular Fisheye (Nikon) Obiectiv aparat foto

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Compatibil cu tip montare baionetaBaioneta Nikon
Tip obiectivObiectiv ochi de peste
Obiectiv fixDa
Obiectiv cu zoomNu
Stabilizator imagineNu

Formate compatibile pentru senzor de imagine

Tip senzor imagine APS-CNu
Tip senzor imagine Full frame (35 mm)Da
Tip senzor imagine 4/3Nu
Serzor de imagine de format mediuNu
Tip senzor imagine CXNu

Alte caracteristici

Distanta focala8 mm
Deschidere minima diafragmaf/22
Deschidere maxima diafragmaf/3.5
Constructia obiectivului11/6 elemente obiectiv/grupuri
Numar de lamele ale diafragmei6
Zoom maxim0.217 x
Distanta minima de focalizare13.5 cm


Diametru73.5 mm
Lungime68.6 mm
Greutate400 g

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The Sigma 8mm f/3.5 EX DG is a spherical fisheye lens that easily captures a full 180° view in all directions, in a circular image. Even the most familiar and mundane of subjects can be portrayed with startlingly fresh new expressions through exaggerated perspectives and unusual distortion effects. Well suited for academic and technical measurements such as solid angle measurements, cloud cover measurements & virtual reality. Note! Full circle can only be captured with 35mm format digital SLR and film SLR cameras. AF not supported by D40 and D60 cameras. Improvements This improved version offers a brighter f/3.5 aperture, with a vastly improved minimum focusing distance of 5.3" (13.5 cm) and a maximum magnification of 1:4.6. Circular Image This circular fisheye lens can be used to create circular images with an angle of view of 180°. It permits creative expression through the exaggerated perspectives and unusual distortion effects. DG Design The improved DG lens design corrects for various aberrations. This lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor. The lens provides the utmost correction against lateral chromatic aberration which is a serious problem for digital SLR cameras. Equipped with AF This extreme fisheye lens is unique as it incorporates an auto focus system to get accurate focusing that might be difficult through finder due to extremely large depth of field. Ideal for Scientific Applications This lens is useful for academic/technical applications such as solid angle measurements, because it provides a quantifiable angle/area relationship. It is widely used in science and industry for cloud cover measurements, weather observation, astronomical studies, agriculture etc. Gelatin Filter Holder The lens is supplied with an insertion-type gelatin filter holder at the rear allowing the use gelatin filter.
Denumiri similare la Obiectiv aparat foto SIGMA 8mm f/3.5 EX DG Circular Fisheye (Nikon): 8 mm f 3 5 EX DG Circular Fisheye Nikon, 8mmf35EXDGCircularFisheyeNikon, 8 mm f/3.5 EX DG Circular Fisheye (Nikon), 8mm f/3.5 EX DG Circular Fisheye ( Nikon)

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