“BELOMO EWP FISHEYE LENS MS 3.5/8A” Photographic Lens
One of the basic advantages of 3.5х8а Lens is its appearance. The Lens has a pleasant and ergonomic design. Thanks to application of special technologies and special optical scheme it is rather light and compact.
The materials which are being applied for 3.5х8 Lens production - glass and metal, of course, demand care, but not such care as in case of application of plastic which is being very often applied by foreign manufacturers of the similar lenses. Our lenses can be used more efficiently than those made of plastic and will serve for longer period than plastic lenses. Quality of lenses will satisfy both the requirements of skilled amateur photographers, as well as a considerable part of the requirements of the strict professionals.
3.5х8а Lens is designed in minimalistic style for increase of reliability. It has all necessary components and nothing superfluous. It allows to fulfil all tasks. It deliberately does not contain electronic components, it is completely manual since in practice such type of lenses does not need electronic components in view of very small focal distances. Electronic components, certainly, increase convenience, but reduce the service life of the lens. As it is generally known, the less parts the device has, the less chances that something will be broken. We adhered to this concept in the course of development of the Lens. Electronic components account for approximately 30% of the parts of the Lens, accordingly the chances of breaking of the Lens in case of absence of electronic components decrease by 30 %.
Relative aperture «3,5» testifies of the sufficient lens aperture which allows to receive a light-coloured image in the viewfinder of the reflex camera and to perform photographing under low illumination conditions. In this respect the lens is not worse than the foreign analogues. Chromatic aberrations which are practically inevitable in similar optical systems are rather insignificant and are at the level of the foreign analogues. At that they can be easily corrected in the corresponding sections of Photoshop program.
The lens depth of field is rather great, however in practice there can be a deceptive impression that the scales of depth of field do not absolutely precisely correspond to the real image.
Focal distance, mm
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8,16±0,25
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Relative aperture
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1:3,33 ÷ 1:20,0
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Field of view angle, deg.
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180
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Resolution, mm:
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in the centre
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55
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edges
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15
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Minimum distance at taking a picture, m
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0,22
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Transmission factor
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0,7
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Overall dimensions, mm diameter/length
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73×65,5
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Weight,
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0,45
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