Fujinon High-Resolution Manual Zoom Lens YV2.7X2.9SA-SA2L
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The lens barrel is made of black engineering plastic. From front to rear, it consists of: a sun hood to reduce stray light interference and prevent dust, a zoom ring for easy control, a zoom ring mounting bracket and screw, an automatic / manual aperture, a focus ring and its mounting screw, and a wear-resistant stainless steel C- mount. In addition to a damping design, the zoom ring and focus ring are also designed with a ring of gears for easy and precise adjustment.
In recent years, with the continuous innovation of security technology, high-definition (HD) technology has been widely applied, and HD cameras have gradually replaced standard-definition (SD) cameras, becoming the mainstream in the market. HD cameras provide users with better image quality and more detailed information, reducing the farcical "Tetris-like" image quality. The HD effect of a camera relies not only on higher-pixel image sensors, better ISP technology, and more efficient storage technology, but also on HD lenses. Without a matching HD lens, an HD camera cannot achieve its intended HD effect.
High-definition lenses, also known as megapixel lenses, offer advantages over ordinary lenses, including higher resolution, stronger spectral transmission, and more precise manufacturing. Generally, the resolution at the center of the image circle and the 0.7 field of view are used as the standard for judging lens sharpness; only lenses with a resolution of 1000 TVLines or higher at both the center of the image circle and the 0.7 field of view are considered high-definition lenses.
Detailed technical specifications of YV2.7X2.9SA-SA2L :
YV2.7X2.9SA-SA2L | ||
1/3 size | ||
Interface CS | ||
Focal length 2.9–8mm (2.6x) | ||
Aperture range F1.2 to Close | ||
Operation method | zoom Manual | |
Focus Manual | ||
Aperture DC Auto | ||
Perspective | 1/3 " | Wide-angle end: 96 ° 33 ′ x 70 ° 44 ′ |
Long angle 35 ° 02 ′ x 26 ° 17 ′ | ||
Minimum Object Distance ( MOD ) 0.3m | ||
Back focal length (aerodynamic length): 7.70mm | ||
Exit pupil (from the imaging plane): 314mm | ||
Weight 50g | ||
Remark Metal interface
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