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The Sigma APO 150-500mm F5-6.3 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It contains three SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumer level photographers, and is available in Nikon, Canon, Pentax and Sigma camera mounts.
The Sigma 50-500mm f / 4-6.3 EX DG HSM is a super-telephoto zoom lens produced by Sigma Corporation. It contains four SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration.
The Sigma APO 150-600mm F5-6.3 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It is actually a range of two slightly different lenses based on a common design: the Sports and Contemporary. Both lenses feature similar specifications, but there are some notable differences.
18mm f/2.8 Cine Lens [478] 21mm f/1.5 Cine Lens [479] 25mm f/1.4 Cine Lens [480] 35mm f/1.2 Cine Lens [481] 50mm f/1.1 Cine Lens [482] 75mm f/1.4 Cine Lens [483] Photo Lens 35mm f/1.7 Lens [484] Thingyfy. Pinhole Pro S 11mm (pinhole lens) (0.14mm aperture) [485] Pinhole Pro S 26mm (0.1-0.8mm aperture) [486] Pinhole Pro X 18-36mm (F160-240) [487 ...
Ballistic sunglasses or prescription eyeglasses must meet the same requirements. In brief, the U.S. military standard requires that ballistic eyewear must be able to withstand up to a 3.8 mm (.15 caliber) projectile at 195 m/s (640 ft/s)) for spectacles and 5.6 mm (.22 caliber) projectile at 168–171 m/s (550–560 ft/s) for goggles.
The other five contacts are used to encode the lens's aperture range. Each contact on the lens is either conducting or non-conducting, providing a binary 1 or 0, respectively. Two contacts encode the lens's minimum aperture— f /16, f /22, f /32 or f /45; although no Pentax K-mount lens has ever had an f /16 minimum aperture, OEM lenses often ...
Tokina AT-X Pro 12–24 f /4.0 lens Tokina Co., Ltd. ( 株式会社トキナー , Kabushiki-gaisha Tokinā ) is a Japanese manufacturer of photographic lenses and CCTV security equipment. Lens designations
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