|Smooth Transmission Focus - While subjects remain in sharp focus, out-of-focus backgrounds or foregrounds are blurred smoothly and evenly with gradation that thickens toward the edges of the frame for a pleasing aesthetic effect Transmissive Brightness - After light passes through the apodization element, the lens aperture of f2.8 yields a T (transmissive brightness) equivalent of 4.5; a manual aperture ring can adjust T setting from 4.5 to 6.7. Wide Focus Ring - The dedicated manual focusing system is controlled by a wide focus ring that's comfortable to hold and gives you a solid, hands-on feel for pinpoint focusing of your subject. Circular Aperture - Because aperture blades form a near circle at the wide openings used for low-light shots, spot-light sources have a pleasing circular defocused effect. Product Specifications: Optics/Lens Lens Type: Standard & Medium Telephoto Aperture (Max.): f/2.8 Aperture (Min.): f/31 Filter Diameter: 72mm Lens Groups-Elements: 8 group, 6 elements Minimum Focus Distance: 0.87m Aspheric Elements: no aspheric Depth-of-Field: Yes Distance Encoder: Yes Angle of View: 18 degrees (12 degrees 35mm equivalent) Aperture Blade: 9 aperture blades Dimensions (Max. Diameter x Length): 80mm x 99mm Focal Length (35mm equivalent): APS: 202.5mm (35mm Equivalent: 135mm) Magnification: x 0.25 Drive System Burst Mode Weights and Measurements Dimensions (Approx.): 3 1/8 x 3 7/8 (80 x 99mm) Weight (Approx.): 1lb 10oz (730g)|
Samyang 650 1300mm f/8 16 Telephoto Lens (T Mount) High ...