Canon CN-E 14.5 60mm T2.6 L SP Cinema Zoom Lens PL Mount
What's Included With This Item:
- Canon 1 Year Warranty
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Canon's wide-angle to moderate telephoto zoom for highest-end cinema shooting the "SP" designation means it has the industry-standard PL lens mount. Optically identical to its EF-mount counterpart, it's an optical and mechanical tour-de-force, targeting the most critical working DPs and camera operators. Optics are superb, truly ready for 4K shooting (exceeding the requirements of any current HD system), with virtually no problems such as "breathing" or focus changes during zooming. Mechanically, it's totally first-rate, from its smooth focus, zoom and iris rotations, to its resistance to expansion from solar heat.
To reduce chromatic aberration the CN-E14.5-60mm T2.6L S/ L SP zoom lenses employ anomalous dispersion (AD) glass. When light passes through a lens, it refracts (bends). It also breaks up into its constituent colors, just like light passing through a prism. The lower the refractive index of the lens material, the less it bends and the sharper it can be focused. Similarly, the lower the dispersion ratio, the less the light is broken up, which makes it easier to correct chromatic aberration. AD glass is similar to fluorite in that it features a low refractive index and low dispersion. Using AD glass Canon has been able to manufacture lenses with superior performance at a lower cost.
Using the latest advances from new ghosting simulation (optical simulation), that's been refined through Canon's broadcast HD zoom lens development, an anti-reflective lens coating offers reduced ghosting and flare.
Within the optical construction of the zoom lenses large aspherical lenses are deployed to reduce distortion and deliver unrivalled optical performance. In the early days, all lenses were spherical - they are the easiest lens shape to make, but are not best suited to rendering a sharp image as they cannot make parallel rays of light converge at the same point. This causes a problem called spherical aberration. Canon designers discovered that an aspherical (non-spherical) lens shape would eliminate these spherical aberrations, because the curvature of the lens could be used to converge the light rays to a single point.
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|Focal Length||14.5mm - 60mm|
|Max Relative Aperture (T-number)||1:2.6 at 14.5-60mm|
|Angle of View||1.78:1 (24.6 x 13.8mm)
79.2° x 49.9°at 14.5mm
22.6° x 12.8°at 60mm
1.78:1 (24.0 x 13.5mm)
74.2° x 57.8° at 14.5mm
20.7° x 15.2°at 60mm
|M.O.D. (from image sensor)||0.70m/2'4"|
|Object Dimensions at M.O.D.||1.78:1 (24.6 x 13.8mm)
65.2 x 36.7cm at 14.5mm
15.0 x 8.4cm at 60mm
1.78:1 (24.0 x 13.5mm)
66.9 x 37.5cm at 14.5mm
15.4 x 8.6cm at 60mm
|Dimensions WxHxL||5.3 x 6.4 x 12.5" / 136 x 163 x 318mm|
|Weight||9.9 lbs / 4.5kg|