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Image distortion occurs more or less with a wideangle lens on, but this particular lens is especially made for Distortion Free (-1.3%) based on the sophisticated lens formula which produces a resolution power of 350-line/mm at center (MTF30%) Especially designed for use with high-definition digital camera, and the lens is made of hi-index optical glasses, 3-group/3-element, fully coated An ideal accessory lens for professionals and advanced amateurs shooting in tight places There will be no reduction of light value when this conversion lens is attached on the camera's lens Wide-angle Lens Resolution: 350-line/mm Coated Optical Glass Mounting Thread: 37mm SPECIFICATIONS: Magnification: Nominal 0.66x, Actual 0.66x Diagonal, 0.66x Horizontal Lens construction: 3-group/3-element, Coated optical glass elements Image distortion: -1.3% (max.wide-angle) Front Filter thread: 72mm Mounting thread: 37mm Dimensions (Height x Diameter): 43mm x 76mm Weight: 175g / 6.2oz Accessories: Case, Lens caps, Instruction manuals

The Rokinon 35mm T1.5 Cine AS UMC Lens was developed primarily for film and video applications. The cine version of Rokinon's 35mm lens features industry-standard gearing for the focus and aperture ring, and the aperture ring has been de-clicked for smooth iris pulls. The aperture and focus scales have also been relocated to the side of the lens, where it is easier for focus pullers to read them. This lens is compatible with full-frame sensors and can also be used on APS-C-sized sensors, where the 35mm-equivalent focal length will be 56mm. The optical construction incorporates two high refractive index elements and one aspherical element to reduce chromatic aberrations and distortion to produce sharper imagery. Additionally, a UMC coating has been applied to lens elements to minimize lens flare and ghosting for more contrast-rich images. Wide-angle Cine Lens Ultra Multi-Coating Full Frame Filter Diameter: 77mm Wide-angle prime lens is well-suited to use in a broad variety of shooting situations. Fast T1.5 maximum aperture benefits working in low-light conditions and provides greater control over focus placement for shallow depth of field applications. Two high refractive index elements and one aspherical element reduce chromatic aberrations in order to produce greater sharpness and clarity. UMC coating improves light transmission and suppresses lens flare and ghosting for more contrast-rich, color-neutral images. Geared aperture and focus rings are compatible with standard follow focuses for greater control over adjustment. De-clicked aperture ring facilitates smooth, quiet exposure adjustments during recording.  

The 50mm T1.5 AS UMC Cine DS Lens from Rokinon is a fast manual focus prime lens. It provides a very fast maximum aperture of T1.5 for effective low light capture and shallow depth of field control and an 8 blade iris for attractive bokeh. Optimized for cinema and video applications, the focus and aperture control rings are outfitted with industry standard gearing, which provides an interface for working with a traditional follow focus. The aperture control ring has also been de-clicked, which enables smooth iris pulls. In addition, bright aperture and distance markings are printed on the lens barrel facing laterally to facilitate easier control by a focus puller. The 50mm has a minimum focus distance of 1.5'. Internal focusing minimizes the effects of lens breathing, which insures a more consistent angle-of-view when adjusting focus. The lens is composed of 9 elements in 6 groups, including one aspherical element and one hybrid aspherical element to reduce aberrations. In addition, a lens multi-coating helps to improve light transmission reducing flare and ghosting. The filter thread diameter is 77mm. With this 50mm lens, Rokinon introduces the DS series of cinema lenses, unifying their cine lenses in more than just name. Each of the DS branded lenses will offer the same alignment of their geared focus and aperture rings so that follow focus and other rig accessories won't need re-adjustment when swapping lenses. Also, each DS lens is tested to be color matched with the other lenses in the series and provide the same color and contrast when shooting video. Lastly, the lenses are marked with focusing scales on each side of the barrel for easier adjustment from either side of the camera. Manual Focus Prime Lens 8 Blade Iris for Attractive Bokeh Minimum Focus Distance of 1.5' Filter Diameter: 77mm Features: Standard length manual focus prime lens for EF mount cameras. Functional as still photo lens but optimized for cinema and video shooting with geared aperture and focus rings, de-clicked aperture for smooth exposure transitions and laterally printed aperture and distance markings. The 50mm T1.5 is part of the DS series of cine lenses, sharing characteristics and features that unify the series and make it easier for users to swap out lenses when shooting video. Each DS lens provides aligned focus and aperture rings so that readjustment of the follow focus is not necessary when switching lenses. Also each lens has been tested to match color and contrast for a consistent look and less potential post-processing. Finally, all DS lenses print focus scales on each side of the lens barrel for ease of use from both sides of the camera. Very fast T1.5 maximum aperture for effective low light capture and shallow depth of field. Internal focusing system with 9 lens elements in 6 groups. One aspherical and one hybrid aspherical lens element control aberrations and improve sharpness throughout the frame. Lens multi-coating improves light transmission and reduces flare and ghosting.

The Sigma 50-100mm T2 Cine High-Speed Zoom Lens (Feet) with a Canon EF mount provides an image circle that covers Super 35mm-sized sensors. It features a maximum T-stop of 2, and the aperture does not ramp over the zoom range. It shares common lens gear positions with the other lens in the Sigma High Speed Zoom lineup, which makes for rapid lens changes. Compact Size 180 degree Focus Rotation Super 35mm Format Filter Diameter: 82mm Standardized Essentials: Gear position, Color Correction, Filter Size & Front Diameter

The ZEISS Cinema Zoom lenses deliver great flexibility thanks to interchangeable mounts, allowing them to be used with a wide range of cameras from multiple manufacturers. There is a comprehensive choice of cinema zooms with consistent aperture, good sharpness and contrast, minimal distortion and a look that matches the highest quality cinema primes including ZEISS/ARRI lenses. Affordable, flexible and offering the highest quality, the ZEISS Cinema Zoom lenses are an invaluable addition to any film set. ZEISS Cinema Zoom lenses are precision engineered within the tightest possible tolerances. This guarantees you excellent image quality with low distortion, high resolution and excellent colour rendition for sharp, punchy pictures. High Resolution and Contrast Ready for 8K and Beyond Low distortion Round Out-of-Focus Highlights High resolution and contrast; ready for 8K and beyond Excellent colour correction Flare suppression through T* anti-reflex coating and internal light traps Low distortion Round out-of-focus highlights Colour matched Features: ZEISS Cinema Zoom lenses feature exquisite optics in a robust, durable package - two characteristics that will surely remain desirable for decades to come. And thanks to their interchangeable mounts, Cinema Zoom lenses offer the possibility to upgrade to any number of existing or future cine and still cameras while still using the same set of lenses. Additionally, they all cover a full-frame image format without vignetting. Full-frame coverage (36 x 24 mm) for focal lengths of 15 to 200 mm Common aperture of T2.9 Sweet spot effect with Super 35 sensors Interchangeable mount No visible focus shift while change of focal length Robust cine-style housing No visible breathing Calibrated focus scales Nearly 300 degree focus rotation Round iris for organic look No visible ramping