Telephoto Lens

Lens Distortion

Lens Distortion: How to Fix Lens Distortion?

Lens Distortion (from Latin distorsio – curvature) is an optical distortion of space. Distortion is most common when using wide-angle lenses. There are three types of distortion: barrel (convex), pincushion (concave), and perspective. Pincushion distortion is typical for a wide-angle. On telephoto lenses, it is absent, but pincushion distortion can appear (usually from a focal …

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Tokina 400mm F8 Reflex MF Lens

Tokina 400mm F8 Reflex MF Lens Review: The Best Super Telephoto Lens

Today, we review a modern representative of a super-telephoto lens “Tokina 400mm f8” from a well-known Japanese manufacturer, Tokina. Extra telephoto or super-telephoto lenses are lenses with an equivalent focal length exceeding 300mm. Typically, these optical devices cost a lot of money and are heavy. However, there is an exception to this rule – mirrored …

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Canon PowerShot Zoom Monocular

Canon PowerShot Zoom Review: A Strange Monocular Camera Now in Your Pocket

Canon has long been known in the market as a manufacturer of amateur and professional cameras and other devices. For example, the company previously introduced a device called the IVY REC carabiner camera. Now Canon has introduced an electronic monocle – ‘Canon PowerShot ZOOM,’ which is already on sale in the Japanese market. The camera …

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