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C-4 Fisheye Lens

Geek Articles

Assembling the C-4 Optics 4.9mm f3.5 Hyperfisheye Prototype

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You guys have watched us gut a lot of lenses and cameras over the years. So I thought it would be fun for you to see us put one together from scratch. Compared to many of the lenses we’ve taken apart, this is all mechanical lens is rather simple: no focus motors, image stabilizers, etc. […]

Image Stabilization How To What Is

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How Image Stabilization Works In Camera and In Lens

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Image Stabilization comes in a variety of different names and types. Whether it’s called O.I.S. (Optical Image Stabilization), VC (Vibration Compensation), VR (Vibration Reduction), IBIS (In-Body Image Stabilization) or just IS (Image Stabilization), it all foundationally does the same thing – controls the effects of camera shake to produce sharper images. With the recent years, […]

Disassembly of the Sony 400mm f/2.8

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The Great 400mm Teardown Comparison. Part II – The Sony 400mm f2.8 G

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In which you will not only learn how good the construction of Sony’s new flagship is, but also everything you wanted to know about Kubu.¬† As I mentioned last week, we usually don’t write up super-telephoto teardowns, but the release of two remarkably lightweight 400mm f/2.8 lenses seemed like a great¬†opportunity to do a comparison. […]

Disassembly of the Canon RF 50mm f/1.2L

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Disassembly of the Canon RF 50mm f1.2L

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It is the best of lenses, it is the worst of lenses, it is the lens of perfection, it is the lens of complexity, it is the lens of new technology, it may be the lens of non-repairability.  A little while ago, Canon released the computer generated MTF charts for the Canon RF 50mm f/1.2 lens. Despite my ambivalence about […]

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