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Dual apertures

Lensbaby adds a twist to its latest special-effects lens, the Burnside 35. In addition to the native swirly bokeh like that of the Twist 60, there's a second aperture with which you dial in the degree of vignetting and saturation.

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Second aperture

The second aperture closes above the first, which adds vignetting and allows in less light, making the image look darker and more saturated. 

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Second aperture

Because it has six blades instead of eight, the out-of-focus highlights also have a slightly different quality.

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Round aperture, front view

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Round aperture

The lens has a traditional round eight-blade aperture; the effect slider has a polygonal six-blade aperture that overlays the first to cover the edges of the frame.

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Many mounts

The lens comes in Canon EF, Nikon F, Sony A, Pentax K, Micro Four Thirds, Sony E, Fuji X and Samsung NX mounts.

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Velvety

The design of the Burnside is most like Lensbaby's Velvet line, all-metal with no drop-in lenses like the company's lower-end lenses.

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Tension

Like the Velvet lenses, the focus ring has good tension, and you do have to rotate it a lot to get from one end of the focus range to the other.

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Top

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Right side

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Lens cap

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Front

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Left side

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