Uploaded August 2014 | Updated September 2026, 2 hours ago

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Using a powered B4 lens to shoot some bicycling- keeping the subject size constant by using the servo zoom and constant aperture ENG lens.

Lens: Canon J15x8 with internal doubler engaged.
Camera: Panasonic GH4. UHD. 24p. ISO 200. Shutter ramped up to compensate for the low aperture and bright summer Texas sun.

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