Full Frame (FF) or APS-C with Focal Reducer (SB) (LT)?

Challenge #28 in the Technology Enabling Art series. Hosted by ProfHankD.
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Let's compare images shot using either a Full-Frame (FF) sensor or an APS-C sensor behind a "Speed Booster" (SB) or "Lens Turbo" (LT) focal reducer which approximates the FF view. Make sure you include (FF), (SB), or (LT) in the title to indicate which you used to capture the image. Have good APS-C sensors with SB and LT made FF sensors difficult to justify?
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Bug-eyed (SB)
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20mm manual focus lens + Metabones Speed Booster
Camera:
Lens:
Submitted: Wednesday, 3rd July, 2013 12:42 (GMT)
Taken: Wednesday, 3rd July, 2013
Focal length: 14 mm
Shutter speed: 1/10 sec
Aperture: F2.8
ISO: 200
Notes:
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