Recently I took a gamble and bought a 0.72x focal reducer from an eBay store called Roxsen. It's similar to the RJ Focal Reducer. Unlike the Mitakon Lens Turbo, this one fits without any trouble at all. Last weekend I got around to giving it a field-test whilst shooting a video for a client - an exclusive car rental agency here in the Netherlands.
For those interested: the topic of the shoot was a half-million-euros Lamborghini Aventador.
It was all shot using the Blackmagic Design Pocket Cinema Camera. Using the following lenses:
- Sigma AF 24-70mm f/2.8 IF EX DG HSM - Canon EF mount
- Panagor 135mm f/2.8 MC - M42 mount vintage lens
- Samyang 14mm T*3.1 ED AS IF UMC VDSLR - Nikon mount
Comparison shot sets were shot from a locked down tripod, of course. The intermissions were shot using a Kessler Crane with a Kessler Revolution head, controlled via Oracle Controller with the help of Site Steendam and Thom van Seijen.
The entire video was shot in CinemaDNG RAW, and graded using Adobe Camera RAW. All DNG's have received the exact same treatment as far as colour temperature, sharpness and colour settings go. Exposure was adjusted to match each other, since otherwise the shots with focal reducer would be way too light (since it's adding an extra stop of light).
You can watch the video below, as well as a couple of comparison images from the video. If there are questions - please feel free to ask them.
Below I've embedded two image sets from the video. It gives a clear and obvious difference between the field of view with and without the focal reducer.
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