The S-1 was designed to be splashproof by using a porro mirror optical viewfinder, rather than the typical SLR pentaprism.
[2]: 15 [4]: 82 For through-the-lens flash exposure control, the camera switches to a four-segment metering pattern.
The RD 3000 shares features and accessories with the Vectis S-1, including V mount lenses and shutter speeds.
Aperture and focus are controlled electronically by the camera; the image circle of the lenses only illuminates the APS formats, and the flange focal distance of V mount is only 36.00 mm.
[7] A new version, the "MonsterAdapter LA-VE2", appeared as a crowd funded item on Indiegogo and offers the same features of the LA-VE1 plus the added benefit of auto-focus.
At least the 400 mm lens illuminates the full frame format, albeit with soft vignette typical for refractive designs.