Online digital camera shop

Image magnification ratios and exposure factors.-(50mm standard lens)Auto Extention TubeDistance Reading of MasterImage Magnification RatioField Coverage (cm)Distance from Lens Front to Subject (cm)Exposure Factor12mmInfinite-0.5m0.24-0.3510x15-6.9x10.321-161.5-1.8 DG Series New DG Series have upgraded Gated-Array circuitry to work better with the digital SLR's and some of the the new digital only lenses. They still work the same with film SLR Cameras and lenses as well