Perfect presents for those who like their gadgets Nikon Df £2,749 If Father Christmas is being really generous, then you may be lucky enough to get the new Nikon Df. This high-end digital SLR has a retro style that borrows its looks from Nikon’s 35mm fi lm cameras. Boasting the same 16.2-megapixel FX-format CMOS sensor and EXPEED 3 image processor as Nikon’s fl agship D4 SLR, the Df provides stunning image quality. Plus, it’s compatible with a huge range of Nikon lenses, including the vintage non-AI NIKKOR lenses. Denon AH-D600 £350 The AH-D600 headphones combine armchair comf