When advanced options and size matter, slip these compact digital SLRs into a day pack.
1 Sony NEX-5T, $899.
2 Canon EOS M kit, $633.
3 Nikon Coolpix A, $1,299.95; 1300 366 499.
4 Panasonic Lumix DMC-GX7, from $1,249.
5 Olympus Pen Lite E-PL5 single-lens kit, $799; 1300 659 678.