Currently using
Olympus E-PL3
Panasonic 14-42X, 20/1.7 and, 45-200
[optionally Panasonic 100-300 with Rösch tripod foot]
Peak Design Capture system
Nikon 10x25 HG L
Lowepro Terraclime 100
...if that's too big, an old Canon S95
Nikon D80 or D700
Nikon 300/4, plus 1.4 or 1.7TC; Thinktank Digital Holster 50 V2.0
Hasselblad XPan
45/4 with NDC, 90/4; LowePro Rezo 160 AW
Chamonix 45N-1
Schneider 58/5.6 with NDC; Nikkor 90/8, 135/5.6, 200/9, 300/9;
Fidelity Elite DDS x5; Horseman 120 back; Silvestri 45° tilting loupe 6x;
Shutter key; Calumet 12" release cables; Páramo dark cloth;
LowePro Pro Runner 300 AW; PhotoBackpacker lens case
...or swap 58/5.6 and 90/8 for 500/11T
Sekonic 758DR spot and 208 meters; Canon diopters
Lee and Hitech filters; Lens Pen; Giottos rocket blower
Nikon speedlights; Op/Tech and Black Rapid straps
Nikon Fieldscope ED82A and ED50A
Hawke and Nikon bins