The gate-mouth opening to the main compartment is handy, as is the zippered mesh sleeve in the door for storing small items. $99-$140 at www.ebags.com. While ThinkTank’s bread and butter is camera-camouflaging style and practical features that appeal to both pros and aspiring shooters, the Retrospective is going to appeal to their nostalgia (Domke, anyone?). The heavy canvas exterior and leather flap offer the old-timey feel, while the inside features — Velcro-silencing flaps, rain cover and a slot for an 11-inch laptop — make it a contemporary bag.