he Retrospective 40 is perfectly suited for pro-size DSLRs with a pocket for most 13" laptops and the Retrospective 50 holds pro-size DSLRs with a pocket for 15.4" laptops. Both bags accommodate a 70-200 2.8 attached to a pro-size body. The large front pocket provides an optional divider for an additional two pro-size bodies or for documents. ...