"OutPack-ScopePack": A unique backpack designed for photograhers to carry a camera-mounted telephoto lens(up to 800mm) or for birders to carry a spotting scope without removing it from the tripod. Also stores supplies, accessories as well. Main compartment is 24" deep, 9" in diameter and fully padded with 1/2" closed cell foam. A HiTop hood accessory extends the ScopePack to about 36-38". Four outside pockets - 6.5" x 9" x 3" hold film, filters, snacks, guide books, sunglasses and more - velcro closures. Two lash tabs hold a monopod, umbrella, walking stick. Double-padded bottom with rubber feet. Carrying handle; padded harness. Water-resistant nylon. Dark blue.
I kept my Leica Televid spotting scope attached to my Bogen 3178 tripod and used both the padded lid cover or the unpadded hood - which completely covered the tripod legs. Carrying the tripod either alone or with the scope attached was not difficult or felt uncomfortable.
Price: $60 + S/H.