Lowepro Pro Trekker BP 550 AW II vs Vanguard Alta Sky 51D Camera Backpack

The main difference between the Lowepro Pro Trekker BP 550 AW II and the Vanguard Alta Sky 51D Camera Backpack is that the Pro Trekker BP 550 AW II has Carry-on Size Compliant (Carry-on compatible) while the Alta Sky 51D Camera Backpack does not.

Vanguard Alta Sky 51D Camera Backpack
Specs Brand Lowepro Vanguard
Name Pro Trekker BP 550 AW II Alta Sky 51D Camera Backpack
Category Camera Camera
Sub Category Outdoor Outdoor
Capacity (L) 40L 30L
Dimensions (in) 14 x 9 x 24 14.63 x 22.25 x 10.25
Weight (lb) 8 6.4
Fabric Polyester High Quality Materials
Color Grey Grey
Warranty Lowepro Limited Consumer Warranty Vanguard Limited Lifetime Warranty
Release Date November 12, 2019 February 1, 2017
Rating 4.7 4.6
Price Under $400 Under $225
General Features Shoulder Straps Ergonomic shoulder straps Contoured shoulder straps
Sternum / Chest Straps Adjustable sternum strap Adjustable sternum strap
Hip Belt / Waist Strap Load bearing waist belt Padded waist belt
Main Compartment Access Full front zipped access Full rear opening, side and top access
External Pockets Multiple exterior pockets Multiple exterior pockets
Internal Compartments Interior pockets and dividers Bright colored interior with padded dividers
Side Pockets Side pockets can fit water bottle and other accessories Side pockets can fit water bottle
Water Bottle Yes Yes
Handles Top grab handle Sturdy carrying handle
Loops and Attachments Tripod straps D-rings, drone/tripod holder
Business & School Features Laptop Sleeve Laptop compartment fits up to 15" Laptop compartment fits up to 15"
Tablet Sleeve Tablet sleeve
Organizer Pocket Numerous dedicated pockets, organizers and connectors
Travel Features Carry-on Size Compliant Carry-on compatible
Stowable Straps Stowable connector straps
Hiking / Backpacking Features Back Panel ActiveZone back panel Well-padded breathable 3D back
Rain Cover Includes AW Cover Total coverage rain cover
Ergonomic Advanced ergonomic back and harness system
Top / Floating Lid Yes
Camera Features Compatibility Fits 2-3 Pro Mirrorless/DSLR with 400mm Compatible with Sony, Nikon, Canon, DSLR, Drones
Number of Lenses 4-6 lenses 3-4 lenses
Number of Flashes 2 flash 1 flash
Dividers MaxFit divider system Customizable padded dividers
Tripod Storage Yes Yes
Drone Storage Yes

You're currently comparing the Pro Trekker BP 550 AW II by Lowepro against the Alta Sky 51D Camera Backpack by Vanguard .


Lowepro 's Pro Trekker BP 550 AW II is a Camera backpack with Outdoor features while Vanguard 's Alta Sky 51D Camera Backpack is a Camera backpack with Outdoor features.

The Lowepro Pro Trekker BP 550 AW II has a capacity of 40L (liters), weighs 8 pounds and it's dimensions in inches are 14 x 9 x 24. It's made of Polyester and is available in Grey in comparison the Vanguard Alta Sky 51D Camera Backpack's capacity is 30L with a size of 14.63 x 22.25 x 10.25 inches. Constructed from High Quality Materials it weighs 6.4 pounds and is available in Grey.