Think Tank Airport™ Commuter 31L Camera Backpack
Carry-on protection for the cameras, lenses and travel essentials your underwater photography system depends on.
The Think Tank Airport Commuter 31L is a carry-on-oriented think tank camera backpack built for photographers carrying two camera bodies, several lenses, a laptop and important accessories. For underwater photographers, it is especially useful for keeping fragile camera bodies, lenses, strobes, batteries, chargers and backup components close during air travel.
It offers a practical middle ground between the smaller Airport Essentials 26L and the larger Airport Accelerator 41L. It is not waterproof or guaranteed to fit an assembled underwater housing, so housing compatibility must be confirmed by dimensions.
- Best for: Dive travelers, wildlife photographers and professionals carrying a substantial camera kit as hand luggage.
- Main advantage: Balanced 31-liter capacity without moving to the largest Airport-series backpack.
- Camera compatibility: Two standard camera bodies with attached lenses, plus approximately three to six additional lenses and accessories.
- Major differentiator: Full-width divider, rear laptop access, expanded organization and integrated security features.
- Bluewater advantage: Expert packing and system-fit guidance from staff who configure underwater camera systems every day.
- Important limitation: Not a hard case or submersible bag; large housings, handles and dome ports may need separate transport.
Quick Specs
Camera and Underwater System Compatibility
Works With
- Most DSLR, mirrorless and medium-format camera bodies
- Two standard camera bodies with lenses attached
- Approximately three to six additional lenses
- Strobes, compact video lights, batteries and chargers
- A 16-inch MacBook Pro and a 10-inch tablet
Requires
- Divider adjustment for your individual camera kit
- Accurate measurements before packing an underwater housing
- Removal of trays, handles or arms from most housing systems
- Airline-specific carry-on size and weight verification
Optional Gear
- Cable and charger organization pouches
- Battery holders and memory card wallets
- Protective lens, port and strobe covers
- A separate hard case or roller for large housings and domes
Why the Airport Commuter 31L Stands Out
Many travel backpacks force photographers to choose between compact dimensions and useful capacity. The Airport Commuter 31L sits in the middle of Think Tank’s updated Airport backpack range, providing more working space than the Essentials 26L without the additional size and 6.15-pound empty weight of the Accelerator 41L.
Underwater photographers also benefit from the redesigned divider system. The full-width divider can separate imaging equipment from clothing or travel essentials, while integrated accessory pockets help keep small but critical items such as cards, cables, spare O-rings and chargers from disappearing into the main compartment.
Flexible Dividers for Dive-Travel Packing
The padded interior can be configured around camera bodies, lenses, strobes and accessory cases rather than forcing your equipment into fixed compartments. A full-width divider also allows part of the main compartment to be reserved for headphones, clothing or travel documents.
- Supports camera-only or mixed camera-and-travel packing
- Three padded dividers include integrated accessory pockets
- Helps isolate lenses and strobes from harder accessories
- Can be reconfigured when your camera system changes
Fast Laptop Access Without Opening Your Camera Gear
The rear-panel computer compartment provides access to a laptop, tablet or paperwork when the backpack is swung around to the front. This is useful at airport security, on liveaboards and during destination transfers because the padded camera compartment can remain closed.
- Fits a 16-inch MacBook Pro and 10-inch tablet
- Keeps electronics separate from the main camera compartment
- Front organizer includes a key lanyard and small-item storage
- Hidden pocket under the luggage pass-through stores a passport or cash
Built for Airports, Transfers and Location Work
Locking YKK RC Fuse zippers, an integrated cable lock and a dedicated security pocket provide more protection than a basic camera backpack. Multiple handles also make the bag easier to lift into an overhead bin or move between a vehicle, hotel and dive boat.
- Attachment straps above both side pockets accommodate a tripod
- Handles are positioned on the top, bottom and both sides
- Removable stabilizer belt can be tucked away when not needed
- Luggage-handle pass-through connects the backpack to a roller
Why Buy Your Think Tank Camera Bag from Bluewater Photo?
Think Tank has built its reputation around durable carrying systems for working photographers, including abrasion-resistant materials, replaceable components on many products, and practical designs made for frequent travel. The Airport Essentials 26L uses ballistic nylon reinforcement, YKK® RC Fuse zippers, a DWR finish, and an included seam-sealed rain cover.
Bluewater Photo adds specialist help that a general camera retailer cannot. Our team can review your camera, housing, port, lenses, strobes, and travel strategy as a complete system—not simply confirm that the camera body fits a divider. Bluewater describes its staff as underwater photography specialists who evaluate and support equipment in real diving conditions.
Content reviewed by Bluewater Photo staff, recognized as the #1 online retailer specializing in underwater photography and scuba diving equipment, with real-world experience supporting, selling, and configuring underwater camera systems.
Travel with Your Camera Gear Protected and Organized
Expert support from underwater photographers.
Need a fit check? Contact Bluewater Photo with your camera, housing, port, and lighting list.
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Think Tank Airport Commuter 31L Specifications
Dimensions and Capacity
- External: 13 W × 19 H × 7.3–10.2 D in.
- External metric: 33 × 48.5 × 18.5–26 cm
- Interior: 11.8 W × 17.3 H × 6.7 D in.
- Interior metric: 30 × 44 × 17 cm
- Total volume: 31 liters
- Main compartment: 18 liters
- Front pocket: 6 liters
- Laptop area: 2 liters
Camera and Computer Capacity
- Two standard-size camera bodies with lenses attached
- Three to six additional lenses and accessories
- Supports lenses up to 400mm f/2.8
- Fits a 16-inch MacBook Pro
- Fits a 10-inch tablet
- Laptop pocket: 11.2 × 16.3 × 1 in.
Materials and Construction
- 600D polyester
- 1260D poly ballistic nylon
- 420D nylon small ripstop
- Durable water-repellent coating
- Abrasion-resistant YKK RC Fuse zippers
- Total weight: 4.85 lb. / 2.2 kg
Organization and Security
- Locking main-compartment zipper pulls
- Integrated cable lock and security pocket
- Rear-panel computer access
- Full-width interior divider
- Three padded dividers with accessory pockets
- Interior zippered mesh pockets
- Hidden passport or cash pocket
Carrying Features
- Top, bottom and dual side handles
- Luggage-handle pass-through
- Removable stabilizer belt
- Dual zippered side pockets
- Tripod attachment points on both sides
- Visible business card holder
Included
- Think Tank Airport Commuter 31L backpack
- Customizable padded divider set
- Two tripod attachment straps
- Integrated security cable and lock
- Seam-sealed rain cover
- Think Tank Photo Airport Commuter Backpack (31L)
- Set of Interior Dividers
- 2 x Tripod Attachment Strap
- Waist Belt
- Rain Cover
- Limited Lifetime Warranty
Frequently Asked Questions
Why Buy from Bluewater
- Authorized Garmin & dive gear dealer — full manufacturer warranty.
- Founded and staffed by active divers, underwater photographers, and explorers.
- Decades of combined hands-on experience with the gear we sell.
- We test and use most of the equipment ourselves before recommending it.
2. Risk-Free Purchase (See Terms Of Service)
- 30-day, hassle-free returns (unused condition).
- Secure payment with trusted gateways (credit card, PayPal, etc.).
- All products shipped in factory-sealed boxes (unless stated).
- Transparent policies — no hidden fees or fine-print surprises.
3. Fast & Reliable Delivery
- Free U.S. shipping over $200 for Photo Gear & $50 for Dive Gear.
- Same-day dispatch on in-stock orders placed before 12pm.
- Worldwide shipping options with reliable carriers.
- Real-time tracking updates sent straight to your inbox.
4. Extra Value at No Extra Cost
- Lifetime product support by email, phone, or in-store.
- Setup help & usage tips tailored to your needs.
- Exclusive buyer’s guides, tutorials, and dive trip invitations.
- Early access to special promotions & new releases.
5. Social Proof & Community
- Thousands of satisfied divers & underwater photographers worldwide.
- 5-star average product & service ratings.
- Active in dive events, conservation projects, and photography competitions.
6. Personal Connection
- Direct line to our in-house experts — no outsourced call centers.
- Friendly, passionate staff who speak “diver” fluently.
- We care about your whole adventure, not just the sale.
We offer lifetime support with all purchases.
Please call or email us with any questions; our knowledgeable staff would love to assist you.
