Think Tank Emergency Rain Covers for DSLR and Mirrorless Cameras with 300-600mm f/4 Lens - Large (Realtree APX Camouflage)
Quick take
This Think Tank emergency rain cover is built to protect a DSLR or mirrorless camera paired with a 300-600mm f/4 class lens, and it mounts securely for faster on-the-go deployment. Buyers like how compact it is for emergency use and how easy it remains to reach controls, with the main caveat being that the Large size can feel very large if your lens setup is smaller or you are not using that lens class.
Pros and cons
Pros
- Seam-sealed construction for downpour and dusty conditions.
- Designed for quick deployment when weather changes.
- Oversize window helps you view the LCD and access controls while covered.
- Compresses into an included compact carrying pouch.
- Mountable to a tripod or monopod for stability with long lenses.
Cons
- “Large” is truly large, so it can add excess fabric depending on your exact lens and accessories.
- Access for zoom rings or hand placement can feel tight with certain lens lengths and orientations.
- Best fit is for the intended 300-600mm f/4 class, so it may not be ideal for smaller lenses.
What buyers think
Buyer-review evidence points to a consistent theme: this is a practical, pro-oriented rain solution for outdoor shooting, especially with long lenses. Many comments highlight that it stays secure during active use, including scenarios involving strong rain and windy conditions, while still allowing quick access to controls through the window. Portability also comes up frequently, with shoppers appreciating how lightweight and compact it is once packed away. The clearest recurring limitation is fit variability, where the Large size can be significantly oversized for certain setups, and a few shoppers note that reaching specific controls (like zoom or lens-ring adjustments) can be more challenging depending on lens geometry and glove use.
Why an emergency rain cover can be worth it
Rain protection is not only about keeping the camera dry, it is also about keeping you shooting when the conditions change quickly. An emergency cover is designed to deploy fast, cover the most exposed surfaces, and still let you operate key controls without fully removing your camera from the setup. If you frequently shoot in coastal areas, stormy regions, or during overcast-to-rain transitions, a dedicated rain cover can be a low-friction way to reduce exposure risk while keeping your workflow intact.
Design and protection: what this cover is built to do
This model uses seam-sealed construction intended for extreme protection in heavy rain and dusty conditions. It is made as a soft cover (nylon shell) with a focus on sealing the system while still providing an interface for viewing and operating your camera. The cover is sized for DSLR and mirrorless cameras using a 300-600mm f/4 lens category, and it is offered in a Large size with the included dimensions of about 27.6 inches long and designed to accommodate a lens diameter range of roughly 5.1 to 7.9 inches.
Fit for your camera and long lens setup
The most important buying factor here is whether your lens class and accessories match the Large size. Reviews repeatedly emphasize that the cover can be very large, which is a benefit when you truly need extra room for long lenses, but it can become excess material for smaller setups. If you plan to shoot a 300-600mm f/4 style lens (or an appropriately similar size with your specific hood and extender arrangement), this size is likely to make sense. If your setup is smaller, you may want to consider a smaller size option to avoid having extra fabric that can encroach into your frame or interfere with comfortable hand placement.
Using it in the field: visibility and access
Where this cover aims to earn its keep is usability. There is an oversize window that lets you view the LCD and access controls without completely uncovering the camera. Shoppers also describe secure mounting, including a hot-shoe style attachment that helps keep the rear portion positioned. That matters because the longer you shoot with a long lens, the more often you will adjust settings. Some reviewers mention that the location of hand access and the ability to reach certain lens adjustments can vary with lens length, zoom mechanism style, and whether you are shooting with gloves. Practically, it is worth checking your typical control path before you rely on it under pressure.
Portability and storage
One reason emergency covers get used rather than just stored is how quickly they can move from bag to camera. This cover compresses into an included compact carrying pouch. Buyers also highlight that it is lightweight, which supports the “always carry it” approach, especially for travel days or hikes where conditions can turn.
Who should buy this rain cover
- You shoot DSLR or mirrorless with a 300-600mm f/4 class lens and want a cover that fits that long-lens setup.
- You prioritize fast deployment and need to keep access to the LCD and key controls.
- You regularly shoot outdoors in rain and dusty conditions (coastlines, storms, wildlife, sports in poor weather).
- You want something you can keep packed and pull out when conditions change.
Who should skip it
- You mainly shoot smaller lenses and do not want extra fabric or bulk from a Large-size cover.
- You care more about maximum simplicity than about access through a viewing window (in that case, a different style of cover may fit your workflow better).
- You need unobstructed, effortless access to every lens control, regardless of orientation, because actual access can be tighter depending on lens and hand position.
Price and availability
Pricing varies by retailer and time. If you are comparing options, do not just look at the sticker price. Consider whether the Large fit is the right match for your specific lens and whether the window and control access are features you will actually use during real shooting conditions.
Verdict
The Think Tank Emergency Rain Covers Large size is a strong fit for photographers using 300-600mm f/4 class lenses who want a compact, seam-sealed emergency layer that keeps the camera protected while still letting you view and operate key controls. The main limitation is fit, the Large cover is notably big, so it is best for the intended long-lens class and can be more cumbersome for smaller setups.
FAQ
How do I know if the Large size will fit my lens?
This cover is intended for DSLR and mirrorless cameras with a 300-600mm f/4 lens class, and the Large dimensions are roughly 27.6 inches long with an intended lens diameter range of about 5.1 to 7.9 inches. If your lens and hood arrangement are significantly smaller than that range, the Large size may feel oversized and create excess material.
Does the cover allow me to use the camera controls while it is on?
Yes. It includes an oversize window so you can view the LCD and access controls without fully removing the cover. That said, access to certain lens controls can feel more constrained depending on your lens design and glove use.
Is this rain cover suitable for dusty conditions as well as rain?
It is designed as seam-sealed protection for both downpour and dusty conditions, aiming to reduce exposure to the elements while you keep shooting.
Can it be used with a tripod or monopod?
Yes, it is mountable to a tripod or monopod, which helps maintain stability when your camera and long lens are set up for longer periods outdoors.
Will it pack down for travel?
It compresses into an included compact carrying pouch, and buyers frequently highlight how convenient it is to keep with you as an emergency option.
Specifications
| Product Title | Think Tank Emergency Rain Covers for DSLR and Mirrorless Cameras with 300-600mm f/4 Lens - Large (Realtree APX Camouflage) |
|---|---|
| Category | Electronics > Camera & Photo > Accessories > Rain Covers |
| Brand | Think Tank |
| Manufacturer | Think Tank Photo |
| Model Number | 740613 |
| Color | Camo |
| Item Weight | 5.6 Ounces |
| Compatible Devices | Cameras |
| Form Factor | Cover |
| Additional Features | Waterproof |
| Pattern | Camouflage |
| Shell Type | Soft |
| Enclosure Material | Nylon |
| Item Dimensions | 27.6 x 7.9 x 7.9 inches |
| Built-In Media | Rain Cover |
| UPC | 874530001673 |
| Mfr Part Number | 740613 |
| Warranty Description | Limited Lifetime Warranty |
Available variants
Color
- Camo
- Black
Size
- 300-600mm
- 70-200mm
- 24-70mm
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