Fotasy Metal Filter Caps, Aluminum Alloy, Slim Stack Fits 49mm UV CPL Fader ND Filter
Quick take
Fotasy’s 49mm filter stack caps use slim aluminum top and bottom end pieces to protect filter threads and glass edges when your filters are not in use. They’re a practical choice if you want a compact, organized way to carry multiple 49mm filters by screwing them into a stack, with the main limitation being that thicker specialty filters may not connect as smoothly.
Pros and cons
Pros
- Slim aluminum alloy caps designed specifically for 49mm filter threads
- Helps protect filters from dust, scratches, and fingerprints while stored or carried
- Lets you consolidate filters into a streamlined stacked setup
- Threads on and off smoothly, making on-the-go organization easier
Cons
- Best results require compatible 49mm threaded filters
- Thicker specialty filters may not stack/connect as neatly
- Not water resistant, so you still need basic care in wet conditions
What buyers think
Buyer review evidence centers on convenience and protection during travel. Many comments highlight that the caps are solid-feeling and don’t bend, making them a reliable way to consolidate multiple filters into one more portable setup than bringing a bulky pouch. Reviews also commonly mention easy threading when putting caps on and taking them off, plus the satisfaction of keeping filters organized by size. There is limited but relevant feedback that stacking works great for typical filters, while some thicker types may not connect to each other cleanly due to thickness differences. Overall, the review pattern suggests these caps are valued most by photographers who regularly pack filters in small camera cases and want less clutter.
What these stack caps do well
Protection without bulk
The core idea is simple: screw your filters together, then add the slim top and bottom caps to help shield them from everyday storage hazards like dust, scratches, and fingerprints. If you often toss filters into a small camera bag, that extra barrier can make a noticeable difference versus leaving filter faces or edges exposed.
A more organized travel stack
Instead of keeping each filter loose, the caps support a streamlined system for carrying multiple 49mm filters as a single unit. Reviews frequently describe this as an upgrade to older storage methods that were either too bulky or too disorganized to quickly find the right filter at the right time.
Build-focused, screw-on compatibility
These caps are made from aluminum alloy, and the practical takeaway from buyer feedback is that the threads feel easy to use. That matters because the entire point of stack caps is frequent access, whether you are swapping CPL and ND filters on location or reorganizing your kit between shoots.
Key specs and fit you should confirm
- Compatibility: Designed for 49mm filter thread (49mm UV, CPL, fader, ND type filters that use that thread size)
- Design: Slim stack end caps (top and bottom)
- Material: Aluminum alloy
- Water resistance: Not water resistant
If your filters are not 49mm threaded, these caps will not be the right fit. Also, if you use thicker specialty filters, plan for a bit of trial in how well they stack together.
Pros and cons recap for shoppers
- Buy these if: you own multiple 49mm filters, want a compact way to store them, and prefer a screw-based, dependable stack over looser storage.
- Skip these if: your kit is mostly mixed filter sizes, you need a solution for non-49mm threads, or your filters are significantly thicker in a way that prevents stacking.
Alternatives to consider
If your priority is storage that works across different filter sizes, consider a dedicated filter case or multi-pocket organizer built for mixed diameters rather than a stacking system. If you frequently work in wet or harsh environments, you may also want storage solutions that provide more environmental protection than slim end caps alone. The right alternative depends on whether you want compact stacking (these caps) or all-in-one organization with compartments (case-style storage).
Verdict
Fotasy’s 49mm metal filter caps are a solid, compact option for photographers who want to protect their filters and keep them organized as a slim stack. They are most worth it when your filters are consistently 49mm threaded and your packing routine benefits from a screw-on, easy-to-access setup, with the main caution being that thicker filters may not connect as seamlessly.
FAQs
What size filters do these caps fit?
They are designed for 49mm filter thread filters. Make sure your UV, CPL, ND, or other filters use the 49mm thread size.
Do these caps work for all filter types?
They work best with typical, compatible 49mm threaded filters. If you use thicker specialty filters, stacking may be less seamless due to physical thickness differences.
How do you use filter stack caps?
Screw compatible filters together, then attach the provided top and bottom caps on the stack to help protect the filter ends while stored or carried.
Are these water resistant?
No, they are not listed as water resistant. For wet conditions, use additional protection as part of your normal kit handling.
Are they better than storing filters in a pouch?
If you want a more compact, organized carry method, stacked caps can reduce clutter compared to a pouch. A case with compartments may be better if you need to store many filter sizes that do not stack easily.
Specifications
| Product Title | Fotasy Metal Filter Caps, Aluminum Alloy, Slim Stack Fits 49mm UV CPL Fader ND Filter |
|---|---|
| Category | Electronics > Camera & Photo > Accessories > Filters & Accessories > Filter Accessories > Filter Cases |
| Brand | Fotasy |
| Manufacturer | Fotasy |
| Model Name | MS49 |
| Model Number | MS49 |
| Screen Size | 49 Millimeters |
| Color | Black |
| Material | Aluminum |
| Item Weight | 4.8 ounces |
| Product Dimensions | 1.93"L x 1.93"W |
| Thread Size | 49 Millimeters |
| Coating Description | No Coating |
| Special Effect | Neutral Density |
| Water Resistance Level | Not Water Resistant |
| Enclosure Material | Aluminum |
| Compatible Devices | 49mm Filter |
| Media Type | ProductImage |
| Item Dimensions L x W | 1.93"L x 1.93"W |
| Photo Filter Size | 49 Millimeters |
| Manufacturer Part Number | FS49 |
| Global Trade Identification Number | 09737051163873 |
| Warranty Description | no |
| Item Type Name | 49mm metal filter stack caps. |
| Built-In Media | 49mm Metal Filter Stack Caps |
| Photo Filter Thread Size | 49 Millimeters |
| Photo Filter Effect Type | Neutral Density |
Available variants
Size
- 55mm
- 72mm
- 58mm
- 62mm
- 37mm
- 46mm
- 82mm
- 77mm
- 40.5mm
- 49mm
- 67mm
- 52mm
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