
( Brand: Xit ), ( Manufacturer Part Number: XT86SIG ), ( Part Type: Filter ), ( Filter Shape: Circular ), ( Filter Color: Uv-cpl-fld ), ( Unit Type: Oz ), ( Circular Size: 86 Mm ), ( Mount Fitting: Threaded ), ( Filter Effects: Filter Kit ), ( To Fit: Camera Lens ), ( Country Of Origin: China )
The **Xenics XT86SIG 86mm UV-CPL-FLD Filter Set** is a meticulously engineered, high-performance accessory designed exclusively for Sigma s legendary **170-500mm F/2.8 DG DN Art, 50-500mm F/4-6.3 DG DN Art, and 150-500mm F/5-6.3 DG DN Art** telephoto lenses, offering photographers and videographers unparalleled clarity, color accuracy, and versatility in demanding shooting conditions. Crafted from premium **optically enhanced glass** with multi-layer anti-reflective coatings, this filter set eliminates chromatic aberrations, flare, and ghosting, ensuring razor-sharp imagery even at the extreme edges of these lenses. The **86mm diameter** accommodates the larger front element of Sigma s high-end zoom lenses, providing a secure, dust-proof seal with the lens mount, while the **UV-CPL-FLD combination** delivers a trifecta of protective and creative capabilities. The **UV (Ultraviolet) filter** acts as a first line of defense against dust, scratches, and environmental contaminants, safeguarding the lens from potential damage during outdoor shoots, travel, or harsh weather conditions. Beyond protection, it also blocks harmful ultraviolet light, which can cause lens flare and degrade image quality in bright sunlight, resulting in cleaner, more natural tones. The **CPL (Circular Polarizing) filter**, meanwhile, is a game-changer for landscape, architecture, and outdoor photographers, allowing precise control over reflections, glare, and light polarization. By rotating the filter, users can enhance contrast in skies, deepen blue tones, and reduce unwanted reflections from water, glass, or foliage, all while maintaining vibrant, true-to-life colors. The **FLD (Flare Reduction) filter** is a standout feature, specifically designed to combat lens flare a persistent challenge for telephoto lenses shooting into bright light sources like the sun. By diffusing and dispersing stray light, this filter minimizes lens flare artifacts, preserving detail and contrast in high-contrast scenes, such as backlit subjects or sunbursts. The **XT86SIG series** distinguishes itself with a **sleek, lightweight magnesium alloy housing**, ensuring durability without adding bulk, while the **threaded design** allows for easy attachment and removal. The filter s **precision-machined edges** and **low-profile profile** minimize vignetting, even at wide apertures, making it ideal for low-light photography and creative bokeh effects. Whether capturing the delicate details of wildlife at a distance, the grandeur of architectural landmarks, or the ethereal beauty of astrophotography, this filter set empowers photographers to push the boundaries of their Sigma lenses with confidence. Its **universal compatibility** with Sigma s high-end zooms ensures seamless integration, while its **durability and optical precision** make it a worthwhile investment for both professionals and serious enthusiasts seeking to elevate their visual storytelling.
### **Pros and Cons of buying a XIT XT86SIG 86mm Filter Set (UV-CPL-FLD) for Sigma 170-500mm, 50-500mm, and 150-500mm Lenses**
#### **Pros**
1. **Compatibility with Multiple Lenses** The 86mm size fits Sigma s 170-500mm, 50-500mm, and 150-500mm lenses, making it a versatile addition to your filter collection. This avoids the need for multiple filter sizes if you own other 86mm lenses.
2. **High-Quality Construction** XIT is known for producing durable, well-built filters with multi-coated optics, which helps reduce reflections and improve image clarity. The aluminum frame provides stability, especially important for long telephoto lenses where filters can be prone to rattling.
3. **UV Protection** The UV filter helps eliminate lens flare caused by ultraviolet light, resulting in cleaner, more natural images, particularly useful in bright outdoor conditions.
4. **Polarizing (CPL) Functionality** The circular polarizer (CPL) is essential for reducing glare, enhancing contrast, and deepening skies and foliage. It s a must-have for landscape and outdoor photography where reflections and haze are common.
5. **Neutral Density (ND) Filter Included** The FLD (FineLine Density) filter likely includes an ND filter, which allows for longer exposures in bright conditions, useful for smooth water effects, light trails, or creative bokeh in daylight.
6. **Thread Safety** The 86mm thread is standard for many professional lenses, reducing the risk of cross-threading, which can damage lens coatings.
7. **Cost-Effective** Compared to premium brands like B W or Hoya, XIT offers a more budget-friendly option without sacrificing too much in terms of quality, making it a practical choice for photographers who want reliable filters without overspending.
8. **Easy to Clean and Maintain** The smooth glass surface and durable frame make cleaning straightforward, which is important for long-term use with telephoto lenses where dust and smudges can accumulate.
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#### **Cons**
1. **Potential Quality Variations** While XIT is reputable, some users report slight inconsistencies in coating quality or minor imperfections compared to higher-end brands. This may result in slightly less sharp images or more noticeable reflections in certain lighting conditions.
2. **Limited Durability for Extreme Conditions** The aluminum frame is sturdy but may not be as robust as premium brands reinforced designs, especially if the lens is frequently used in harsh environments (e.g., sand, saltwater, or heavy use).
3. **No Built-in Lens Hood Compatibility** Some high-end filters include features like hood compatibility or anti-reflective coatings that go beyond basic protection. XIT s filters are functional but may lack these extra refinements.
4. **Weight Consideration** Adding a filter to a long telephoto lens (like the Sigma 50-500mm or 170-500mm) increases the overall weight, which can affect ergonomics during handheld shooting or long sessions. However, the difference is minimal compared to the lens itself.
5. **Potential for Lens Flare** While the UV filter helps, no filter is perfect at blocking all flare. In extreme backlighting scenarios, some flare may still occur, though this is more dependent on the angle of light than the filter itself.
6. **No Customization Options** Unlike some high-end filters that offer gradient or variable ND options, XIT s set is a standard configuration. If you need specialized filters (e.g., graduated ND), you ll need to purchase them separately.
7. **Thread Alignment Issues** Some users report that the filter may not sit perfectly flush with the lens, potentially causing slight vignetting or misalignment. This is more common with cheaper filters but can be mitigated by careful handling.
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### **Conclusion**
The **XIT XT86SIG 86mm filter set (UV-CPL-FLD)** is a **solid, budget-friendly choice** for photographers using Sigma s 86mm lenses, particularly the 170-500mm, 50-500mm, and 150-500mm models. It provides essential protection, polarization, and neutral density capabilities without breaking the bank. The build quality is reliable for most use cases, and the multi-coated optics deliver acceptable image quality for the price.
However, if you prioritize **absolute sharpness, maximum durability, or specialized filters**, investing in a higher-end brand (e.g., B W, Hoya, or Lee) might be worth the extra cost. For casual to intermediate photographers or those on a budget, the XIT set offers a **good balance of functionality and affordability**.
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### **Recommendation**
- **Buy the XIT XT86SIG set if:**- You need a **versatile, cost-effective filter solution** for your Sigma lenses.
- You prioritize **basic UV protection, polarization, and ND functionality** without expecting premium performance.
- You re comfortable with **minimal trade-offs** in sharpness or durability compared to top-tier brands.
- **Consider a higher-end alternative (e.g., B W XS-Pro, Hoya Pro1, or Lee Filters) if:**- You require **maximum image clarity and minimal flare**.
- You shoot in **extreme conditions** (e.g., sand, saltwater) and need reinforced filters.
- You want **additional features** like graduated ND filters or better anti-reflective coatings.
For most photographers using these Sigma lenses, the **XIT set is a practical and worthwhile purchase**, especially when balanced against the alternative of buying multiple filters or opting for more expensive brands.
This includes: boxes, instruction manuals and blank cards. FLD FILTER The fluorescent light correction filter gives true to life color rendition by removing the harsh yellow green cast ordinarily resulting from bulbs.When shooting under natural light, dramatically increases saturation of subjects. The size is designed to fit the threads in front of your lens. OFFICE Housman-Fri: 10:am-6:pm Sat: 10:am-4:pm EST.
This filter will not change the overall color balance of photograph. UV FILTER filters are considered a standard accessory for every camera. It also absorbs the Ultraviolet rays of sun thereby reducing or eliminating distortion. Pro Series 86mm 3Pc Filter Kit For Sigma, 50-500mm f/4-6.3 EX DG HSM Lens 150-500mm f/5-6.3 OS 170-500mm APO Spherical Lens, Specifications, CPL FILTER This filter is used to increase color saturation darken blue skies so white clouds stand out and removes unwanted reflections from surfaces such as water glass, it will also reduce the softness scenery caused by atmospheric haze.
Serves to protect your lens from all dust,dirt, scratches and fingerprints.