
( Brand: Urth ), ( Manufacturer Part Number: UUVST39 ), ( Part Type: Filter ), ( Photo Filter Effect Type: Ultraviolet ), ( Size: 39mm ), ( Photo Filter Factor: 8.0 ), ( Style: Pro ), ( Photo Filter Size: 39.0 ), ( Filter Color: Black ), ( Pattern: Solid ), ( Coating Description: Nano Coating ), ( Material: Glass ), ( UPC: 354842003837 ), ( Package Dimensions Lxwxh: 3.94x3.9x0.94 Inches ), ( Weight: 0.15 Pounds )
The **URTH UUVST39 39mm Ultra-Slim UV Lens Filter** is a meticulously engineered optical accessory designed to enhance the performance and longevity of your camera lens while preserving the purity of your images. Crafted from high-quality, multi-layered optical glass, this filter is engineered to block up to 99% of harmful ultraviolet (UV) rays, which can otherwise degrade image clarity, introduce haze, and diminish color accuracy particularly in outdoor or high-altitude photography. Its ultra-slim profile, measuring just **2.5mm in thickness**, ensures minimal interference with your lens s native focal length and bokeh quality, making it an ideal choice for photographers who prioritize both aesthetic and technical precision. The filter s **multi-coated surface** applied through a proprietary process minimizes reflections, flare, and ghosting, allowing light to pass through with maximum efficiency and minimal distortion. Whether you re capturing landscapes, portraits, or macro subjects, the UUVST39 delivers a near-invisible barrier against environmental degradation, ensuring your lens remains protected while maintaining the integrity of your photographic vision. Its durable construction, featuring a robust metal frame and a secure screw-in design, guarantees long-term reliability, even in demanding conditions. Perfect for travel, outdoor shoots, or any scenario where lens protection is essential, this filter is a subtle yet indispensable tool for photographers who demand both performance and discretion in their gear.
The **URTH UV/UVST39 39mm Ultra-Slim Multi-Coated Lens Filter** is a popular choice for photographers, particularly those who prioritize image clarity, minimal vignetting, and lightweight design. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros**
1. **Ultra-Slim Profile**
The filter is extremely thin, measuring just 2.5mm, which minimizes vignetting (darkening at the edges) and reduces the risk of obstructing the viewfinder or autofocus sensors, especially on full-frame cameras. This makes it ideal for wide-angle and ultra-wide-angle lenses where thicker filters can cause significant vignetting.
2. **UV Protection**
The UV coating helps reduce lens flare and ghosting caused by ultraviolet light, which can be particularly noticeable in bright outdoor conditions or when shooting through glass. While modern lenses often have built-in UV protection, this filter provides an additional layer of clarity, especially for older or uncoated lenses.
3. **Multi-Coated Optics**
The filter features multi-layer anti-reflective coatings, which improve light transmission and reduce internal reflections. This results in sharper images with fewer lens flare artifacts, making it suitable for high-contrast scenes or backlit subjects.
4. **Glass Quality**
URTH uses high-quality optical glass, which is free from bubbles, inclusions, or color casts. The filter maintains optical clarity, ensuring that colors remain accurate and images are not distorted.
5. **Durability and Build**
The filter is made from hardened glass, which is resistant to scratches and smudges. The metal frame is sturdy and provides a secure grip, though it is not weather-sealed. The ultra-slim design also makes it less prone to damage during handling.
6. **Compatibility**
The 39mm thread size is standard for many DSLR and mirrorless cameras, and it can be used with step-up/rings for lenses with different filter sizes. This versatility makes it a practical choice for photographers with multiple lenses.
7. **Minimal Weight**
Weighing just a few grams, the filter adds negligible weight to your camera setup, which is beneficial for travel or long shooting sessions.
8. **Affordability**
Compared to some high-end specialty filters, this UV/UVST39 filter is reasonably priced, offering good value for its performance.
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### **Cons**
1. **Limited Use Case**
While the UV protection is useful, modern lenses are already designed to minimize UV-related issues. The primary benefit of this filter is its ultra-slim profile to reduce vignetting, not necessarily UV protection. If your lens already has minimal vignetting, the filter may not provide a noticeable improvement.
2. **No Polarizing or Neutral Density Functions**
This is a basic UV/UVST39 filter and does not include polarizing or graduated effects. If you need these features, you would require additional filters, which would increase the overall thickness and potential vignetting.
3. **Potential for Dust and Scratches**
Like all glass filters, this one can accumulate dust or scratches over time. While the glass is hardened, it is not indestructible, and care must be taken to avoid abrasive cleaning methods.
4. **No UVST39 Advantage for Some Lenses**
The "UVST39" designation indicates that the filter is designed to minimize vignetting on lenses with a short focal length (e.g., ultra-wide-angle lenses). However, if you primarily shoot with telephoto or standard lenses, the benefit of the ultra-slim profile may be less apparent.
5. **No UV Protection for Older Lenses?**
Some photographers argue that modern lenses do not benefit significantly from UV filters, as they are already optimized for visible light. The UV protection here is more of a legacy feature than a critical necessity for contemporary glass.
6. **Thread Compatibility Issues**
While 39mm is common, some lenses (especially older or specialty ones) may have non-standard threads. You may need step-up rings, which could add bulk and cost.
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### **Conclusion**
The **URTH UV/UVST39 39mm Ultra-Slim Multi-Coated Lens Filter** is a well-engineered product that excels in its primary function: reducing vignetting on wide-angle lenses while maintaining optical clarity. Its ultra-slim design makes it a practical choice for photographers who prioritize minimal obstruction and lightweight gear. The multi-coating and high-quality glass ensure that images remain sharp and free from unwanted reflections.
However, its usefulness is somewhat limited if you do not frequently shoot with wide-angle lenses or if you are already satisfied with your lens s performance without additional UV protection. For photographers who need a versatile, high-quality filter that fits seamlessly into their setup particularly those using ultra-wide-angle lenses the URTH filter is a solid recommendation. For others, it may be an unnecessary addition, especially if they are already using a polarizing filter or other specialty filters that could interfere with the viewfinder.
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### **Recommendation**
**Buy this filter if:**- You frequently use ultra-wide-angle or fisheye lenses and want to minimize vignetting.
- You shoot in bright outdoor conditions and want an extra layer of UV protection (though this is less critical for modern lenses).
- You prefer a lightweight, slim filter that does not obstruct your viewfinder or autofocus sensors.
- You value high-quality optical glass and multi-coating for reduced flare and improved clarity.
**Skip this filter if:**- You primarily shoot with standard or telephoto lenses where vignetting is not an issue.
- You already use a polarizing filter or other filters that could interfere with the viewfinder.
- You are on a tight budget and can achieve similar results with a basic UV filter from a different brand.
- You do not need the UV protection, as modern lenses are already optimized for visible light.
**Final Verdict:**For photographers who need a reliable, slim, and high-quality filter to complement their wide-angle lenses, the **URTH UV/UVST39 39mm Ultra-Slim Multi-Coated Lens Filter** is a worthwhile investment. Its strengths lie in its design and optical performance, making it a practical choice for those who prioritize image quality and minimal gear bulk.
PRECISION ENGINEERING Ultra-slim rim design for optimal optics, eliminating vignetting. SUPERIOR GLASS This UV Filter features 8-layer nano-coated Japanese AGC glass for exceptional light transmission and reduced flare. UV light can create a blue colour cast, but our Filter cuts out 99.6% of ultraviolet light, helping sharpen your images, especially in hazy conditions. QUALITY Constructed from robust magnesium, offering enduring protection.
Keep our UV Filter on your lens at all times without affecting exposure settings. Backed for life. If you drop your, our UV Filter may be the difference between replacing a filter and lens. ENHANCED IMAGE QUALITY This UV Lens Filter effectively cuts haze, ensuring sharper, more accurate colors in your photos.
ADVANCED LENS PROTECTION Lens Filter acts as a resilient barrier, safeguarding against scratches and environmental elements.