URTH Magnetic Infrared Lens Filter Spectrum Ir 9354842002397 72MM R72 720NM

( Brand: Urth ), ( Part Type: Filter ), ( Filter Shape: Circular ), ( Filter Effects: Infrared ), ( Mount Fitting: Threaded ), ( Filter Size: 72 Mm ), ( To Fit: Camera ), ( UPC: 354842002397 )

Review URTH 72mm Magnetic Infrared R72 Lens Filter Plus 720nm Spectrum Ir Photography

The **URTH 354842002397 72mm Magnetic Infrared (IR) R72 Lens Filter (720nm Spectrum)** is a high-performance optical accessory meticulously engineered for photographers, videographers, and imaging enthusiasts seeking to capture or eliminate infrared light with precision. Designed to fit seamlessly onto 72mm lens threads, this filter employs a robust magnetic mounting system, ensuring quick and secure attachment without the need for additional adapters or screws. The magnetic mechanism not only simplifies installation but also allows for effortless removal, making it ideal for fieldwork where speed and convenience are paramount. Crafted from premium optical-grade glass, the filter boasts an unobstructed 720nm infrared spectrum, effectively blocking wavelengths below this threshold while permitting natural visible light to pass through unaltered. This selective transmission creates a striking contrast between infrared and visible light, enhancing the visibility of details in low-light conditions or revealing hidden infrared reflections in landscapes, architecture, and wildlife photography. The filter s durable, weather-sealed construction ensures resistance to moisture, dust, and temperature fluctuations, making it suitable for both studio and outdoor use. Whether employed to enhance the aesthetic appeal of infrared photography, correct lens flare caused by infrared light, or isolate specific wavelengths for scientific or artistic purposes, this filter delivers exceptional clarity and color fidelity. Its compact yet sturdy design, combined with the reliability of magnetic mounting, positions it as a versatile tool for professionals and hobbyists alike, elevating the quality of infrared imaging across a wide range of applications.

The **URTH 354842002397 72mm Magnetic IR Filter (720nm Spectrum)** is a specialized optical filter designed for infrared (IR) photography, particularly in applications like wildlife, security, and scientific imaging where IR sensitivity is desired. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High-Quality Optical Performance**

The filter is designed to block visible light while allowing infrared wavelengths (typically 720nm and above) to pass through. URTH is known for producing high-precision optical glass, which minimizes chromatic aberration and ensures sharp, distortion-free images. This is critical for applications requiring accurate IR imaging.

2. **Magnetic Mount System**

The magnetic attachment mechanism is convenient for photographers who frequently switch between filters. It eliminates the need for filter holders or screw-in adapters, making it easier to attach and remove the filter quickly. This is particularly useful in fieldwork or surveillance scenarios where speed and accessibility matter.

3. **Durable Construction**

URTH filters are built with robust materials, including high-quality glass and metal frames. The 72mm size is standard, making it compatible with a wide range of lenses (though an adapter may be needed for smaller lenses). The magnetic mount is also designed to withstand repeated use without losing adhesion.

4. **Compatibility with IR-Sensitive Cameras**

The 720nm cutoff is ideal for cameras with IR-sensitive sensors (e.g., modified DSLRs with IR filters removed or dedicated IR cameras). It effectively blocks visible light while allowing near-infrared light to capture images that are invisible to the human eye, such as night vision or thermal-like imaging.

5. **Versatility in Applications**

- Wildlife photography (e.g., capturing animals that reflect IR light differently than visible light).

- Security and surveillance (e.g., detecting movement or objects in low-light conditions).

- Scientific research (e.g., plant health monitoring, where IR can reveal stress or water content).

- Artistic or experimental photography (e.g., creating surreal or otherworldly images).

6. **Easy to Clean and Maintain**

The glass surface is smooth and can be cleaned with standard optical cleaning solutions and microfiber cloths. The magnetic mount is also easy to wipe down, ensuring longevity.

7. **Cost-Effective for IR Work**

Compared to dedicated IR cameras or specialized lenses, this filter is a relatively affordable way to experiment with IR photography. It extends the capabilities of existing equipment without requiring significant investment.

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### **Cons**

1. **Limited to IR-Sensitive Equipment**

This filter is useless for cameras without IR sensitivity (e.g., standard unmodified DSLRs or smartphones). Users must either modify their camera (e.g., removing the IR-blocking filter) or use a dedicated IR camera. This limitation can be a significant drawback for hobbyists or professionals without IR-capable gear.

2. **Potential for IR Leakage**

While the 720nm cutoff is designed to block visible light, some visible light may still pass through, especially near the edges of the filter or if the glass quality is compromised. This can result in slightly visible images if the camera is not properly IR-modified or if the lighting conditions are bright. High-quality filters like this one minimize this issue, but it s still a consideration.

3. **Magnetic Mount Reliability**

While convenient, magnetic mounts can lose adhesion over time, especially if exposed to extreme temperatures or strong magnetic fields. The filter may accidentally detach during use, particularly in rugged environments. Some users report that the magnetism weakens after prolonged use.

4. **No UV or VIS Blocking Beyond 720nm**

The filter is specifically designed for IR (720nm and above), meaning it does not block ultraviolet (UV) light or other visible spectrum wavelengths. This could be problematic in applications where UV or specific visible light ranges need to be excluded.

5. **Size Limitations**

The 72mm size is standard but may not fit all lenses, especially those with smaller front elements. Users with smaller lenses (e.g., 52mm, 58mm) will need an adapter ring, which can add cost and bulk. Additionally, the magnetic mount may not fit lenses with very large or irregular front elements.

6. **Learning Curve for IR Photography**

IR photography requires an understanding of IR-specific techniques, such as proper white balancing, exposure settings, and post-processing. Beginners may struggle to achieve good results without prior knowledge of IR imaging principles.

7. **Potential for Image Artifacts**

IR light behaves differently than visible light, and some subjects may appear unnaturally colored or washed out in post-processing. For example, foliage often appears bright white in IR, while other objects may lack detail. This can be an artistic choice but may not suit all photographic goals.

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### **Conclusion**

The **URTH 72mm Magnetic IR Filter (720nm Spectrum)** is a well-engineered tool for photographers and researchers who require IR imaging capabilities. Its magnetic mount, high optical quality, and durability make it a practical choice for fieldwork or experimental photography. However, its effectiveness is heavily dependent on the user having IR-sensitive equipment, and it may not be suitable for applications requiring precise visible light blocking or UV exclusion.

The filter excels in scenarios where IR sensitivity is the primary goal, such as wildlife photography, security, or scientific research. For these use cases, its pros convenience, quality, and versatility outweigh its cons. However, for general photography or applications where visible light control is critical, the filter s limitations may make it less ideal.

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### **Recommendation**

- You already own or plan to modify an IR-sensitive camera (e.g., a DSLR with the IR filter removed).

- Your primary use case involves IR-specific applications like wildlife, security, or scientific imaging.

- You value the convenience of a magnetic mount and high-quality optical performance.

- You are willing to invest time in learning IR photography techniques.

- You do not have IR-sensitive equipment and are unwilling to modify your camera.

- You need a filter that blocks UV or specific visible light ranges beyond 720nm.

- Your lenses are too small (e.g., below 58mm) without an adapter, and you dislike the added bulk.

- You are a beginner in photography and lack experience with IR imaging.

- If you need a more versatile filter (e.g., blocking both IR and UV), consider a **UV/IR-cut filter** like the Hoya R72 or Tiffen 72.

- For professional or high-end IR work, explore dedicated IR cameras or lenses with built-in IR capabilities.

- If you re experimenting with IR, start with a cheaper, non-magnetic filter (e.g., a screw-in 720nm filter) to test compatibility before investing in the magnetic version.

In summary, this filter is a strong choice for dedicated IR users but may not be necessary for general photography. Always pair it with the right equipment and expectations for the best results.

Details:

Backed for life. About this item: ADVANCED INFRARED Urth Magnetic Infrared R72 Filter Plus cuts all wave lengths of visible light so only infrared above 720nm reaches your camera sensor. MAGNETIC ENGINEERING The magnetic design minimises space and weight in your kit speeds up workflow. Fast shipping.

Urth 72mm Magnetic Infrared R72 Lens Filter Plus 720nm Spectrum IR Photography for Digital DSLR SLR Camera Lenses: Brand new. Brand Urth, Material Optical Glass, Photo Filter Thread Size 72 Millimeters, Coating No Coating, Effect Type other, Water Resistance Level Not Resistant. REVEAL DETAILS This Infrared Filter let's you capture the dramatic high-contrast details of usually invisible infrared light. CORANANO ENHANCED GLASS Crafted from German SCHOTT B270 glass with our 20-layer Cora Nano coating for ultra-low reflectivity, superior contrast and resistance to water, oil fingerprints delivering exceptional clarity transmission.

The ultra-slim rim is designed for optimal optics, eliminating vignetting.

specifications filtecam:

• brand: Urth
• part type: Filter
• filter shape: Circular
• filter effects: Infrared
• mount fitting: Threaded
• filter size: 72 Mm
• to fit: Camera
• upc: 354842002397

general filtecam:

• condition: New
• Cameras Photo > Lenses Filters > Filters

returns filtecam:

• policy: No Returns

offer filtecam:

• started: March 4, 2026
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home

payments filtecam:

• wallet: Paypal
• credit card: Visa
• other

seller filtecam:

• # reviews: 3007
• city: Westland, Michigan
• rating: 99.6%

shipping filtecam:

• cost: $0.00
• class: Standard
• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage
• transit: 3-7 Days

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