
( Brand: Schneider ), ( Manufacturer Part Number: 68-062156 ), ( Part Type: Box Filter ), ( Filter Shape: Rectangular ), ( Mount Fitting: Matte Box ), ( Filter Effects: Neutral Density ), ( Country Of Origin: United States ), ( To Fit: Camera, Digital Camera, Film Camera ), ( Filter Size: 4x5.65 In ), ( UPC: 012240011674 )
The **Schneider 68-062156 Box 4x5.65 Platinum IRND 2.1 Filter** is a high-performance, precision-engineered optical filter designed for demanding applications in photography, cinematography, and scientific imaging where color accuracy, contrast enhancement, and infrared suppression are critical. This filter is housed in a robust, weather-sealed aluminum housing, ensuring durability and resistance to environmental elements such as moisture, dust, and temperature fluctuations. The **4x5.65" format** makes it ideal for medium-format cameras, large-format lenses, and professional studio setups where image quality and consistency are paramount. The **Platinum IRND 2.1** designation indicates a specialized infrared-neutral density filter that combines the benefits of a neutral density (ND) effect with infrared rejection, making it particularly useful in scenarios where excessive infrared light common in outdoor or high-contrast environments could otherwise degrade image fidelity or introduce unwanted color casts.
At its core, this filter operates by uniformly attenuating all visible light wavelengths while selectively blocking infrared radiation beyond the visible spectrum, typically beyond 700nm. This dual functionality allows photographers and videographers to achieve deeper shadows, extended depth of field, and smoother bokeh effects without sacrificing color balance, even in bright daylight conditions. The **ND 2.1** rating corresponds to a stop reduction of approximately 1.33 (logarithmic scale), enabling users to slow down their shutter speed by up to three full stops while maintaining proper exposure an invaluable tool for capturing motion blur, long-exposure landscapes, or creative effects in high-ambient-light scenarios. The filter s **infrared-neutral density** property ensures that the resulting images retain natural skin tones, foliage greens, and other color nuances that might otherwise appear washed out or unnatural due to infrared bleed.
Constructed with **optically coated Schott glass**, the Schneider 68-062156 delivers exceptional clarity, minimal ghosting, and reduced flare, even when used with wide-angle or telephoto lenses. The **multi-layer anti-reflective coating** enhances light transmission efficiency, ensuring that the filter s performance remains consistent across the entire visible spectrum. The **threaded aluminum housing** is designed for easy attachment and detachment, featuring a standard 77mm filter thread for compatibility with most medium-format lenses, though adapters may be required for specific setups. The filter s **weather-sealed construction** further enhances its versatility, allowing it to be used in outdoor environments without concern for condensation or dust ingress. Whether employed in portraiture, landscape photography, or motion picture production, this filter serves as a versatile tool for achieving professional-grade results with precision and reliability.
For professionals who demand the highest standards of image quality, the **Schneider 68-062156** stands out as a premium solution that bridges the gap between traditional ND filters and specialized infrared correction tools. Its ability to maintain color integrity while controlling exposure makes it an indispensable accessory for those working in dynamic lighting conditions or seeking to push the creative boundaries of their craft. With a reputation for craftsmanship and optical excellence, Schneider s Platinum series filters are trusted by industry leaders who require nothing less than perfection in their visual output.
### **Pros and Cons of buying a Schneider 68-062156 Box 4x5.65 Platinum IRND 2.1 Filter**
#### **Pros:**1. **High-Quality Optical Performance** Schneider Optics is a well-respected brand known for precision-engineered filters with minimal color fringing and distortion. The Platinum series is designed for professional use, ensuring sharp, accurate imaging.
2. **Specialized IRND (Infrared Neutral Density) Functionality** This filter combines an infrared (IR) passband with a neutral density (ND) effect, allowing photographers to capture infrared images while controlling exposure. This is particularly useful for infrared astrophotography, scientific imaging, or creative infrared photography.
3. **Precision-Machined for Minimal Vignetting** Schneider filters are designed with tight tolerances to reduce vignetting (darkening at the edges), ensuring consistent light transmission across the entire frame.
4. **Durable Construction** Made from high-quality optical glass with anti-reflective coatings, this filter is built to withstand frequent use without degradation.
5. **Compatibility with Schneider s Filter System** Schneider filters are designed to work seamlessly with their own filter holders and adapters, reducing the risk of misalignment or light leakage.
6. **Useful for Infrared Astrophotography** The IRND 2.1 filter allows photographers to capture infrared wavelengths while maintaining a controlled exposure, which is valuable for astronomical imaging of certain celestial objects.
7. **Professional-Grade Build** The filter is housed in a sturdy metal box, protecting it from dust, moisture, and physical damage during transport and use.
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#### **Cons:**1. **High Cost** Schneider filters are premium products, and this IRND filter is no exception. The price may be prohibitive for hobbyists or those on a tight budget, especially since it is a specialized filter with limited general use.
2. **Limited General Photography Use** Unlike standard ND or polarizing filters, this IRND filter is not versatile for everyday photography. Its primary application is in infrared or scientific imaging, which restricts its practicality for most photographers.
3. **Requires Compatible Equipment** To fully utilize this filter, you need a camera with an IR-sensitive sensor (most modern DSLRs and mirrorless cameras lack native IR sensitivity) and an IR-pass filter in front of the lens. This may require additional modifications or conversions.
4. **Potential for Sensor Damage** If used incorrectly (e.g., with an IR-blocking filter already in place), the filter could overheat the sensor or cause damage. Proper testing and setup are necessary before use.
5. **Niche Market Appeal** The demand for IRND filters is relatively low compared to standard filters, which could make finding support, replacements, or compatible accessories more difficult.
6. **Weight and Bulk** As a box filter, it is heavier and bulkier than screw-in filters, which may be less convenient for field photography or travel.
7. **Learning Curve for Infrared Work** Mastering infrared photography requires understanding IR wavelengths, post-processing techniques, and proper filter placement. Beginners may find the setup and workflow unfamiliar.
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### **Conclusion and Recommendation**
The **Schneider 68-062156 Box 4x5.65 Platinum IRND 2.1 Filter** is an exceptional tool for photographers specializing in infrared or scientific imaging who require high-quality optics and precise control over exposure. Its strengths lie in its optical purity, durability, and specialized functionality, making it ideal for professionals or serious enthusiasts working in niche fields like infrared astrophotography.
However, for most photographers particularly those shooting in visible light this filter is unnecessary due to its high cost and limited general applicability. If you are not working in infrared or scientific imaging, investing in a standard ND, polarizing, or graduated filter would likely be a more practical and cost-effective choice.
**Recommendation:**- **Buy if:** You are a professional or advanced photographer working in infrared or scientific imaging, and you need a high-quality, durable filter for precise IRND control.
- **Avoid if:** You are a general photographer, a beginner, or someone who does not require infrared capabilities. In such cases, consider more versatile filters or alternative solutions.
For those interested in infrared photography, it may also be worth exploring cheaper alternatives (such as screw-in IR filters) or testing with a lower-cost IR conversion before committing to a premium box filter. Always ensure your camera and lens setup is compatible with IR work before purchasing.
Constructed from premium water-white optical glass for exceptional clarity and performance. Designed for precise exposure control while eliminating infrared contamination common with digital cinema sensors, this filter delivers accurate color reproduction, cleaner blacks, and consistent neutral density performance without shift. The Platinum IRND series is engineered to remain free of off-axis color shift and can be stacked without introducing unwanted reflections. Compatible with all standard 4x5.65 filter trays.