THORLABS NDK01 Partial Reflective Filter Kit T199008 7PCS 25MM SM1

( Brand: Thorlabs ), ( Part Type: Filter ), ( Manufacturer Part Number: NDK01 )

Review THORLABS Partial Reflective Nd Filter Kit 7pcs 25mm Sm1 Mounted

The Thorlabs NDK01 T1990.08 Partial Reflective ND Filter Kit is a comprehensive solution for neutral density (ND) filtering needs in applications where maintaining some level of reflection is essential. This kit includes seven pieces of 25mm diameter, SM1 threaded partial reflective ND filters, each offering different optical densities to cater to various lighting conditions.

The filters in this kit are characterized by their partial reflective coating, which allows a significant portion of incident light to pass through the filter while reducing the amount of light reaching the camera sensor. This property is particularly useful in situations where maintaining a reflection or transmission of specific wavelengths is necessary.

The filters in the NDK01 T1990.08 kit present the following optical densities (OD): ND0.3, ND0.6, ND1.2, ND1.5, ND2.1, ND3.0, and ND3.6. These values correspond to reductions in light transmission of approximately 10%, 50%, 75%, 87%, 93%, 98%, and 99.6%, respectively.

Each filter is constructed from optically flat, high-quality Schott glass to ensure minimal distortion and excellent image quality. The SM1 threading on the filters makes them compatible with a wide range of imaging systems and other optical components that feature the same threading standard.

The NDK01 T1990.08 Partial Reflective ND Filter Kit is an indispensable accessory for photographers, videographers, and researchers who work in environments where controlling the amount of light while maintaining some degree of reflection is crucial. With its comprehensive range of optical densities and high-quality construction, this kit offers versatility and reliability for various applications.

Pros and Cons of Buying Thorlabs NDK01 T199008 Partial Reflective ND Filter Kit (7pcs, 25mm SM1)

The Thorlabs NDK01 T199008 Partial Reflective ND Filter Kit includes seven pieces of 25mm SM1 threaded neutral density (ND) filters with varying densities. These filters are designed to reduce the amount of light entering an optical system while maintaining color neutrality. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this filter kit.

1. Versatility: With seven different densities available, this filter kit can cater to various lighting conditions, making it an excellent investment for researchers, students, and professionals in the field of optics and photonics.

2. High-quality materials: Thorlabs is a reputable brand known for its high-quality optics, ensuring that these filters provide excellent optical performance and durability.

3. Compatibility: The SM1 threading allows these filters to be easily integrated into various optical systems, including microscopes, spectrometers, and imaging systems.

4. Reduced ghosting and reflections: The partial reflective nature of these filters minimizes internal reflections, resulting in clearer images and reduced ghosting.

5. Cost-effective: The kit offers a cost-effective solution for acquiring multiple neutral density filters, saving potential buyers from purchasing individual filters.

1. Limited size range: These filters are only available in a 25mm diameter, which may not be suitable for all optical systems.

2. Potential stacking issues: Since the filters have a partial reflective coating, stacking multiple filters may result in increased reflections and ghosting.

3. Higher cost compared to some alternatives: While the kit offers cost savings when purchasing multiple filters, the individual filter prices may be higher than some alternatives in the market.

The Thorlabs NDK01 T199008 Partial Reflective ND Filter Kit (7pcs, 25mm SM1) offers several advantages, including versatility, high-quality materials, compatibility, and reduced ghosting and reflections. However, it also has some disadvantages, such as limited size range, potential stacking issues, and a higher cost compared to some alternatives.

Considering the pros and cons, this filter kit is an excellent investment for researchers, students, and professionals who require a set of high-quality neutral density filters for their optical systems. The versatility and durability offered by Thorlabs make it a worthwhile investment, even with the potential limitations and higher cost.

Details:

This set includes the filters shown, with 2x ND01A, ND02A, 1x ND03A, ND04A, and ND05A. The filters have some dust and smudges present, but I'm unable to tell if they any significant scratches. The unpacked weight of this item is 1 pound. I do not have the knowledge or equipment to test these filters, so they are sold As-Is.

This Thorlabs NDK01 Partial Reflective ND Filter Kit 7pcs 1in SM1 Mounted is in good cosmetic condition with signs of use. No software, power cords, or other accessories are included unless stated above

part #: ndk01 prices

• $150.00-$499.99

specifications detectoimage:

• brand: Thorlabs
• part type: Filter
• manufacturer part number: NDK01

general detectoimage:

• Test, Measurement Inspection > Cameras Imaging > Other Cameras Imaging
• condition: For parts or not working

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• service: UPS Ground
• carrier: UPS
• cost: $40.54
• class: Standard
• type: Calculated
• transit: 4-7 Days

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• policy: No Returns

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• sold: 0
• quantity: 1
• started: June 26, 2025
• availability: In Stock
• options: Ship-to-home
• best offers: True

seller detectoimage:

• # reviews: 51411
• rating: 100.0%
• city: Gilroy, California

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