
( Brand: D.o Industries ), ( Manufacturer Part Number: 20187 ), ( Type: Lens )
The Navitar 20187 1-inch Lens is a high-quality optical component designed for various applications in microscopy, inspection, and metrology. This lens features a 1-inch diameter bore, making it suitable for use with larger light sources or imaging systems.
The lens is made of high-grade optical glass that ensures clarity, accuracy, and durability. Its surface quality meets the rigorous standards of the imaging industry, with a high transmission rate, low distortion, and low scatter characteristics. The lens also exhibits excellent resistance to scratches and other forms of damage, ensuring long-lasting performance.
TheNavitar 20187 lens comes with a functional flange diameter of 52.56mm and a rear flange distance of 43.92mm. Its thread size is 1.035-42, making it compatible with common camera systems and microscope fittings. The lens also comes with an anti-reflection coating, which minimizes unwanted reflections and maximizes the amount of light that reaches the sensor or observer, improving image quality.
In terms of size and weight, the Navitar 20187 lens measures 5.57 inches in length, 3.8 inches in width, and weighs only 2.4 pounds. Its compact and lightweight design makes it easy to transport and use in various applications.
Navitar's 20187 1-inch Lens is a versatile and reliable optical component, ideal for use in applications such as metrology, inspection, microscopy, machine vision, spectral analysis, and other research and development fields. Its high-quality optical properties and robust design make it an excellent choice for professionals seeking precision and accuracy in their optical systems.
The Navitar 20187 1-inch CCTV lens is a popular choice among security and surveillance system installers. This lens offers several advantages that make it an attractive option. However, like any other product, it also comes with certain limitations. In this analysis, we will explore the pros and cons of buying a Navitar 20187 1-inch CCTV lens.
Pros:1. Superior Image Quality: The Navitar 20187 boasts a high-quality optic design that offers excellent image resolution and clarity. This makes it suitable for applications where detailed footage is essential, such as traffic monitoring, public safety, and retail security.
2. Wide Angle View: The lens has a wide 110-degree field of view, allowing it to cover larger areas effectively. It is particularly useful in spaces where multiple activities may be occurring simultaneously.
3. Durable Construction: The Navitar 20187 lens is designed to withstand harsh conditions, including extreme temperatures and difficult environments. Its robust construction makes it well-suited for outdoor installations.
4. Versatile Mounting Options: This lens offers multiple mounting options, making it adaptable to various CCTV systems. This flexibility is a significant advantage for installers as it eliminates the need to purchase additional equipment.
5. Cost-Effective: Compared to other high-quality lenses, the Navitar 20187 is relatively affordable, making it an attractive option for budget-conscious buyers.
Cons:1. Focal Length Limitations: The Navitar 20187 is fixed at 1-inch focal length, which may not be suitable for all security applications. When considering a system with variable focal lengths, the Navitar lens might not be the best choice.
2. Auto Iris Function Limitations: Use of the auto iris function may result in inconsistent exposure depending on the ambient lighting conditions, which could impact the lens's performance in low-light situations.
3. Limited Depth of Field: Given its wide angle view and fixed focal length, the Navitar 20187 has a relatively shallow depth of field. This may make it challenging to keep objects at varying distances properly focused.
Conclusion:The Navitar 20187 1-inch CCTV lens is a solid option for security system installers seeking a high-quality, cost-effective lens with a wide field of view. However, its limitations in regards to adjustable focal lengths and inconsistent exposure control with auto iris function make it a less suitable choice for more complex security systems. Based on this analysis, we recommend considering the Navitar 20187 as a reliable option for basic CCTV applications where clarity, wide coverage, and ruggedness are the primary concerns.
D.O Industries 1in f/2.8 Navitar Made in Japan 2018 7.