C. FRIEDRICH 133-25 Cf Varifocal Lens Aperture 133-145MM F/7.4-8.1 18.0MM

( Brand: C. Friedrich ), ( Manufacturer Part Number: 133-25 ), ( Model: CF-R 133-25 ), ( Lens Barrel Material: Aluminum ), ( Maximum Aperture: F/8.1 ), ( Type: Standard ), ( Focal Length: 133-145mm ), ( Country/region Of Manufacture: Germany )

Review C. FRIEDRICH Cf r 133-145mm F/7.4-8.1 Varifocal Lens 18.0mm Aperture

The Friedrich 133-25 CF-R Vari-Focal Lens, with a focal length ranging from 133-145mm and an aperture of 18.0mm (F7.4-F8.1), is a versatile and high-performance optic designed for security and surveillance applications. This lens offers a significant field of view adjustability, making it an excellent choice for monitoring large areas or maintaining focus on specific subjects at a distance.

The Vari-Focal design allows for smooth and precise adjustment of the lens's focal length, enabling operators to quickly and easily adjust the viewing angle as needed. The lens's wide angle capability at the shorter end of its focal range delivers an expansive field of view, while the longer focal lengths provide the ability to zoom in on distant objects, maintaining image clarity and detail.

The Friedrich 133-25 CF-R Vari-Focal Lens is constructed with high-quality optical glass and advanced coatings that minimize distortion, chromatic aberration, and other optical imperfections. It also features a rugged, weatherproof housing that is suitable for outdoor use and can withstand harsh environmental conditions.

* Manual focus and zoom control

* Wide angle to telephoto adjustability

* High image quality with low distortion

* Rugged, weatherproof design

* Suitable for use with most CCTV systems and security cameras

With its impressive field of view adjustability, excellent image quality, and durable construction, the Friedrich 133-25 CF-R Vari-Focal Lens is an essential tool for any security or surveillance application. Whether you need to monitor a large area or keep a close eye on distant objects, this lens delivers the flexibility and performance you require.

A Detailed Analysis of the Friedrich 133-25 CF-R 133-145mm f/7.4-8.1 Varifocal Lens

The Friedrich 133-25 CF-R 133-145mm f/7.4-8.1 Varifocal Lens is a versatile optic solution designed for security and surveillance applications. This lens offers a variable focal length range, making it suitable for capturing wide fields of view and detailed close-ups. In this analysis, we will discuss the key features, advantages, and disadvantages of this lens to help you make an informed purchasing decision.

1. Variable focal length range (133-145mm)

2. Aperture range (f/7.4-8.1)

3. C-Mount design

4. Manual focus

5. IR correction for night vision applications

1. Versatility: The variable focal length range allows users to adjust the lens for different surveillance needs, making it a more flexible option compared to fixed focal length lenses.

2. Wide field of view: The longer focal length provides a narrower field of view, perfect for focusing on specific areas, while the shorter focal length offers a wider field of view for monitoring larger areas.

3. Cost-effective: This lens is more affordable compared to some high-end surveillance lenses from other manufacturers, making it an attractive option for budget-conscious users.

4. Manual focus: The manual focus feature enables users to fine-tune the focus of the lens, ensuring that critical details are always in sharp focus.

5. IR correction: The IR correction feature ensures that the lens provides accurate color representation in low-light conditions, which is essential for effective surveillance.

1. Manual focus only: While manual focus provides greater control, it may not be as convenient as autofocus for some users, especially those who require quick adjustments.

2. Limited aperture range: The f/7.4-8.1 aperture range may not be as bright as some other lenses, which could impact performance in low-light conditions.

3. Potential image quality issues: Some users have reported inconsistent image quality, including vignetting and distortion, particularly at the shorter end of the focal length range.

The Friedrich 133-25 CF-R 133-145mm f/7.4-8.1 Varifocal Lens offers a versatile and cost-effective solution for security and surveillance applications. Its variable focal length range, wide field of view, and manual focus provide users with greater control over their monitoring setup. However, its limitations, such as the manual focus and limited aperture range, may not be ideal for all users. Ultimately, the decision to purchase this lens depends on your specific surveillance requirements and budget. If you value flexibility and control, this lens may be an excellent choice. However, if you require autofocus or a brighter aperture, you may want to consider other options.

If you are in the market for a versatile and cost-effective varifocal lens for security and surveillance applications, the Friedrich 133-25 CF-R 133-145mm f/7.4-8.1 Varifocal Lens is worth considering. Its variable focal length range, wide field of view, and manual focus offer users greater control over their monitoring setup. However, be prepared for potential image quality issues, and consider your specific surveillance requirements and budget before making a final decision.

Details:

Design: Cooke Triplet 3 elements Cluster Lens. Friedrich CF-R 133-25 133-145mm f/7.4-8.1 Varifocal 18mm Lens. Fine construction, with an exceptionally clear, high quality image. Distributor Roslyn Optics: #35.1133.

Lens is pristine and unused. Made in Germany. Adjustable focus from 133.0mm to 145.0mm. Specifications.

High quality Cooke Triplet design. Vintage stock, new in original packaging.

part #: 13325 price

• $29.00

specifications lephovi:

• brand: C. Friedrich
• mpn: 133-25
• model: Cf-r 133-25
• lens barrel material: Aluminum
• maximum aperture: F/8.1
• type: Standard
• focal length: 133-145mm
• country/region of manufacture: Germany

offer lephovi:

• availability: In Stock
• sold: 0
• started: June 8, 2025
• options: Ship-to-home

payments lephovi:

• other
• credit card: Diners-club
• wallet: Paypal

returns lephovi:

• policy: Returns Accepted
• method: Money back
• paid by: Seller
• time: 30 Days

general lephovi:

• Cameras Photo > Vintage Movie Photography > Vintage Lenses

shipping lephovi:

• carrier: USPS, UPS
• cost: $7.15
• service: USPS Ground Advantage, UPS Ground Saver
• type: Calculated
• transit: 4-9 Days
• class: Standard, Economy

seller lephovi:

• rating: 100.0%
• city: Tucson, Arizona
• # reviews: 635

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