LINDSEY OPTICS L-45-CPOLA-AR Round Brilliant Polarizer Anti 817804020826 4.5

( Brand: Lindsey Optics ), ( Manufacturer Part Number: L-45-CPOLA-AR ), ( Part Type: Circular ), ( Manufacturer Warranty: 1 Year ), ( Circular Size: 4.5mm ), ( Filter Effects: Polarizer ), ( Country Of Origin: United States ), ( To Fit: Camera ), ( UPC: 817804020826 )

Review LINDSEY OPTICS 4.5 Inch Round Brilliant pol Circular Polarizer Anti reflection

The **Lindsey Optics L-45-CPOLA-AR 4.5" Round Brilliant-Pol Polarizer with Anti-Reflection Coating** is a high-performance optical filter designed for precision imaging, scientific research, and professional photography applications where polarization control and minimal light loss are critical. Engineered with a **4.5-inch diameter** for compatibility with a wide range of optical systems, including microscopes, telescopes, and high-end cameras, this polarizer delivers exceptional clarity and contrast by selectively filtering light waves based on their orientation. At its core, the **Brilliant-Pol design** ensures uniform polarization across the entire optical surface, eliminating the color fringing and uneven polarization often found in cheaper alternatives. This makes it ideal for applications such as astronomy, where it enhances the visibility of celestial objects by reducing stray light, or in medical imaging, where consistent polarization improves diagnostic accuracy.

The **circular polarization (CPOLA) configuration** of this filter is particularly valuable in applications requiring precise control over reflected light, such as in photography, where it minimizes glare from non-metallic surfaces like water, glass, or foliage, resulting in sharper, more vibrant images. The **anti-reflection (AR) coating** applied to both surfaces of the polarizer further enhances performance by reducing internal reflections, which can otherwise degrade image quality by introducing ghosting or halos. This coating ensures that a maximum amount of light passes through the filter with minimal scattering, making it an excellent choice for low-light conditions or high-magnification setups.

Constructed from **optically superior materials**, the L-45-CPOLA-AR is built to withstand rigorous use while maintaining optical integrity. Its robust design allows for easy integration into optical mounts or filter holders, and its **threaded edge** ensures a secure, vibration-free fit within most standard filter systems. Whether used in a research laboratory to analyze birefringent materials, in astrophotography to capture deeper space details, or in professional photography to achieve flawless reflections, this polarizer stands out for its **precision engineering, durability, and uncompromising optical performance**. For users demanding the highest standards in polarization control, the Lindsey Optics L-45-CPOLA-AR is a reliable and high-efficiency solution.

### **Pros and Cons of buying a Lindsey Optics L-45-CPOLA-AR (4.5" Round Brilliant-Pol Polarizer with Anti-Reflection Coating)**

1. **High-Quality Optical Performance**

The L-45-CPOLA-AR is designed with **brilliant-pol (Brilliant Polarizer) technology**, which provides superior light transmission and contrast compared to standard polarizers. This makes it ideal for high-end photography, especially in challenging lighting conditions where glare and reflections are an issue.

2. **Anti-Reflection (AR) Coating**

The AR coating reduces internal reflections within the filter, improving clarity and minimizing ghosting or flare. This is particularly useful in macro photography, landscape work, or any situation where lens flare is a concern.

3. **Durable and Weather-Sealed Construction**

Lindsey Optics filters are built with **metal frames and glass elements**, making them sturdy and resistant to moisture and dust. This ensures longevity, especially for outdoor or field use.

4. **Threaded for Easy Installation**

The 4.5" size fits most DSLR and mirrorless lenses with standard filter threads (typically 77mm or 82mm with an adapter). The threaded design allows for quick attachment and removal without tools.

5. **Versatile for Various Photography Genres**

- **Landscape Photography:** Reduces glare from water, snow, or glass surfaces.

- **Macro Photography:** Enhances subject detail by minimizing reflections.

- **Wildlife & Nature:** Helps isolate subjects by darkening the sky or background.

- **Studio Work:** Useful in controlled lighting setups to manage reflections.

6. **Compatibility with Other Filters**

Since it is a **screw-in filter**, it can be stacked with other filters (e.g., UV, ND, or gradient ND) if needed, though this may slightly reduce light transmission.

7. **Good Reputation for Durability**

Lindsey Optics is known for producing high-quality, long-lasting filters, and this model is no exception. Many photographers report reliable performance over extended use.

---

1. **Expensive Compared to Basic Polarizers**

This is a **premium polarizer**, and its cost reflects the advanced Brilliant-Pol technology and AR coating. Budget photographers may find it unnecessary if they only need basic polarization effects.

2. **Potential for Overuse**

While polarizers are useful, over-reliance on them can lead to **unnatural color shifts** (especially in skies) or **loss of detail** if the filter is used in situations where it s not needed (e.g., indoor photography with controlled lighting).

3. **Slight Light Loss**

Like all polarizers, this filter **reduces light transmission by about 1-2 stops**, which may require slower shutter speeds or higher ISO in low-light conditions. The AR coating helps mitigate some of this, but it s still a consideration.

4. **Size Limitations**

The **4.5" size** may not fit all lenses without an adapter. While common, photographers with ultra-wide or specialty lenses may need additional accessories.

5. **Not a Magic Solution**

A polarizer **cannot replace proper exposure settings** or **post-processing**. It enhances existing conditions but does not compensate for poor lighting or composition.

6. **Potential for Vignetting**

Some users report **slight vignetting** (darkening at the edges) when using polarizers, though this is usually minimal with high-quality filters like this one.

---

The **Lindsey Optics L-45-CPOLA-AR** is one of the best **high-end screw-in polarizers** available, offering **superior polarization, anti-reflection benefits, and durability**. It is an excellent investment for photographers who prioritize **image quality, versatility, and long-term use** in demanding conditions.

However, it is **not essential** for every photographer. If you primarily shoot in controlled environments (e.g., studio, indoor events) or prefer digital post-processing over in-camera adjustments, a **basic polarizer or even a digital alternative** (e.g., polarizing effects in Lightroom) might suffice.

For **landscape, wildlife, macro, or outdoor photographers** who frequently deal with glare and reflections, this filter **justifies its cost** due to its **performance, build quality, and reliability**.

---

- You shoot in **outdoor or natural light conditions** where glare is a common issue.

- You want **the best possible polarization and minimal internal reflections**.

- You value **durability and long-term use** in harsh environments.

- You are willing to invest in **premium optical accessories** that enhance your workflow.

- You shoot mostly **indoors or in controlled lighting** where a polarizer is rarely needed.

- You are on a **tight budget** and can achieve similar effects with a **basic polarizer or post-processing**.

- You prefer **variable ND filters** or **digital polarization** over physical filters.

For **serious photographers** who demand the best, the **Lindsey Optics L-45-CPOLA-AR** is a **highly recommended upgrade** over standard polarizers. Its **Brilliant-Pol technology and AR coating** make it a **top-tier choice** for those who prioritize image quality and versatility. However, it is **not a necessity** for casual or studio-based photographers.

Details:

It can also saturate blue skies and increase color saturation in landscapes by reducing micro-reflections the scene. They come in different sizes, including 110, 104, and 95mm, for use with lenses. Lindsey Optics Brilliant-Pol Polarizes 4.5mm: designed for cinematography, the Round Circular Polarizer from is an un threaded drop-in filter that can be inserted directly into select cine matte boxes or used with compatible clamp-on adapters. TIP HOW TO PROLONGING THE LIFE OF YOUR FILTERS: Filters, like all crafted Optics, are susceptible not only to breakage, but to premature aging caused by environmental factors.

Even with protective measures employed, there are many factors that can still affect the longevity of filter: moisture prolonged exposure to humidity ,excessive heat and excessive light most common environmental causes that filters chemistry over time. Compatible adapters include the Lindsey Optics Clamping Adapter 114mm Barrel to 4.5 Filter and Brilliant Thumb Screw Clamp. The use of filter pouches or specialized cases will also keep your filters safe from breakage when not in. Every Lindsey Optics Circular Polarizer is marked with This Side Out to aid in quickly orienting the polarizer correctly.

Most filters are made up of several layers materials consisting glass, dyes,optical cements, chemical compounds, particles etc. The Lindsey Optics Circular Polarizer consists of a linear polarizer component and quarter wave retarder that spins the light, effectively depolarizing on camera side. Hand blower first, if its just light dust, that usually handles it. They also have a water resistant easy clean top coating.

The 4.5 filter is highly efficient at reducing reflections on glass and water. They are extremely efficient at reducing reflections on glass and water. These optional adapters clamp on directly to the lens barrel. To protect your filters and keep them in great working condition for a long time along with the rest of camera gear we recommend making sure to stored dark, cool, dry place when not use.

They also can saturate blue sky and increase color saturation in landscapes by reducing micro-reflections the scene. Protecting your filters as you would camera lenses will ensure many years of use. If you are in a humid environment, the addition of fresh silica gel packs or dehumidifier theorem they stored is also highly recommended.

part #: l45cpola prices

• $250.00-$270.00

specifications filtecam:

• brand: Lindsey Optics
• mpn: L-45-cpola-ar
• part type: Circular
• manufacturer warranty: 1 Year
• circular size: 4.5mm
• filter effects: Polarizer
• country of origin: United States
• to fit: Camera
• upc: 817804020826

seller filtecam:

• rating: 100.0%
• # reviews: 19174
• city: Chatsworth, California

shipping filtecam:

• type: Fixed
• carrier: FedEx
• cost: $9.99
• service: Standard, FedEx 2Day
• class: Standard, Expedited
• transit: 3-9 Days

general filtecam:

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

offer filtecam:

• best offers: True
• options: Ship-to-home
• quantity: 2
• started: May 12, 2026
• availability: In Stock
• sold: 0

payments filtecam:

• credit card: Mastercard
• other
• wallet: Google-pay

returns filtecam:

• policy: Returns Accepted
• method: Money back
• paid by: Buyer
• time: 14 Days

Lindsey Optics L-45-CPOLA Is Similar To:

• L-45-clear-ar-bstock Lindsey Optics Brilliant Clear Filters (42.3% similar) The flatness of our filters is tested on sago phase shift interfered. They will not introduce distortions, color shifts or focus shift. Lindsey Optics brilliant clear filters - designed to protect expensive cine lenses while maintaining image quality. B stock filters may have small cosmetic defects ...(November 7th, 2018)
• L-4565-diopter1-4 Lindsey Optics Diopter Brilliant Tray Mount Lens 817804021298 (40.9% similar) 65 tray, which gives a they do not work with bedrock micro matte boxes. A close-up lens with strength of 1/4 Dipper is used to focus on slightly smaller object field, when the cine being won't that closely. The 1 and 2 use slots 3 uses in matte box. The BRILLIANT2 dippers fit in arr, bright ...(June 24th, 2018)
• L-4565-diopter2 Lindsey Optics Diopter Brilliant Tray Mount Lens 817804021267 (41.4% similar) A close-up lens with strength of 1/4 Dipper is used to focus on slightly smaller object field, when the cine being won't that closely brilliant tray mount fits directly into X5. 65 matte boxes, occupying 2 slots in the box. The 1 and 2 use slots 3 uses in matte box. A close-up lens with strength of ...(June 24th, 2018)
• L-4565-rstreak-blue-confetti Lindsey Optics New Brilliant Blue Confetti Filter With (41.1% similar) The brilliant rota-streak filter is a new twist in streak filters giving creative options for in-camera streak, star and swirl effects. Or motorize the rotation for dynamic rotating streak, star and swirl effects. To make streak filters they use a unique manufacturing method laminate very small ...(March 9th, 2019)
• L-4565-rstreak-clear-confetti Lindsey Optics New Brilliant Clear Confetti Filter With (44% similar) Lindsey Optics brilliant streak filters create exciting streaks on bright lights and highlights in a scene choose any angle for static. By incorporating the rod lenses with different spacing, a variety of streak effects can be achieved. The brilliant rota-streak filter is a new twist in streak ...(March 9th, 2019)
• L-4565-rstreak-green-confetti Lindsey Optics New Brilliant Green Confetti Filter With (39.6% similar) Or motorize the rotation for dynamic rotating streak, star and swirl effects. The rotating filter mount allows rotation of streak effect to find just right angle for. A closer spacing creates stronger effect, wider weaker effect. Key words: arr reflex red stiffen penalising. By incorporating the rod...(March 9th, 2019)
• L-4565-rstreak-pink-confetti Lindsey Optics New Brilliant Pink Confetti Filter With (38.9% similar) The brilliant rota-streak filter is a new twist in streak filters giving creative options for in-camera streak, star and swirl effects. Lindsey Optics brilliant rota-streak - pink confetti listing for sale is 1 filter with rota-tray frame. By incorporating the rod lenses with different spacing, a ...(March 9th, 2019)
• L-4565-rstreak-yellow-swirl Lindsey Optics Brilliant Yellow Swirl Filter With Frame (44.4% similar) The brilliant rota-streak filter is a new twist in streak filters giving creative options for in-camera streak, star and swirl effects. By incorporating the rod lenses with different spacing, a variety of streak effects can be achieved. A closer spacing creates stronger effect, wider weaker effect....(March 9th, 2019)
• L-6666-diopter1-2 Lindsey Optics Diopter Brilliant Tray Mount Lens Filter 817804022370 (39.3% similar) Created for cinematography, our tray mount close up lenses can be quickly inserted in the matte box to focus closer than can be achieved by the cine lens in use. 6.6INCH x 6.6INCH 1/2 Dipper brilliant tray mount close-up lens. The Lindsey Optics L-6666-DIOPTER1-2 is in new condition...(February 18th, 2022)
• New Lindsey Optics Brilliant 1 Stop Rota-pol Circular Polarizer 4x5.65inch 138mm (57.6% similar) The Lindsey Optics BRILLIANT2 1 stop rota-pol is a circular polarizer that fits in 4X5.65INCH cine matte boxes and allows simple and effective rotation of the included 138MM round 1 stop brilliant-pol circular polarizer. The Lindsey Optics L-4565-1STOP-ROTAPOL is in new condition...(July 29th, 2022)
• Lindsey Optics Brillian Rota-streak Filters Clear 3mm Cylindrical Lens Spacing (41.1% similar) Lindsey Optics brilliant streak filters create exciting streaks on bright lights and highlights in a scene. Lindsey Optics. A closer spacing creates a stronger effect, a wider spacing creates a weaker effect. The Lindsey Optics L-4565-RSTREAK-KRYSTAL is in new condition...(September 28th, 2022)