66-1102642 Pro Htc Kasemann Polarizer Filter 77MM 66-1098347

( Brand: B-w ), ( Manufacturer Part Number: 66-1102642 ), ( Part Type: Circular Filter ), ( Filter Shape: Circular ), ( Unit Type: Unit ), ( Item Height: 77 Mm ), ( Filter Effects: Polarizer ), ( Mount Fitting: Threaded ), ( Country Of Origin: Germany ), ( To Fit: Camera )

Review B W 77mm T pro Htc pol Kasemann Circular Polarizer Filter

The **HTC-POL T-Pro 77mm Polarizing Filter (66-1102642)** from Kasemann is a high-performance, multi-coated optical glass polarizer designed to elevate the quality of your photography by significantly reducing glare, reflections, and unwanted light interference. Crafted from premium **T-Pro (Thermally Stable Professional) glass**, this filter is engineered to maintain its optical clarity and color fidelity even under extreme temperature fluctuations, ensuring consistent performance whether you re shooting in scorching deserts or freezing alpine environments. The **77mm diameter** makes it compatible with a wide range of lenses, from mid-range to large-format photography, while its **threaded edge** allows for easy attachment and removal, even with gloves on, thanks to its smooth, non-slip surface.

What truly sets this polarizer apart is its **high-grade linear polarizing technology**, which effectively blocks horizontally polarized light such as the harsh reflections off water, glass, or foliage while allowing vertically polarized light to pass through. This results in deeper blues in skies, richer foliage tones, and sharper contrasts in landscapes, all without the color shifts or vignetting often associated with lower-quality polarizers. The **multi-layer anti-reflective coating** on both surfaces minimizes internal reflections, ensuring maximum light transmission and image clarity, while the **iron-free glass** prevents magnetic interference, making it ideal for use with electronic viewfinders and autofocus systems.

Beyond its technical superiority, the **Kasemann HTC-POL T-Pro** is built to last, featuring a **durable aluminum frame** that resists warping and maintains precise circularity over time. The **screw-in design** ensures a secure fit, reducing the risk of filter rotation during use, while the **non-reflective black matte finish** on the rear side prevents flare and ghosting. Whether you re a landscape photographer seeking to enhance the drama of your scenes, a travel shooter aiming to capture vibrant reflections, or a studio professional refining product imagery, this polarizer delivers professional-grade results with every shot. Its versatility, durability, and optical precision make it an indispensable tool for photographers who demand the best in image quality and reliability.

### **Pros and Cons of buying a HTC-Pol Polarizer Filter (66-1102642, 77mm, T-Pro, Kasemann Polarization)**

1. **High-Quality Polarization** The Kasemann polarization system ensures consistent and reliable polarization, reducing glare and reflections effectively. This is particularly useful for outdoor, landscape, and macro photography where glare can be problematic.

2. **T-Pro Threading** The T-Pro (Threaded Protection) design means the filter is screwed onto a protective ring rather than directly onto the lens. This prevents scratches on the lens glass and makes the filter easier to remove and replace.

3. **Durable Construction** Made from high-quality glass, this filter is resistant to scratches and optical distortion, ensuring long-term performance.

4. **Good Light Transmission** Polarizers can reduce light transmission by up to 1-2 stops, but this particular filter maintains reasonable clarity while effectively blocking glare.

5. **Versatile Use** Works well with a wide range of lenses (77mm thread) and is suitable for photography in bright conditions, such as beaches, water, and urban scenes.

6. **Brand Reputation** Kasemann is a well-regarded brand in the photography filter market, known for producing reliable and high-quality accessories.

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1. **Light Loss** Polarizers inherently reduce light transmission, which may require slower shutter speeds or higher ISO settings in low-light conditions. This could be a drawback in dim environments.

2. **Limited Color Shifts** While not extreme, some polarizers can introduce slight color casts (e.g., blue or green tints). This filter is generally well-balanced, but individual lenses may still exhibit minor variations.

3. **Not a Multi-Coated Filter** Some higher-end polarizers include multi-coating to reduce reflections and improve clarity. This filter may not have this feature, though it is still effective.

4. **Size Compatibility** The 77mm size is standard but may require an adapter if you have lenses with different thread sizes (e.g., 58mm, 67mm). This adds extra cost if adapters are needed.

5. **Potential for Ghosting** Some polarizers can cause slight ghosting or flare in certain lighting conditions, though this is usually minimal with a well-made filter like this one.

6. **Cost** While not excessively expensive, it is a specialized filter, and if you don t frequently use polarization, the investment may not be justified for every photographer.

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The **HTC-Pol Kasemann Polarizer (66-1102642, 77mm, T-Pro)** is a solid choice for photographers who need reliable polarization for reducing glare and enhancing contrast in outdoor scenes. Its T-Pro design protects lenses, and the Kasemann polarization system delivers consistent results. However, the trade-off of reduced light transmission and potential minor color shifts should be considered, especially for low-light photography.

If you frequently shoot landscapes, macro, or scenes with reflective surfaces (water, glass, etc.), this filter is highly recommended. For casual photographers or those who rarely use polarization, a cheaper alternative or a circular polarizer (if needed for video) might be more practical.

- You prioritize glare reduction and contrast enhancement.

- You want a durable, scratch-resistant filter with T-Pro protection.

- You shoot in conditions where polarization is beneficial (e.g., outdoor landscapes, water photography).

- You frequently shoot in low light and need maximum light transmission.

- You require a multi-coated filter for better clarity.

- You re on a tight budget and don t use polarization often.

Overall, this is a **high-quality, reliable polarizer** that justifies its cost for serious photographers who need its features.

Details:

I purchased the filter brand new from Bin NYC and never put it on a lens. Includes original leather case and packing box. For sale is a new never used 77mm B W T-Pro HTC-Pol Kasemann Circular Polarizer Filter model 66-1098347.

part #: 661102642 prices

• $230.00-$235.00

specifications filtecam:

• brand: B-w
• mpn: 66-1102642
• part type: Circular Filter
• filter shape: Circular
• unit type: Unit
• item height: 77 Mm
• filter effects: Polarizer
• mount fitting: Threaded
• country of origin: Germany
• to fit: Camera

seller filtecam:

• city: Philadelphia, Pennsylvania
• # reviews: 39
• rating: 100.0%

payments filtecam:

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

returns filtecam:

• policy: No Returns

shipping filtecam:

• carrier: FedEx
• type: Fixed
• cost: $6.79
• class: Economy
• service: FedEx Ground Economy
• transit: 5-12 Days

offer filtecam:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: June 5, 2026
• availability: In Stock

general filtecam:

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

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