Hoya

Hoya 40.5mm Linear Polarizing Screw-in Filter

Name: Hoya 40.5mm Linear Polarizing Screw-in Filter
Brand: Hoya
SKU: 40.5mm Linear Polarizing

★★★★★4.2 (96 reviews)

Reduce glare and deepen sky contrast with Hoya's precision-ground 40.5mm linear polarizing filter for manual focus lenses.

$27.90*

✓ In Stock on Amazon.com

View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

The Hoya 40.5mm Linear Polarizing Screw-in Filter is a purpose-built optical accessory for photographers who want to tame reflections and enrich natural colors in their images. By selectively filtering polarized light, the filter cuts through glare bouncing off water, glass, foliage, and other non-metallic surfaces, revealing clearer detail and deeper color beneath. It is especially effective for landscape and outdoor photography, where it can dramatically darken blue skies, increase cloud definition, and boost the overall vibrancy of a scene without altering the underlying color balance.

Built from Hoya's precision-ground optical glass and housed in a slim aluminum frame, the filter screws into any 40.5mm lens thread and features a rotating ring that lets you continuously adjust the polarization angle in real time. This gives you full creative control over how much glare is removed or how intensely colors are saturated. It is important to note that this is a linear polarizer, which makes it ideal for manual focus cameras and vintage lenses but incompatible with the autofocus and TTL metering systems found in most modern camera bodies. For photographers shooting with classic manual focus gear, it remains one of the most effective and affordable ways to improve image quality directly at the lens.

Key Features

BLOCKS REFLECTIONS FOR CLEARER, SHARPER IMAGES – Cut through glare from water, glass, and shiny surfaces using this polarizing filter for camera lens. Perfect for outdoor photography and shooting with polarized camera lens filters.

ENHANCES SKY CONTRAST AND NATURAL COLORS – Create stunning skies and vivid landscapes with our 40.5mm lens filter. This professional-grade camera lens filter intensifies blue skies and saturates colors without affecting color balance.

ADJUSTABLE ROTATING FRAME FOR CUSTOM EFFECTS – The slim aluminum rotating ring lets you control polarization levels in real time. This polarizer 40.5 mm lens filter is ideal for camera lens effects and creative composition.

BUILT FOR MANUAL FOCUS LENSES AND CAMERAS – Designed for manual focus photography, this polarizer filter ensures accurate exposure without interference, essential for professionals using lens filters or vintage gear.

DURABLE DESIGN WITH HOYA’S LEGENDARY GLASS QUALITY – Crafted from high-quality optical glass with a slim aluminum frame, this polarized camera lens filter delivers lasting performance for photographers seeking reliable camera accessories.

Specifications

Brand

Hoya

Filter Size

40.5mm

Filter Type

Linear Polarizing

Mount Type

Screw-in

Material

Optical Glass

Frame

Slim Aluminum

Coating

Multi Coating

Pros & Cons

👍 Pros

Effectively cuts reflections from water, glass, and shiny surfaces for cleaner outdoor shots.
Enhances blue sky contrast and natural color saturation without shifting overall color balance.
Rotating aluminum ring allows real-time adjustment of polarization intensity while composing.
Constructed from high-quality Hoya optical glass for reliable sharpness and clarity.
Slim frame design minimizes the risk of vignetting on standard focal length lenses.

👎 Cons

Linear polarizer design is not compatible with autofocus or TTL metering systems found in most modern cameras.
The 40.5mm thread size fits a limited range of lenses, so it cannot be shared across most lens collections without step-up rings.
Polarizing filters reduce light transmission by roughly 1–2 stops, requiring exposure compensation in low-light conditions.
Single-coated glass may be more prone to flare compared to multi-coated alternatives in some shooting conditions.

Frequently Asked Questions

What is the difference between a linear polarizer and a circular polarizer, and which cameras is this filter designed for?

Linear polarizers are designed for manual focus cameras where the metering and autofocus systems are not affected by polarized light. If your camera uses autofocus or TTL metering, a circular polarizer is typically recommended instead.

How do I adjust the strength of the polarizing effect?

The filter has a slim aluminum rotating ring that you turn while looking through the viewfinder. Rotating the ring changes the angle of polarization, letting you dial in the exact amount of glare reduction or sky contrast you want.

Will this filter fit my lens?

This filter fits any lens with a 40.5mm front filter thread. Check your lens cap or the markings around the front of your lens for the thread size, often indicated by the ⌀ symbol followed by the diameter in millimeters.

Does the Hoya linear polarizer add a color cast to images?

No. The filter is designed to enhance natural color saturation—particularly blue skies and foliage—without introducing an unwanted color cast or shifting the overall color balance of your images.