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Sirui S-Pro 40.5mm Ultra Slim Nano MC UV Filter — main product image
Sirui

Sirui S-Pro 40.5mm Ultra Slim Nano MC UV Filter

★★★★★4.3 (9 reviews)

Enhance Your Photography with Crystal-Clear Protection The Sirui 40.5mm Ultra Slim S-Pro Nano MC UV Filter is designed to protect your lens from scratches, dust, and UV rays while enhancing image clarity. Its ultra-slim design minimizes vignetting, making it ideal for wide-angle lenses. Specifi...

$26.66*
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*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

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Overview

Enhance Your Photography with Crystal-Clear Protection

The Sirui 40.5mm Ultra Slim S-Pro Nano MC UV Filter is designed to protect your lens from scratches, dust, and UV rays while enhancing image clarity. Its ultra-slim design minimizes vignetting, making it ideal for wide-angle lenses.

Specifications:
  • Filter Size: 40.5mm
  • Type: UV Filter
  • Coating: Multi-Coated (6 layers), Nano Anti-Reflective Coating (22 layers)
  • Glass Thickness: 1.5mm

Key Features

Filters UV radiation - less haze, richer colours

Protects the lens against external influences

1.5 mm glass thickness - 2 mm visible metal frame - ideal for wide angle lenses

Multicoated - 6-layer coating | nano anti-reflective coating - 22-ply

SIRUI Ultra Slim S-Pro Nano MC UV Filter 40.5 mm

Specifications

Brand
Sirui
Filter Type
UV Filter
Filter Diameter
40.5mm
Glass Thickness
1.5 mm
Frame Thickness (Visible)
2 mm
Coating
Multicoated (6-layer), Nano Anti-Reflective (22-ply)
Features
Filters UV radiation, Protects lens, Ideal for wide angle lenses
Series
S-Pro Nano MC UV Filter

Pros & Cons

👍 Pros

  • Effectively filters UV radiation, leading to less atmospheric haze and richer, more saturated colors in photographs.
  • Provides robust protection for the camera lens against external influences like dust, scratches, and accidental impacts.
  • Features an ultra-slim 1.5 mm glass thickness and 2 mm visible metal frame, preventing vignetting on wide-angle lenses.
  • Utilizes a multicoated, 6-layer coating with an additional nano anti-reflective coating (22-ply), minimizing reflections and glare.
  • Specifically designed as an S-Pro Nano MC UV Filter, indicating advanced technology for superior optical performance.

👎 Cons

  • As a 40.5mm filter, its compatibility is limited to lenses with a matching 40.5mm filter thread size.
  • While it reduces haze, it does not offer creative effects like polarization or neutral density filtering.
  • The primary function is protection and UV reduction, so users needing more specialized filters will need additional purchases.
  • The ultra-slim design is beneficial, but the visible metal frame could still be a minor aesthetic factor for some users.
  • The "nano anti-reflective coating" is premium but may require specific cleaning methods to maintain its integrity.

Frequently Asked Questions

The main purpose of this filter is to reduce UV radiation, which helps to minimize atmospheric haze and improve color saturation in photos, while also protecting the lens from damage.
No, the Sirui S-Pro UV Filter features an ultra-slim 1.5 mm glass thickness and a 2 mm visible metal frame, specifically designed to prevent vignetting, even on wide-angle lenses.
This filter boasts a multicoated, 6-layer coating with an additional 22-ply nano anti-reflective coating, which is highly effective at minimizing reflections and lens flare for clearer images.
This Sirui UV filter has a diameter of 40.5mm, making it compatible with camera lenses that have a matching 40.5mm filter thread.
The Sirui S-Pro UV filter's primary functions are UV reduction and lens protection; it does not offer creative effects such as altering exposure or polarization, which typically require different types of filters.

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