Cokin
Cokin WA1T665 A665 Gradual Fluo Red 2 Filter
★★★★★
Add Creative Color Effects to Your PhotographyThe Cokin A665 Filter lets you create stunning visual effects by adding a gradual Fluorescent Red 2 color gradient to your images. Made from high-quality CR-39 organic glass, this filter provides excellent optical transmission and durability. Filter ...
$10.99*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Add Creative Color Effects to Your Photography
The Cokin A665 Filter lets you create stunning visual effects by adding a gradual Fluorescent Red 2 color gradient to your images. Made from high-quality CR-39 organic glass, this filter provides excellent optical transmission and durability.
- Filter Type: Gradual Fluorescent Red 2
- Filter Series: A
- Material: CR-39 organic glass
- Effect: Adds a gradual color gradient
- Resistance: Shock-resistant
Key Features
Manufactured from CR-39 organic glass - originally launched for the vision lens industry
CR-39 organic glass is extra lightweight, with excellent optical transmission and high compatibility to colouring
Highly resistant to shocks so you can handle the filters in complete confidence and safety
Specifications
Filter Type
Gradual Fluo Red 2
Material
CR-39 Organic Glass
Optical Properties
Excellent optical transmission, high compatibility to coloring
Durability
Highly resistant to shocks
Pros & Cons
👍 Pros
- Manufactured from CR-39 organic glass, originally developed for the vision lens industry, ensuring high quality.
- Offers extra lightweight construction, making it comfortable and easy to handle during photography sessions.
- Provides excellent optical transmission, which helps maintain image quality and color fidelity.
- Boasts high compatibility to coloring, allowing for consistent and vibrant red fluorescent effects.
- Highly resistant to shocks, providing confidence and safety when handling the filter in various shooting conditions.
👎 Cons
- The specific gradient transition of the fluo red effect is not detailed, which could impact creative control.
- Information regarding the filter's size or compatibility with specific filter holder systems is not provided.
- The description does not specify the exact light transmission percentage or optical density of the filter.
- While resistant to shocks, the material may still be susceptible to scratches if not properly cared for.
- The product features do not indicate if this filter is stackable with other Cokin A-series filters.
Frequently Asked Questions
What material is the Cokin WA1T665 A665 filter made from?
The Cokin WA1T665 A665 filter is manufactured from CR-39 organic glass, a material originally developed for the vision lens industry.
What are the benefits of CR-39 organic glass for a filter?
CR-39 organic glass is extra lightweight, offers excellent optical transmission, and has high compatibility with coloring, making it ideal for filters.
Is this filter durable and resistant to damage?
Yes, the filter is highly resistant to shocks, which allows for confident and safe handling during use.
Does this filter affect the overall weight of camera equipment?
No, it features an extra lightweight construction, so it should not add significant weight to your camera setup.
What kind of effect does the "Gradual Fluo Red 2" filter produce?
This filter is designed to create a gradual fluo red effect, though specific details on its intensity or transition are not provided.
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