**Product Specifications:**
**Brand:** Kase
**Product Name:** CPL Polarizing Filter
**Polarizing Material:** Japan-made polarizing film
**Glass Material:** AGC blue glass
**Coating Layers:** 8+4 multi-layer coating
**Frame Material:** 6063 aluminum alloy
**Frame Thickness:** 5.40mm
**Product Configuration:** 1 x CPL Polarizing Filter, 1 x User Manual, 1 x Packaging
**Origin:** China, Guangdong
**Features:** SCRATCH RESISTANCE, WATERPROOF, LOW COLOR SHIFT
**Additional Information:** Hand measurements may have slight errors, actual product prevails. AGC optical glass, 8+4 multi-layer coating, AGC high-definition optical lens for improved image contrast and sharpness. Low reflection nano-coating for dual-sided low reflectivity, hard waterproof coating for strong scratch resistance. Aluminum alloy frame made of high-quality 6063 aluminum material, ergonomically milled frame for easier filter installation and adjustment.
**Installation Instructions:**
Filter Size: 67mm
Use adjustment ring and force ring for installation and removal
CPL includes front and rear rotating rings: Use adjustment ring + force ring
When using CPL filter, rotate the front lens of CPL while observing the image through the viewfinder. Once the reflection turns from bright to dark, it is the correct angle to eliminate glare and take the shot.
**Maintenance:**
Blow off dust from the filter surface, gently wipe with alcohol using a filter cloth, and store in the filter box for protection.
**Notes:**
1. Polarizing filter cannot eliminate reflections on metal surfaces; ineffective in backlit conditions.
2. When using a wide-angle lens with a polarizing filter to shoot sky scenes, uneven lighting may occur due to polarized light. Not recommended for panoramic stitching.
3. The polarizing filter consists of two parts; the front frame can rotate 360 degrees. When disassembling the filter, apply force to the rear frame. Do not overtighten when stacking with other filters to avoid difficulty in separation.
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