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Polarpro 77mm 6-9 Stop Filter Variable ND Filter ราคาพิเศษ ประกันศูนย์

Polarpro 77mm 6-9 Stop Filter Variable ND Filter ราคาพิเศษ ประกันศูนย์

Polarpro 77mm 6-9 Stop Filter Variable ND Filter กระจกแก้วควอตซ์แท้บริสุทธิ์ให้ความคมชัดของแสงที่ดีกว่ากระจกอื่นๆ ขอบของภาพไม่มืด (ที่ความยาวโฟกัส 16 มม.) เทียบเท่า 16 มม แบบฟลูเฟรม สามารถตั้งค่าล่วงหน้าเพื่อลดการเกิด Cross Polarization ช่วยให้คุณควบคุมคอนเทนต์ของคุณได้อย่างสมบูรณ์

The 77mm Peter McKinnon Edition Variable Neutral Density 1.8 to 2.7 Filter from PolarPro is designed to mount onto lenses with 77mm front filter threads and provides an exposure reduction of 6 to 9 stops. The 1.8 to 2.7 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally possible. The degree of density is easily controlled by rotating the front filter ring, helping you to predetermine the additional exposure length required. By slowing your exposure time or increasing your aperture, you are able to control depth of field and convey movement more easily. For easier, repeatable control over density settings, the front ring is visually demarcated with numbers representing the different stop values and features side knurlings to further enable fast and precise positioning. To help ensure consistent exposures, the front ring is designed to prevent any rotation beyond the stop values etched on it.

จุดเด่นของ Polarpro 77mm

· Variable neutral density filter allows you to apply differing amounts of density from scene to scene.
· 1.8 to 2.7 neutral density filter darkens the image, allowing you to photograph with a longer shutter speed or wider aperture than normally possible.
· Providing a reduction of 6 to 9 stops, this filter allows you to control depth of field and convey movement more easily.
· Offers increased flexibility to use specific ISO settings or ISO films under bright ambient light.
· Provides increased exposure flexibility while using cinema or video cameras within a designated film frame rate.
· Constructed from quartz glass for enhanced durability.
· Multi-coated to prevent internal ghosting and reflections while promoting clarity as well as color fidelity.

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