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Tender description :
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From one source regarding failed purchases: On-camera combined professional-grade filter for optical systems of digital movie cameras
A professional-grade combined light filter for optical systems of digital movie cameras, designed as an optical filter two-in-one that combines the functions of neutral variable density and circular polarization in a single housing, with a threaded mount diameter for installation on the lens of at least 82 mm and no more than 82 mm, featuring an independent ring for adjusting the circular polarization effect to eliminate unwanted glare from non-metallic surfaces and enhance image contrast, with a total of at least 28 layers of double-sided multilayer anti-reflective nano-coating on the optical glass, a hydrophobic protective coating resistant to moisture and oil stains, a protective coating with high resistance to mechanical scratches and wear, the filter frame is made of high-strength aviation aluminum alloy, the frame profile has an ultra-thin design with an outer ring thickness of no more than 8.4 mm to prevent vignetting of the frame, featuring textured notches around the perimeter of the outer ring to ensure a secure grip when rotating adjustment elements, the product is supplied new, unused, not refurbished, in original factory packaging without compromising the integrity of the manufacturerseals, with an official warranty from the manufacturer in the Republic of Kazakhstan for a period of at least 12 months. The supplier is required to provide upon delivery: a technical passport of the product in Kazakh and Russian languages, an operating manual in Kazakh and Russian languages, a warranty certificate from the manufacturer indicating the addresses of authorized service centers in the Republic of Kazakhstan, a document of origin confirming the country of manufacture. Package contents: a combined light filter in a quantity of at least 1 piece, a protective plastic case for storing and transporting the filter in a quantity of at least 1 piece.
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