The presence of indicates this is likely a video file, possibly a recording made through a digital scope or a high-definition movie file:
In the context of firearm optics, these numbers typically describe the physical capabilities of a scope: AR Scope 210 mkv
Converting FFV1/MKV to v210/MOV * Master Files: Uncompressed 10-Bit 4:2:2 MOV. * Mezzanine File: ProRes 422 HQ MOV. * Access File: www.bavc.org MKV Files Explained - Adobe The presence of indicates this is likely a
: If "210" is not the magnification, it might refer to a specific ballistic "cam value" (like on an ART scope ) used to adjust for bullet drop at a specific distance. 2. Video File Technicals (mkv) : This is a specific uncompressed 10-bit 4:2:2
: Often refers to a scope specifically designed for the AR-15 platform . These are frequently Low-Powered Variable Optics (LPVO) or Medium-Powered Variable Optics (MPVO) .
: This is a specific uncompressed 10-bit 4:2:2 video format often used for high-quality master files. A file named "AR Scope 210.mkv" might be a recording using this high-fidelity format.