"'Mammoth HD Footage Library, stock footage, HD stock footage, HD Video, HD stock Video, video library, library, film library, royalty free stock footage, high defintion, hi-def, footage, film, video, digital film, digital video, 1080i, 1080, 1080p, 24p, 720p, 480p, 4K, 2K, RED, RED 4K Footage, REDOne, RED Digital Cinema, RED Footage, HD, HDTV, HDV, DV, SD, DTV, Digital Television, HDCam, HDCam SR, DVCPro HD, Mammoth, Mammoth HD, MHD, vertical, vertical footage, HD vertical, digital signage, digital displays, moving pictures, timelapse, time-lapse, sports, wildlife, science, natural history, underwater, ocean life, footage library, HD footage library'"
MHD Supported Formats
Format Comparison Chart
width height frame rate field rendering pixel aspect
1080/60i 1920 1080 29.97 interlaced square
1080/60p 1920 1080 59.94 progressive square
1080/30p 1920 1080 29.97 progressive square
1080/24p 1920 1080 23.98 progressive square
720/60p 1280 720 59.94 progressive square
720/24p 1280 720 23.98 progressive square
HDV-1 1280 720 29.97 progressive square
HDV-2 1440 1080 29.97 interlaced rectangle
SD 720 480 29.97 progressive 0.9
SD 720 480 29.97 interlaced 0.9
SD Anamorphic 720 486 29.97 interlaced 1.2
NTSC 720 480 29.97 interlaced 0.9
PAL 720 576 25 interlaced 1.07
1080/50i 1920 1080 25 interlaced square
1080/25p 1920 1080 25 progressive square
The RED formats* width height shooting frame rate fields pixel aspect
8K 8192 4320 1-16 progressive square
6K 6144 3160 1-96 progressive square
5K 5120 2700 1-120 progressive square
4.5K 4520 2540 1-60 progressive square
4K 4096 2160 1-60 progressive square
2K 2048 1080 1-120 progressive square
*these are also available as downconverted to the MHD Supported Formats above for HD, HD PAL or SD/PAL

Also the RED footage can be shot and/or downconverted to the Vertical HD formats
MHD Vertical Formats width height frame rate field rendering pixel aspect
1080/60i 1080 1920 29.97 interlaced square
1080/60p 1080 1920 59.94 progressive square
1080/30p 1080 1920 29.97 progressive square
1080/24p 1080 1920 23.98 progressive square
720p 720 1280 59.94 progressive square
1080/50i 1080 1920 25 interlaced square
1080/25p 1080 1920 25 progressive square