Why does Handbrake reduce my video dimensions?

HandBrake 1.1.1 (2018061800) - 64bit OS: Microsoft Windows NT 10.0.17134.0 - 64bit CPU: AMD Ryzen 7 1700X Eight-Core Processor
Ram: 16320 MB, GPU Information: NVIDIA GeForce GTX 1060 6GB - 24.21.13.9764 Screen: 1920x1080 Temp Dir: C:\Users\darkd\AppData\Local\Temp\ Install Dir: C:\Program Files\HandBrake Data Dir: C:\Users\darkd\AppData\Roaming\HandBrake Team\HandBrake\1.1.1.0


[18:01:52] hb_init: starting libhb thread

# Starting Scan ...

[18:01:52] CPU: [18:01:52] - logical processor count: 16 [18:01:52] Intel Quick Sync Video support: no [18:01:52] hb_scan: path=C:\Users\darkd\Videos\Rendered Products\M ig story 60fps.mov, title_index=0 udfread ERROR: ECMA 167 Volume Recognition failed src/libbluray/disc/disc.c:323: failed opening UDF image C:\Users\darkd\Videos\Rendered Products\M ig story 60fps.mov src/libbluray/disc/disc.c:424: error opening file BDMV\index.bdmv src/libbluray/disc/disc.c:424: error opening file BDMV\BACKUP\index.bdmv [18:01:52] bd: not a bd - trying as a stream/file instead libdvdnav: Using dvdnav version 5.0.3 libdvdread: Encrypted DVD support unavailable. libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.IFO failed libdvdread:DVDOpenFileUDF:UDFFindFile /VIDEO_TS/VIDEO_TS.BUP failed libdvdread: Can't open file VIDEO_TS.IFO. libdvdnav: vm: failed to read VIDEO_TS.IFO [18:01:52] dvd: not a dvd - trying as a stream/file instead Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'C:\Users\darkd\Videos\Rendered Products\M ig story 60fps.mov': Metadata: major_brand : qt minor_version : 537199360 compatible_brands: qt creation_time : 2018-07-16 00:53:20 Duration: 00:00:10.06, start: 0.000000, bitrate: 385919 kb/s Stream #0:0(eng): Video: h264 (Main) [avc1 / 0x31637661] yuv420p, tv, bt709/bt709/bt709 1080x1920, 387057 kb/s, PAR 1080:1080 DAR 9:16 60 fps, 60 tbn (default) Metadata: creation_time : 2018-07-16 00:53:20 handler_name : Apple Alias Data Handler encoder : H.264 Stream #0:1(eng): Audio: pcm_s16le [sowt / 0x74776F73] 44100 Hz, stereo, s16, 1411 kb/s (default) Metadata: creation_time : 2018-07-16 00:53:20 handler_name : Apple Alias Data Handler Stream #0:2(eng): Data: tmcd / 0x64636D74, 0 kb/s (default) Metadata: creation_time : 2018-07-16 00:55:01 handler_name : Apple Alias Data Handler [18:01:53] scan: decoding previews for title 1 [18:01:54] scan: audio 0x1: pcm_s16le, rate=44100Hz, bitrate=1411200 English (pcm_s16le) (2.0 ch) [18:01:58] scan: 10 previews, 1080x1920, 60.000 fps, autocrop = 0/0/0/0, aspect 1:1.78, PAR 1080:1080 [18:01:58] scan: supported video decoders: avcodec qsv [18:01:58] libhb: scan thread found 1 valid title(s)

# Processing Scan Information ...

# Scan Finished ...

Not sure if this is what you were talking about, but I hope it helps.

/r/handbrake Thread