سلام به این علت که HDR هستن https://30nama.kim/knowledge-base/%da%86%da%af%d9%88%d9%86%d9%87-%d9%88%db%8c%d8%af%d8%a6%d9%88-%d9%87%d8%a7%db%8c-hdr-%d8%b1%d8%a7-%d8%af%d8%b1-%d8%b3%db%8c%d8%b3%d8%aa%d9%85%e2%80%8c-%d9%87%d8%a7%db%8c-%d8%ae%d8%a7%d9%86%da%af%db%8c