Convoy S21F 4x519A high CRI EDC flashlight review | Night shots and runtimes | Comparison

New quad LED flashlight model from Convoy 1800 lumens and having temperature shift function. Uses one 21700 battery. Simple design with side switch. Brightness stabilization on all modes. Temperature, low voltage protection. No visible PWM. You can purchase it at Aliexpress at Official Convoy store https://www.aliexpress.com/item/10050... My main gear: iPhone 14 Pro except zoomed in shots, that were taken using Canon EOS 6D with Tamron SP 150-600mm F5-6.3 Di VC USD G2. Runtime graphs can be found on BLF: https://budgetlightforum.com/t/review... Background music: Nomyn - Falling Stars Nomyn - Evoke Nomyn - Already Broken Nomyn on social media: Soundcloud -   / nomyn   Facebook -   / nomynmusic   Spotify - https://open.spotify.com/artist/5VbsC... ——— Startup by Alex-Productions :    • Minimal Technology Corporate by Alex-Produ...   Creative Commons — Attribution 3.0 Unported — CC BY 3.0 ——— Video chapters: 00:00 - Intro 00:17 - Introduction and photos 00:53 - CCT and PWM 01:09 - General review 02:51 - UI 07:19 - Night beam shots 08:21 - S21F 4x519A vs S21D 4x219B 09:22 - S21F 4x519A vs S11 GT FC40 10:30 - S21F 4x519A vs S21D 4x219B road 11:36 - S21F 4x519A vs S11 GT FC40 road 12:33 - S21F 4x519A vs S21D 4x219B forest road 13:39 - S21F 4x519A vs S11 GT FC40 forest road 14:46 - S21F temperature shift 16:53 - Runtime graphs 17:23 - Final thoughts #flashlights #flashlight