People who fly FPV order these cameras all the time. This one is about $8 https://www.banggood.com/600TVL-8_0MP-14-2_8mm-CMOS-FPV-170-Degree-Wide-Anlge-Lens-Ca

People who fly FPV order these cameras all the time. This one is about $8 https://www.banggood.com/600TVL-8_0MP-14-2_8mm-CMOS-FPV-170-Degree-Wide-Anlge-Lens-Camera-PALNTSC-p-984345.html?rmmds=search https://www.banggood.com/600TVL-8_0MP-14-2_8mm-CMOS-FPV-170-... How about this one for $22 with a 5.8GHz transmitter https://www.banggood.com/Eachine-TX01S-NTSC-Mini-5_8G-40CH-25MW-VTX-600TVL-13-Cmos-FPV-Camera-p-1139788.html?rmmds=search&cur_warehouse=CN https://www.banggood.com/Eachine-TX01S-NTSC-Mini-5_8G-40CH-2...