Amazon.com : Yongnuo YN-560 IV Flash Speedlite for Canon Nikon Pentax Olympus DSLR Cameras with EACHSHOT Diffuser : Electronics
Pentax AF-160SA Shoe Mount Flash Unit : Other Products : Electronics - Amazon.com
Amazon.com : Godox AD200 Pro AD200Pro 200Ws Pocket Flash Light, 2.4G 1/8000s HSS, Strobe Speedlite Monolight,0.01-1.8s Recycling Compatible with Canon Nikon Sony Fuji Olympus Panasonic Pentax Camera : Electronics
Amazon.com : Godox V850III Camera Flash 76W 2.4G GN60 Wireless X System with Li-ion Battery Speedlite, 1.7s Recycle time and 450 Full Power Pops for Canon Nikon Sony Pentax Olympus : Electronics
Amazon.com : Neewer NW561 LCD Display Flash Speedlite for Canon Nikon Panasonic Olympus Pentax Fijifilm and Sony with Mi Hot Shoe,DSLR and Mirrorless Cameras with Standard Hot Shoe : Electronics
Amazon.com : Pentax AF201FG Flash (Black) Dustproof & Weather-Resistant P-TTL Auto Flash Guide Number 20 : Electronics
Amazon.com : Pentax AF200S AF 200 S AF-200-S flash : Electronics
Amazon.com : Pentax AF360FGZ II Flash for Pentax DSLR Cameras : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Powerextra Professional DF-400 Speedlite Camera Flash for Canon Nikon Pentax Samsung Fujifilm Olympus Panasonic Sigma Minolta Leica Ricoh DSLR Cameras and Digital Cameras with Single-Contact Hotshoe : On Camera Shoe
Amazon.com : PENTAX K 1000 FLASH : Electronics
Amazon.com : Pentax AF540FGZ Flash for Pentax and Samsung Digital SLR Cameras : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Pentax IQ Zoom 140M QD Date 35mm Camera : Electronics
Amazon.com : Pentax AF-200FG Electronic Flash with Case : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Camera Flash Speedlite, SLFC Digital Camera Flashes with LCD Display, Electronic Flash for Canon/Nikon/Panasonic/Olympus/Pentax/Fujifilm, DSLR Camera Flash/Slave Flash with Standard Hot Shoe Mount : Electronics
Amazon.com : FocusFoto YINYAN CY-20 Universal Hot Shoe On-Camera Flash Speedlite Electronic Speedlight with Sync Port for Nikon Canon Panasonic Olympus Pentax Alpha Digital DSLR Camera Flash Light : Electronics
Amazon.com : Pentax AF 360 FGZ Flash for Pentax and Samsung Digital SLR Cameras (w/ case) : On Camera Shoe Mount Flashes : Electronics
Amazon.com : Ultimaxx's Professional Dynamic DF260VL Flash Speedlite for Canon Nikon Panasonic Olympus Pentax and Other DSLR Cameras, for Digital Cameras with Metal Hot Shoe : Electronics
Amazon.com : Godox TT600 Camera Flash Speedlite Master Slave Off GN60 Built-in 2.4G Wireless X System Transmission Compatible for Canon, Nikon, Pentax, Olympus, Fuji and Other DSLR Camera with Standard Hotshoe :
Amazon.com : Powerextra LCD Display Flash Speedlite, 2.4G Wireless Flash Trigger Transmitter Kit for CA Nikon Pentax Panasonic Olympus and Sony DSLR Camera, Digital Cameras with Standard Hot Shoe : Electronics
Amazon.com : Anwenk Camera Flash Speedlite Mount Swivel Light Stand Bracket with Umbrella Reflector Holder for Camera DSLR Nikon Canon Pentax Olympus and Other DSLR Flashes Studio Light LED Light, 1Pack :
Amazon.com : Neewer NW625 GN54 Speedlite Flash for Canon Nikon Panasonic Olympus Pentax Fujifilm DSLRs and Mirrorless Cameras and Sony with Mi Hot Shoe like a9 a7 a7II a7III a7R III a7RII