Flash comparison (English Wikipedia)

"Product information". metz.de. Archived from the original on 17 August 2011. Retrieved 26 July 2016.
"Product information". metz.de. Archived from the original on 28 August 2011. Retrieved 26 July 2016.
"Product information". metz.de. Archived from the original on 27 July 2010. Retrieved 26 July 2016.

mpex.com

"LumoPro LP160 Manual Flash". www.mpex.com. Archived from the original on 4 June 2010.
"LumoPro LP120 Manual Flash". www.mpex.com. Archived from the original on 13 March 2009.

nikon.com

imaging.nikon.com

"Nikon | Imaging Products | SB-900". imaging.nikon.com. Retrieved 26 July 2016.

nikonrumors.com

"Nikon drops SB-800 flash | Nikon Rumors". nikonrumors.com. 27 October 2008. Retrieved 26 July 2016.

nikonusa.com

"SB-600 AF Speedlight Unit from Nikon". Archived from the original on 2 December 2008. Retrieved 3 December 2008.
"SB-900 AF Speedlight from Nikon". Archived from the original on 9 February 2010. Retrieved 17 June 2010.
"SB-800 AF Speedlight from Nikon". nikonusa.com. Retrieved 26 July 2016.

nissindigital.com

"Nissin Digital Flash: Di622 Introduction". nissindigital.com. Retrieved 26 July 2016.
"Nissin Digital Flash: Di622 Mark II Introduction". nissindigital.com. Retrieved 26 July 2016.
"Nissin Digital Flash: Di866 INTRODUCTION". nissindigital.com. Retrieved 26 July 2016.

pentaximaging.com

Pentax AF-200FGpentaximaging.com Archived 7 January 2009 at the Wayback Machine
"AF360FGZ II | Ricoh Imaging". pentaximaging.com. Retrieved 26 July 2016.
"AF540FGZ II | Ricoh Imaging". pentaximaging.com. Retrieved 26 July 2016.

photonomikon.com

1/1-1/32 with VP-1 http://www.photonomikon.com/index.php/vivitar-vp-1-varipower-adapter-review/

sigma-photo.com

"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.
"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.
"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.
"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.

speedlights.net

"Yongnuo YN-465 Flash Review (digital AF speedlite) | Speedlights.net". speedlights.net. Retrieved 26 July 2016.
"Yongnuo YN-468II E-TTL Speedlite Flash "Mark 2" | Speedlights.net". speedlights.net. Retrieved 26 July 2016.
"Yongnuo YN-560 Speedlite Review | Speedlights.net". speedlights.net. Retrieved 18 December 2017.
"Yongnuo YN-560 II Speedlite | Speedlights.net". speedlights.net. Retrieved 18 December 2017.
"Yongnuo YN-565 EX Flash Review | Speedlights.net". speedlights.net. Retrieved 26 July 2016.

strobist.blogspot.com

"Strobist: The Return of a Classic?". strobist.blogspot.com. Retrieved 26 July 2016.
"Strobist: Unlock The Superslave in Your Nikon SB-800". strobist.blogspot.com. Retrieved 26 July 2016.

tedfelix.com

"Ted Felix: Photography Technique". tedfelix.com. Retrieved 26 July 2016.

web.archive.org

SpecificationsCanon Archived 18 November 2011 at the Wayback Machine
SpecificationsCanon Archived 24 June 2011 at the Wayback Machine
SpecificationsCanon Archived 26 October 2011 at the Wayback Machine
"Shop Canon Cameras, Speedlite Flashes | Canon U.S.A, Inc". Canon. Archived from the original on 28 October 2011. Retrieved 3 November 2011.
Professional camerasCanon Archived 16 May 2013 at the Wayback Machine
"LumoPro LP160 Manual Flash". www.mpex.com. Archived from the original on 4 June 2010.
"Product information". metz.de. Archived from the original on 17 August 2011. Retrieved 26 July 2016.
"Product information". metz.de. Archived from the original on 28 August 2011. Retrieved 26 July 2016.
"Product information". metz.de. Archived from the original on 27 July 2010. Retrieved 26 July 2016.
"SB-600 AF Speedlight Unit from Nikon". Archived from the original on 2 December 2008. Retrieved 3 December 2008.
"SB-900 AF Speedlight from Nikon". Archived from the original on 9 February 2010. Retrieved 17 June 2010.
Pentax AF-200FGpentaximaging.com Archived 7 January 2009 at the Wayback Machine
"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.
"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.
"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.
"Sigma - Flashes". Archived from the original on 19 December 2008. Retrieved 3 December 2008.
"YONGNUO HIGH-SPPEED SYNC FLASH SPEEDLITE YN-568EX/C_Flash_Flash-Speedlight-LED Light-Flash Trigger-TTL Remote Cord-Wireless Shutter Release-Flash Equipment - YONGNUO photographic equipment Co., Ltd". en.yongnuo.com.cn. Archived from the original on 19 July 2016. Retrieved 26 July 2016.
Canon Speedlite 580exCanon Archived 3 December 2008 at the Wayback Machine
"LumoPro LP120 Manual Flash". www.mpex.com. Archived from the original on 13 March 2009.

yongnuo.com.cn

en.yongnuo.com.cn

"YONGNUO HIGH-SPPEED SYNC FLASH SPEEDLITE YN-568EX/C_Flash_Flash-Speedlight-LED Light-Flash Trigger-TTL Remote Cord-Wireless Shutter Release-Flash Equipment - YONGNUO photographic equipment Co., Ltd". en.yongnuo.com.cn. Archived from the original on 19 July 2016. Retrieved 26 July 2016.

yongnuousa.net

"YN 560III Speedlight | Yongnuo USA". yongnuousa.net. Retrieved 18 December 2017.
"Yongnuo 560iv | Yongnuo USA". yongnuousa.net. Retrieved 18 December 2017.
"585ex Pentax | Yongnuo USA". yongnuousa.net. Retrieved 18 December 2017.