Opteka RL-500 eTTL AF Macro is a flash (guide number of 18/m at ISO 100) features Fully dedicated with the latest Canon eTTL auto exposure; Ideal for Close-up photography, especially medical and scientific applications; Dual flash tubes can be switched on or off for creative flash control; and High speed synchronic flash.
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Opteka RL-500 eTTL AF Macro User Reviews
Perfect ring flash
“Little scare when I read some review,but I want to try on because the price is right for me.When it arrive,I try to shoot right away.Lucky me,so beautiful picture.3 weeks so far I took about 1000 picx with it …All perfect.All members of my macro group get it now.No problem at all.I say it is extra perfect macro flash.” – By Tien Dao
Opteka RL-500 eTTL AF Macro Expert Reviews
Opteka RL-500 eTTL AF Macro User Manual
Opteka RL-500 eTTL AF Macro Features & Specifications
Opteka is pleased to announce the new RL-500 electronic macro flash. The RL-500 is designed to work with both Canon AF 35mm film and Digital SLR cameras. The RL-500 Macro Flash is ideal for photographing subjects in fine detail when the shadowless mode is used, and is extremely effective for scientific and medical applications. Dual flash tubes can fire simultaneously or separately. Using only one flashtube creates modeling, which can give a three-dimensional feeling to the subject.
The flash features a guide number of 18 w/ISO 100. The Modeling Flash function makes it possible to check for reflections and shadows before actually taking the flash picture. High Speed Synchro and Exposure compensation functions are also available for advanced flash photography. 52mm and 58mm adapter rings are included with the flash. 55mm, 62mm, 67mm, 72mm and 77mm adapters are sold separately.