See <a href="http://www.synvis.com/FlashXtender.htm">Flash X-tender</a> -- easy optic device for active more object lightnes by youre flash if you use long lens. The result is a flash output that gains up to 3 full f-stops, depending on your flash zoom setting. It is designed to be used with lenses 300mm or longer and TTL flash units. <br>
Also, you can make adapter from 4 mirors (of metalized film) which reflects light going outside yuore frame to the frame area. It make the same effect.
Can I use a Flash and a 200mm lens? please help
in Lighting Equipment
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See <a href="http://www.synvis.com/FlashXtender.htm">Flash X-tender</a> -- easy optic device for active more object lightnes by youre flash if you use long lens. The result is a flash output that gains up to 3 full f-stops, depending on your flash zoom setting. It is designed to be used with lenses 300mm or longer and TTL flash units. <br>
Also, you can make adapter from 4 mirors (of metalized film) which reflects light going outside yuore frame to the frame area. It make the same effect.