Sigma AF 80-400mm f/4.5-5.6 EX APO OS
by Savvas Sidiropoulos
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EF 100-400mm f/4.5-5.6L IS USM vs EF 400mm f/5.6L USM
by Greg Lavaty
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Minolta 400mm HS G 4.5
by Frank Nadeau Photos
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Sigma 150-500mm test shots
by Nick Powell
| 
400 2.8 Rental
by Andy Marks
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Birds of Australia - Northern Territory 2008
by Reinhild Waschkies
| 
Meyer-Optik Primoplan 58mm f1.9 M42 Mount
by Yu-Lin Chan
| 
Nikon 400mm f2.8 G ED VR AF-S Nikkor Lens
by chriswhitehead07
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Fungus Removal Sigma 400mm APO
by Pete Ganzel
| 
My Optics
by 996sps
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