Canon EF 100mm f/2.8 Macro USM EF100mm F2.8 MACRO USM Instruction Manual - Page 12
Close-up Lenses, Macro Flash
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Page 12 highlights
11. Close-up Lenses (Sold Separately) Attaching a 250D or 500D (58mm) Close-up Lens enables close-up photography. The magnification will be as follows. • Close-up Lens 250D: 1.44x - 0.40x • Close-up Lens 500D: 1.28x - 0.20x Manual focusing is recommended for accurate focusing. 12. Macro Flash (Sold Separately) The Canon Macro Ring Lite MR-14EX or the Macro Twin Lite MT-24EX enables fully automatic macro flash photography up to 1x magnification in E-TTL autoflash mode. • For information on operating the Canon Macro Ring Lite MR-14EX or the Macro Twin Lite MT24EX, refer to the individual instruction booklets. • Using aperture-priority AE (Av) or Manual (M) picture-taking modes are recommended for macro photography as it is easy to adjust depth of field and exposure in these modes. ENG-11
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