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11.4&&&&&&&&RF35mm&F1.8&MACRO&IS&STM&&
RF35mm!F1.8!MACRO!IS!STM!is ! a ! w id e ! a n g le! macro!lens ! employing!the!new!standard!RF!mount!having!a!
maximum! aperture! of! F1.8! and! a! 0.5x! magnification.! ! It! h a s! a! minimum! aper tu re ! of! F22.! ! ! This! is! a!
moderate! wide-angle! lens! with! a! compact! overall! design,! ideally! suited! to! traditional! candid! street!
photography!and!low-light! ima g ing .! !!!It! c o mbines! beau tif u lly! with!the!smaller!mirrorless! cam era! as! a!
lightweig h t,! tra ve l! an d! lo ca tio n ! orie n te d ! lens! for! serious! enthusiasts.! ! ! In! spite! of! its! F1.8! maximum!
aperture,! it! doubles! as! a! true! macro! lens,! with! ability! to! fill! the! frame! with! a! subject! as! sm all! as! a!
business! card! at! its! nearest! focus! dista nc e.! ! Finally,! it! o f fe rs ! optical! Image! Stabilization,! further!
enhancing!its!abilities!in!low-light!sit u at io ns .!
!!!!!! !
Figure&30& The$new$wide$angle$RF$lens$ —$RF35mm$F1.8$MACRO$IS$STM$
The!lens!is!comprised!of!eleven!elements!in!nine!groups!—!Figure!31.!!The!rear!elem e nt s!capita lize !on!
the!short!flange!back!of!the!RF!system!—!having!a!particularly!large!diameter!contributing!to!the!high!
optical! pe rfo rmance.! ! The! first! nine ! elements! constitute! the! focusing! optics,! and! the s e ! are ! moved! in!
tandem! as!fo cu sing !is!ca rried! ou t.!!An!aspheric!element!in!the!focusing!group!reduces!aberrations!during!
focusing.! ! The! lens! is! a! co mp act,! lightweight,! and! large-diameter! wide-angle! lens! wit h! the! ability ! t o !
provide! 0.5x! macro! shooting,! by! using! front-lens! foc u s! toget h er! with ! forwa rd ! placement! of! the!
diaphragm!and!a!lighter!focus!group.!!!The!lens!has!a!minimum!focusing!distance!of!0.17m!(6.7!inches).!
!
!!!!!!!!!!!!!!!!!!! !
Figure&31! Optical$system$of$the$new$RF35mm$F1.8$MACRO$IS$STM$lens !!
27!
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