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www.lauromagrisphotonature.com - specie: Brunella (nome scientifico: Prunella vulgaris) - Exif: Priorità apertura - val.dev.esp. -1,666- focale 140mm - L'immagine è coperta da copyright di Lauro Magris , non può essere utilizzata in alcuna forma senza il consenso dell'autore
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sent on July 04, 2022 (19:41) | This comment has been automatically translated (show/hide original)
Never understood why the canon EF 100 macro must work with a Kenko extend and not with its original..... Mai capito perché il canon EF 100 macro deve funzionare con un extend Kenko e non con il suo originale.....
sent on July 04, 2022 (20:41) | This comment has been automatically translated (show/hide original)
Let's say that there are different problems: a) canon extenders have been designed more for medium telephoto and supertele or s.zoom (a classic is the 100-400mm series I and II) b) are usually protruding and therefore would touch the 1st lens of the lens In the end when I discovered that the Kenko extender is less protruding and allows the operation of the af even on macro optics but from 90mm up it is always glued to the macro optics. On other occasions he also deceived the SLR on s.zoom lenses with f.6.3 aperture keeping the af even if it became f.8 on some Pro REFLEX bodies (eg 1dm4,1dx,1dxII,5dm3,5dm4 ...) Hello, Lauro Diciamo che ci sono problematiche diverse: a) gli extender canon sono stati pensati più per medio tele e supertele o s.zoom (un classico è il 100-400mm serie I e II) b) sono di solito sporgenti e quindi toccherebbero la 1a lente dell'ottica
Alla fine quando ho scoperto che l'extender Kenko è meno sporgente e permette il funzionamento dell'af anche su ottiche macro ma da 90mm in su, è sempre incollato all'ottica macro. In altre occasioni ha anche ingannato la reflex su ottiche s.zoom con apertura alla massima focale f.6,3 - mantenendo l'af anche se diventava f.8 su alcuni corpi reflex Pro (es.1dm4,1dx,1dxII,5dm3,5dm4...)
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