Dear All,
can anybody tutor me on details of "Constant Aperture Zoom Lens" & versus variable aperture one? Also guide me if I can use extender 1.4x III in 100-400mm lens. regards. kaling.
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Member
zoom lens- regarding.
Dear All,
can anybody tutor me on details of "Constant Aperture Zoom Lens" & versus variable aperture one? Also guide me if I can use extender 1.4x III in 100-400mm lens. regards. kaling.
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