AT A GLANCE
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Focal Length Extension  1.4x
With 25-100 focal length  35-140mm
With 25-100 T-stop range  4-32
Image Circle Diameter  55mm
Diameter  ø89mm
Length  57.5mm
Weight  330g
There will be a 1-stop light down and 1.4x impact on the focal range, making OOOM a 35-140mm T4 lens. A quick switch button is designed on the OOOM to allow easy conversion of focal length & t-stop scale.
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