Sigma 18-35mm f/1.8 FX equivalent

Started 9 months ago | Discussions thread
bjn70 Veteran Member • Posts: 3,944
there's not one

The short answer is that there's not one.

Well first of all there are very few zooms that are faster than f2.8 anyway although if you prescribe to the full equivalence thing then f2.8 on full frame sensor is very close to equivalent to f1.8 on APS-C sensor.  And that opens you up to various f2.8 zooms.  There are some relatively good ones but I'm not sure that there are any that get the sharpness accolades that the Sigma 18-35 gets.  Most people pick their favorite 24-70 whether one of the 2 latest Nikkors, or the Sigma/Tamron/Tokina.  None of these are perfect, they each have their weaknesses and their strong points.  I chose the Tamron 24-70 G1, its strong points being good IQ and low price.

Another option I've seen mentioned for this type of comparison is the Sigma 24-35 f2.0.  It is fast and supposedly has good IQ, but obviously has slightly shorter zoom range.

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