D
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I recently purchased a Sigma 300mm f2.8 lens
I then purchased a 1.4 Sigma tele converter, It work well on auto focus on my 105mm f2.8 macro lens - but not on the 300mm f2.8- I looked on the Sigma site , it did at first seem like they are compatible
until I checked the serial number as some lenses with different serial numbers offer only Manual focus, mine is in that range
My question is- does anyone know of any other TC brands that will work with this lens- my Camera is the Sony a77 Mk2 and therefore: the mount required would be Sony A Mount
Thanks
Les
I then purchased a 1.4 Sigma tele converter, It work well on auto focus on my 105mm f2.8 macro lens - but not on the 300mm f2.8- I looked on the Sigma site , it did at first seem like they are compatible
until I checked the serial number as some lenses with different serial numbers offer only Manual focus, mine is in that range
My question is- does anyone know of any other TC brands that will work with this lens- my Camera is the Sony a77 Mk2 and therefore: the mount required would be Sony A Mount
Thanks
Les