Telephoto on D70s

Is it good decision to buy a Sigma 150-500 to be used on D70s? Will it work fine? Also right now I'm using AF 70-300 4-5.6 Non VR, will Sigma's focusing be faster enough than my current lens's? I'd go for 300 f4 +1.4tc but I need a varrying focal length as my work is more towards documentation. Is it good to spend money on a Sigma?

Suggestions please...
 

Geoffc

Senior Member
Much as I liked my D70, I wonder if you next upgrade should be a body with more pixels and more up to date AF rather than a bigger lens. For example, a D7000 or 7100 would be a huge leap. Just a thought.
 

mikew_RIP

Senior Member
If the sigma is the latest model then it would work with the D70s and any upgrade you may make,can only guess here but in good light i would expect the lens motor to work faster than the camera motor.

mike
 
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