I am using 18-105mm on my Nikon D90 and i am looking for zoom lens. I am really tight on budget. I have shortlisted two lens
Sigma 70-300mm F4-5.6 APO DG Macro (Motorized for Nikon Digital SLR) Lens
Tamron AF 70-300mm F/4-5.6 Di LD Macro (for Nikon Digital SLR) Lens
Or should i wait and then go for some other lens. If yes then do suggest that option also.
Thanks in advance
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