that extra zoom

[kevykat]

currently have a Tamron 18-200mm F3.5-6.3 XR DI II.
looking for a bit more zoom and on a tight budget, any ideas.
saw these, any thoughts? or what should i be looking for?

http://www.ebay.co.uk/itm/Sony-Alpha-fit-SIGMA-100-300mm-zoom-lens-/160629992727?pt=UK_Lenses_Filters_Lenses&hash=item25664b2d17

http://www.ebay.co.uk/itm/Vivitar-Minolta-Sony-Alpha-70-300mm-F4-5-5-6-AF-Lens-/110725344831?pt=UK_Lenses_Filters_Lenses&hash=item19c7beae3f

http://www.ebay.co.uk/itm/Sony-Alpha-SIGMA-AF-28-300mm-DL-IF-Zoom-lens-/160630015300?pt=UK_Lenses_Filters_Lenses&hash=item25664b8544

http://www.ebay.co.uk/itm/Sony-Alpha-fit-TAMRON-100-300mm-f5-6-3-Tele-macro-lens-/160626981910?pt=UK_Lenses_Filters_Lenses&hash=item25661d3c16

 

[powell7]

have alook at the sigma 70-300.
http://www.parkcameras.com/9472/Sigma-70-300mm-f-4-5-6-DG-Macro--Sony-fit-.html
thats what im getting the wife !