[MENTION=129278]man[/MENTION]dar you can get my monopod combination ...it will cost you more but its enough for pro grade lens and cam combination.
Benro A29T monopod - can take 10 KG
Manfrotto M234RC two way head - can take 2.5 KG but very reliable and cheap ..its whole metal built..can be used as weapon
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I use it with D7000+Sigma 150-500 = 750+1.8 Kg = 2.55 Kg
Monopod+head combo may weight around 800gm