I hesitated a bit before the purchase I have consulted the opinions of visitors I have watched other models that are cheaper but what a surprise when I got the (earlier than expected thank you amazon) this grip is quite continuity of my eos 500d mounted a faith it is integrated so well that the heaviest was another big and appareil.plus gives you a grip more comfortable 2 avant.certe faith that the price is not to forget the canon but quality is present and the fact of having a drawer containing 2 batteries gives you a very wide autonomy .without forgetting the 2nd drawer very practical with its 4 batteries (not included) that reassures you when your batteries discharge. this grip is a true copy of your cannon while before buying a product like and cheaper because only think carefully the mark of origin has 100p100 adapts to your device. I will not develop any technique this grip because of other users on the ItFor me (and meme better). conclusion inescapable product indispenssable and very high quality break the cagniotte and enjoy.