parse.com. take names by filters objective c

http://ift.tt/1HEaew0

I have 3 strings for Filters and need to receive a name of a lens by using this filters.

 PFQuery *query = [PFQuery queryWithClassName:@"lences"];
    [query whereKey:@"brand" equalTo:_brandString];
    [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error){
        NSLog(@"%@", objects);

I make a code for 1 filter "brand" and need to add another 2 (type and aperture) to receive a names of lances