Cookie Composites low profile Liquid Lens is the perfect choice for all your filming requirements. These quality Japanese manufactered lenses have minimal barrel distortion and are vignette free. The question is Liquid 3 or Liquid 5?? and do I need a filter kit???
As a camera flyer you need to identify what disciplines you wish to film, your experience level and the distance away from your subject when filming. Most experience camera flyers generally have more than one lens in there arsenal so they can adapt there equipment to suit the conditions.

Images taken using Sony PC1000

The Liquid 2 x 0.25 lens has the widest field of view os all our lenses.This lens is suitable for flying handycam, belly/foot mounted applications and when filming at a distance of <1m or 3 feet.

The Liquid 3 x 0.29 lens. This lens is suitable for flying inside camera on linked exits, inside formation flying when videoing your friends, handycam and belly mounted applications and when filming at a distance of <2m or 6 feet. When filming larger subjects you will be able to get noticably closure with out cropping.

The Liquid 5 x0.45 lens has a field of view slightly less than the Liquid 3. This lens is best suited for filming outside camera where your subject is at distances of >2m or 6 feet. This lens is especially good for a beginner camera flyer as you donot have to get as close to your subject. It is also suitable for Tandem videographers and RW team camera flyers.

The Filter Kit option available with the Liquid lens range provids a sacrificial glass element that is inexpensive to replace if damaged through scratching. The kit also allows special effect filters to be adapted to the lens.