Welcome. With those flying habits consider if AAdvantage may be of more use to you than QFF. Plenty of info in the forum, including the AA Platinum challenge which can often be completed with 1 economy return trip to the US.
Easy to install and operate, this 10 in 1 lens kit can be used on your Smartphone.
The kit includes a 198 degree fisheye lens, 0.63x wide angle lens, 15x Macro lens, a super wide angle lens, 0.36X , 2x telephoto lens , Kaleidoscope Lens plus a circular polariser lens, star filter lens, flow filter lens.