Best lens for videos sony 20 mm 1.8

Is the new Sony 20mm 1.8 (sel20f18g) the best wide angle lens for your Sony Camera? Is it really worth the $900 price tag? Will it work with your A7iii? What about your A6600? Who is this lens really for? Should I consider the tamron 20mm 2.8 sony? Are primes worth it? In today's video, we are going to find out!