The a35K engine fins only visible when zoomed in . The standard camera for normal/locked don’t show it you have to zoom in . All settings on high, anti aliasing on and frame rate 60fps
Device:iPhone 16 pro max
Operating system: iOS 26.5.2
Now you’ll get to learn something 
If he wants to have a very good level of detail then there’s this thing called Microsoft Flight Simulator. 
No need to be snarky just asking a simple thing .i know it’s a mobile simulator but no harm in reporting what most likely is a bug … as it’s visible on other cameras from a far distance
As Schyllberg said. It’s not a bug. It’s supposed to do that. Optimization. Read the article and you’ll understand it.