The instructions would have you assemble the landing lights in an incorrect sequence (in my opinion) with the photo etch behind the lens. Actually the etch needs to go on the front of the lens as it actually holds the bulb. I've put a pic of the actual landing light and the proposed construction sequence and pics of what I've done to replicate the original.
The photo etch is flat and actually needs to be curved or as I managed to make it conical. I drilled out the center of the etch and then used a silicone tool to push the center up and pull the edges down. I then placed it on the cutting mat and flattened the edges so I could use crystal clear canopy glue from Humbrol to glue it in place. This will dry clear and act a little like future to improve the lens. (Or at least not make it worse .... hopefully.) I've yet to paint it but it will be a satin black as per the original.
Once I've got the landing lights assembled it's time for a little final weathering and we're done!
Take a look at the pics to hopefully illustrate just what I'm rambling about.





