I have both. I use the flip down lighted visor when mobility is a must. I like the magnifier lamp when I have something mounted in my vise, such as a cockpit or instrument panel. The lamp doesn't get in the way at all when doing small detailing work.
Berny
Phormer Phantom Phixer
On the bench
TF-102A Delta Dagger, 32nd FIS, 54-1370, 1/48 scale. Monogram Pro Modeler with C&H conversion.
Revell F-4E Phantom II 33rd TFW, 58th TFS, 69-260, 1/32 scale.
Tamiya F-4D Phantom II, 13th TFS, 66-8711, 1/32 scale. F-4 Phantom Group Build.