Gunsight tinted reticle dimmer

[greybeard]

Please, what is the purpose of that brown glass that pilot could raise ahead the reticle reflecting one?

Thanks,
GB

 

[Airframes]

It was a sunshade, acting in the same way as sun glasses, used to reduce glare, to allow the illuminated reticle to be seen in strong sunlight.

 

[greybeard]

Thank you very much!

GB

 

[Airframes]

You're welcome.