oemassive

2003 Ford Focus Headlight | AutoPartsWarehouse

Now, what the Barlow lens is to the achromatic, the convex small mirror is to the ... so that instead of coming to a focus at 0, which they would do if small mirror were ... After careful comparison I found myself irresistibly led to try the attempt of ... curvature—a dusky circle in centre, then a band or halo of brighter light fading off ...