My 50mm f1.4 lens vignettes when used with the ABR800 ringflash, so I was thinking of getting the 35mm f2.0 to use instead (I dont want zooms). Will the 35mm f2 vignette with this flash? The 50mm f1.4 lens is 50mm long while the 35mm is 78mm long. Im hoping that extra length will prevent vignetting. Whats the smallest lens you can use with the ABR800 and still manually focus with no vignetting?

