Two pics of a Haenel M1909 military carbine in 8x57I, shown on gunboards forum some years ago:

My own Haenel sporters. Top: upgrade M1900 in 8x57I. Bottom: economy grade M1909 in 9x57

The M1900 with it's long eye relief 3x Voigtlaender "Skopar D" mounted:

A year ago I wrote an article about the Haenel M1900 and M1909 sporters in the German VISIER magazine.