... Then the acquisition of 8x40, 10x42 and 10x50 standard glasses have unnecessary. The lie from now namely only in the closet and put moss on. Have the glass now have 2 weeks use and do not want to miss it. The comparatively (high) price compared to "normal" glasses is justified. The sharpness surmounted my Olympus 8x40, 10x42 and telescopic Service Eschenbach 10x50. The stability accesses outstanding and "punched" a high-contrast image. A note for near-sighted - with my -9 diopters I can just focusing without spectacles. With upturned eyecups and glasses no problem anyway. Even the surveys of the entire field of view is ensured. The glass will accompany me to astronomy in the Canaries. This delightful overview and outlook will be possible in the night sky.