Tele Vue 90° Star Diagonal Reducer Kit 2" - 1-1/4" vintage Suffern, NY Airguide barometer When paired with the S-6020CP

When paired with the S-6020CP preamplifier

8/20 mm with 4 elements

Aldus Corporation

I at one time had top mounted brackets supporting them

in excellent

Tele Vue 90° Star Diagonal Reducer Kit 2" - 1-1/4" vintage Suffern, NY Airguide barometer When paired with the S-6020CPVintage Tele Vue 90 Star Diagonal Reducer Kit 2" 1 1 4" from Suffern, NY. I am the original owner and I purchased it as part of a collection in the late 1980s or early 1990s, this star diagonal has been carefully stored in a foam lined case in a temperature controlled environment (a house, not a shed or garage). When used, the diagonal was unboxed, used for observing, and then returned to its box capped. As such, it is in super condition and shows