Tele Vue Dioptrx 2.50 Astigmatism Corrector - DRX-0250 12X Binoculars Field Stop Diameter: 11

Field Stop Diameter:      11

Barrel Size: 1

Eyepiece Eye Relief: 10mm

Each unit is quality control inspected for collimation and performance

TeleVue Product Number: ACF-2125

Tele Vue Dioptrx 2.50 Astigmatism Corrector - DRX-0250 12X Binoculars Field Stop Diameter: 11TeleVue Dioptrx 2. 50 Astigmatism Corrector for TeleVue Eyepieces Got astigmatism? Get the "cure" Your telescope's focuser is used to compensate for your near or far sightedness; TeleVue Dioptrx compensates for your astigmatism. These units attach and lock onto the tops of over 20 long eye relief TeleVue Telescope Eyepieces to achieve the sharpest full field viewing possible. TeleVue Dioptrx models are available in . 25 to 3. 25 diopter (1 4 steps