BAADER VIP MODULAR APOCHROMATIC BARLOW 2X ADC Barrel size 1

Barrel size 1

This reducer lens is designed specifically for flat field telescopes like the PlaneWave CDK700

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a little calculation will show that this error can be introduced by a deformation of a leg of the typical tripod of just 5 thousandths of a millimeter

BAADER VIP MODULAR APOCHROMATIC BARLOW 2X ADC Barrel size 1This is an enormously versatile Barlow lens system which can be used both visually and photographically. With additional adapters, variable amounts of extension are possible. The Barlow consists of seven individual parts that guarantee optimal versatility. You can use it to fully illuminate 35 mm format cameras, integrate an optional star diagonal or amici prism or convert the Barlow into a world class projection system for planetary lunar photography