M54 EXTENSION TUBE - 9mm reducer these roll-off kits are extremely

these roll-off kits are extremely simple to install as they do not require specialized tools and are supplied as a flat pack

Quantum efficiency

5 ångström bandwidths will reveal better surface contrast as well as great prominences

Internal iPolar electronic polar scope

eyepieces or coma correctors you can use the 2" visual back

M54 EXTENSION TUBE - 9mm reducer these roll-off kits are extremelyThis 9mm M54 extension tube features a male M54 x 0. 75 thread on one end and a female M54 x 0. 75 thread on the other. This is a very useful accessory for making up the exact backfocus distance required by correctors. Specifications Connection side A Male M54 x 0. 75 Connection side B Female M54 x 0. 75 Optical length 9 mm SKU AX M54 EXT9