M54 EXTENSION TUBE - 9mm reducer Quantum efficiency

Quantum efficiency

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

Tripod head diameter: 230 mm

you may want to ensure a reasonably correct alignment to avoiding field rotation on long sequences of imaging

Remote control via RS 232

M54 EXTENSION TUBE - 9mm reducer Quantum efficiencyThis 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