Quote:
Originally Posted by Sitt
I own an Espirit 120 with a Sesto Senso 2 fitted to it but suffered slippage i.e. when you pull the focuser all the way in to the 0 position the Senso seldom managed to fully reach the 0 position leaving around 10-15mm left on the draw tube. I sent several emails off to SkyWatcher in the US and they recon my slippage was caused by the Senso being fitted to the micro-focuser side rather than the course side of the focuser. They recommended either the ZWO EAF or Optec SWX30. I went with the EAF which appears to have fixed my slippage issues. Just something to keep in mind with the Sesto.
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Interesting. I've never parked my SS2 at 0. I always park it at 100 which from memory is about 10-15mm.
It could be the grub screws were slipping on bushing. I know that if you take the SS2 on and off a lot, over time you'll get slipping because the grubs will create multiple holes in the bushing.