For those of you who want to stop dust form entering your image trend and gears (especially filter wheels), you can use this 2" clear filter form Astronomik.
More details can be read from:
http://www.astronomik.com/en/uv-und-...ml?___store=en
It is going for $70 and there will not be any extra cost to ship within Australia.
If you are interested, please email me at
ntk.thava@gmail.com or call me on 0428-727-976.
Thank you.