Prism diagonal 2"

[ab1963]

want one or these in good condition ,pm if you have one please

[ab1963]

Still looking

[LewisM]

Just a thought, but if it is for your FS-60, a 2" diagonal WON'T work, unless you buy a Badder T2 with the SHORT prism, and then all the requisite adaptors to make it work.

[Profiler]

Is there any specific purpose for a prisim diagonal?

The reason I ask is that the old rule of thumb is that mirrors are generally better for short focal lengths such as diagonals in short fl refractors and the benefits of prisims tend to come out in long fl OTA's such as SCT's etc. I have to stress this is only an old rule of thumb.

[ab1963]

Hi Lewis
It is for the fs60 ,With the Baader 2' clickllock es 14,20 100 deg and Swaro 25-50 in its f5.9 state all come to focus perfectly and are excellent ,When i add the CQ 1.7X extender only the 14mm comes to focus ,I was advised by a iis member whose feedback i respect to get a shorter tube contacted the people i was put on to and said they only deal in the US at the moment then the diagonal you have just mentioned was the 2nd route he suggested ,The Baader is just a bit rich for what i want it for really so just thought i would roll the dice on a prism because of the shorter light path ,TBH if the 14 is the only one that works with the extender i can live with that as it is the scopes widefield attributes i bought it for and it is a little cracker










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