Quark ERF

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pstew
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Quark ERF

Post by pstew »

I haven't got use to the quark yet, smoke coming out of the scope is not a good feeling :o
I have just been using a UV/IR filter for rejection but I think a proper ERF would be a better choice.
Any recommendations as to brand/type
I assume that using a smaller ERF down at the diagonal will be ok as those full aperture ones are not cheap.
20140810_111028.jpg


Paul

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LS152Tha/B34/DSII, LS80THa/B18/DSII, LS60Tha/B12, Grasshopper3(ICX687), Chameleon 3(IMX264)
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Re: Quark ERF

Post by Cschur »

Peter, would a Herschel wedge work ?

Chris


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Re: Quark ERF

Post by Valery »

pstew wrote: I assume that using a smaller ERF down at the diagonal will be ok as those full aperture ones are not cheap.
External ERF is much better because it prevents the solar heat coming inside the tube.


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Re: Quark ERF

Post by swisswalter »

Hi Paul

I'm sorry to see the molten filter. Is it a 1 1/4" filter and what brand ? What scope and configuration did you use ? I'm very happy with the UV/IR filters from Beloptik


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Re: Quark ERF

Post by pstew »

Hi Walter
The not very good picture is the dust cap. The Quark having a 1.25 and 2" fittings if you are not paying attention its easy to put it in a 2" diagonal without removing the cap. I would suspect the same would happen with an ERF too.
My main concern is that the UV/IR is not good enough for a 132mm scope, especially for long imaging runs.


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Re: Quark ERF

Post by swisswalter »

Hi Paul

o.k. At least for short sessions, the ERF of the QUARK holds that up (of course without plastic cap ;) )


Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE :)

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