WANTED: DERF for C8, H-Alpha, Ca-K

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Florin Andrei
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WANTED: DERF for C8, H-Alpha, Ca-K

Post by Florin Andrei »

I need a DERF that passes through the hydrogen alpha, and the calcium K line. Standard C8 size. Let me know. Thanks!


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Re: WANTED: DERF for C8, H-Alpha, Ca-K

Post by Starry Jack »

I am selling my Aries 152mm dual band DERF if you are still interested. :)

Jack


Explore Scientific 152mm f6.5 achromat
Aeries D-ERF
Quark Chromosphere f27 native, (f14 when focal reduced)
Mallincam .5x focal reducer (large format)
12nm Filter
ZWO174 (IMX249 chip 5um)
Huge Sense of Adventure Viewing Creation
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Florin Andrei
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Re: WANTED: DERF for C8, H-Alpha, Ca-K

Post by Florin Andrei »

Hmmm... thanks, but I'll keep looking for a 200 mm aperture filter, if I can find one.


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Re: WANTED: DERF for C8, H-Alpha, Ca-K

Post by Starry Jack »

Hope you find one!


Explore Scientific 152mm f6.5 achromat
Aeries D-ERF
Quark Chromosphere f27 native, (f14 when focal reduced)
Mallincam .5x focal reducer (large format)
12nm Filter
ZWO174 (IMX249 chip 5um)
Huge Sense of Adventure Viewing Creation
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