Lunt - Calcium Module with B1800 Blocking Filter in Star Diagonal with T2 Connection

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$1,299.00

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SKU: LS18CAKMDD2
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This Lunt Calcium-K B1800 works great for imaging, although I have also successfully used it visually as well as I am one of the lucky ones that can still see Calcium-K with my 50+ year old eyes. The camera is much more sensitive to Calcium detail than the human eye, as with any Calcium-K filter, so it is mainly for imaging purposes. Although I could have gotten the smaller B1200 or even B600 as the scope I am using only has a 560mm focal length, I opted for the larger B1800 with its larger 18mm aperture to get that extra wiggle room with no chance of vignetting. I also opted for the diagonal version as I prefer an integrated solution for convenience as well as performance. Lunt's built in star diagonal is top notch and is worth it for the modest difference in cost. (Posted on 4/29/2017)

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