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a focal length of 490mm
Cube Pro w/8408 HC and Cube II w/8408 HC
The C1 also passes a little more light through than the the D1 or L-eXtreme
25” star diagonal
Optolong SHO 7nm (3 Filter Set) Size:1.25" Mounted a focal length of 490mmSHO6. 5nm filter kit includes SII6. 5nm, H Alpha7nm, and OIII6. 5nm narrow band filters, generally working with astronomical monochrome cooling CCD and modified DSLR imaging in each single channel . Corresponding with RGB channel (Ha, OIII, SII), photographers can process Hubble images by astronomical post processing software. Optolong SHO 3nm Narrowband Filters Introduction Optolong SHO6. 5nm filter kit includes SII6. 5nm, H Alpha7nm, and OIII6. 5nm
