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Another potential problem with mono and filter wheel is the extra focus travel needed for some setups. Newtonians have limited focus with coma correctors,oag or ao units in use the filter wheel may be the final straw.
Wide field imaging using camera lens can be another problem with filter wheel in place.
Good strong colour in the image is a little harder to achieve in osc but with a fast optical system giving good colour saturation a great image will result.
Clear skies Ken.
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