Quote:
Originally Posted by rsbfoto
¿ Why not get for example one DMK 21... and one DBK 21.. instead of a filterwheel ? Shoot the same object one time in BW and then in Color and combine those images ?
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You could conceivably capture more usable frames using this technique, and your individual colour channels will not be rotated against each other. I'd be curious to see some images taken in this way. As Mike mentions, some channels will be less sharp if your optics are not truly apochromatic.
The disadvantage would be the scenario where you want to capture a specific detail that is visible mainly in one colour channel, and you want to capture it at full resolution. Without filters, this would not be possible.