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| Tom's mirror on the Mirror Board and ready for "the donut" |
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| The "center mask" in place. "Donuts" are usually available in any stationary store Carefully center the mask -- easy.. |
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| The donut in place aids in colliation. |
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| Here's a view of the "donut" on the laser collimator with barlow, ensuring a nicely collimated primary. |
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