Hi Ken, I wasn't concerned with standard requirements, got about 4 other cameras for normal use. This was a leftover unused body after I upgraded so I wasn't too bothered if the mod didn't work. But when it did work it was too darn cool, ... till it stopped working.
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Ha on a solar scope was one of the ideas I had for testing. As I said I'll watch out for a cheapie early Canon model and have another go. KM's are pretty rare for that older model but if I spot one then it's all on again.