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ryzh [129]
3 years ago
5

A 2-inch, f/4 reflector has a focal length of: 2 inches 4 inches 6 inches 8 inches

Biology
2 answers:
astra-53 [7]3 years ago
6 0
The focal length would be four inches
Alexxx [7]3 years ago
6 0

The Correct Focal Length, would be 4 inches.

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