what is focal length? ~ For those who ade compact camera or DSLR .. try to look at the front or side of your lens .. I've taught a way I read the writing on the lens? is not writingabout like this..
18-55 mm or 18-135 mm or 50 mm or any number (usually on a DSLR)
OR
5.8-17.4 mm or 4.6-16.8 mm or any number (usually in compact cameras)
Basically, I've categorized (roughly only) ni focal range as my schedule below:
Focal distance of 35mm format SLR
Super / Ultra Wide Angle (very large) | <20mm |
Wide Angle (wide) | 20-35mm |
Normal (normal) | 35-50mm |
Telephoto (far) | 70-300mm |
Super / Ultra telephoto (so far) | >300mm |
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