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Review Summary
2011-09-03T21:00:00
I use the Extention tube for macro work and also to allow zoom lens to focus close .This results in shallow depth of field and hence pleasing backgrounds .For best results stabilization on tripod is imperative .
Sunny S.
Image magnification ratios and exposure factors.-(50mm standard lens) | |||||
Auto | Distance | Image | Field | Distance | Exposure |
12mm | Infinite-0.5m | 0.24-0.35 | 10x15-6.9x10.3 | 21-16 | 1.5-1.8 |