Reviews
- 180mm f3.5 Sigma Macro vs 200mm f4 micro nikkor
- Sigma 12-24 vs Sigma 14 f 3.5
- Sigma 90 f.2.8 Af Macro
- Sigma 150 f2.8 Apo Macro Af EX DG
- Sigma 300 f 4 Af APO Macro
- Tamron 90 f 2.5 Macro
- Sigma 72mm close up lens
- Sigma 1.5 + AML achromat close up lens
- Sigma 3+ achromat close up
- The side effect of floating elements
- Tele lenses and extension tubes, a tip...