For Canon EOS Series VILTROX DG-C Camera Automatic Close-up Ring Macro Mount

1. Applicable cameras: for all Canon EOS series
2. Applicable lens: EF/EF-S mount lens
3. Configuration: 12mm+20mm+36mm+ front and rear covers
4. Material: metal, plastic
5. Length: 12mm, 20mm, 36mm
6. Inner diameter: 62mm
7. Main lens clear distance: inf./0.5m
8. Scene magnification ratio: 12mm: 0.24/0.35, 20mm: 0.4/0.51, 36mm: 0.72/0.83
9. Coverage: 12mm: 10x15/6.9x10.3, 20mm: 6x9/4.7x7, 36mm: 3.3x5/2.9x4.4
10. Distance between lens and object: 12mm: ab.21/16, 20mm ab.13/14, 36mm: ab.7.7/7
11. Exposure factor: 12mm: 1.5/1.8, 20mm: 2/2.3, 36mm: 3/3.4
12. Weight: 72 grams, 84 grams, 112 grams

Packing list:
-12mm close-up ring x 1
-20mm close-up ring x 1
-36mm close-up ring x 1
-Front cover x 1
-Back cover x 1
-Instruction manual x 1