The working distance of the lens has a certain range, so it cannot focus clearly at any object distance When the working distance is less than the minimum working distance of the lens, the extension ring can make the lens focus clearly Extension ring has 0.5mm, 1mm, 2mm, 5mm, 10mm, 20mm, 40mm

The working distance of the lens has a certain range, so it cannot focus clearly at any object distance
When the working distance is less than the minimum working distance of the lens, the extension ring can make the lens focus clearly
Extension ring has 0.5mm, 1mm, 2mm, 5mm, 10mm, 20mm, 40mm

Extension Ring

The working distance of the lens has a certain range, so it cannot focus clearly at any object distance
When the working distance is less than the minimum working distance of the lens, the extension ring can make the lens focus clearly
Extension ring has 0.5mm, 1mm, 2mm, 5mm, 10mm, 20mm, 40mm

Extension Ring

The working distance of the lens has a certain range, so it cannot focus clearly at any object distance
When the working distance is less than the minimum working distance of the lens, the extension ring can make the lens focus clearly
Extension ring has 0.5mm, 1mm, 2mm, 5mm, 10mm, 20mm, 40mm

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Extension Ring

The working distance of the lens has a certain range, so it cannot focus clearly at any object distance
When the working distance is less than the minimum working distance of the lens, the extension ring can make the lens focus clearly
Extension ring has 0.5mm, 1mm, 2mm, 5mm, 10mm, 20mm, 40mm

Extension Ring

The working distance of the lens has a certain range, so it cannot focus clearly at any object distance
When the working distance is less than the minimum working distance of the lens, the extension ring can make the lens focus clearly
Extension ring has 0.5mm, 1mm, 2mm, 5mm, 10mm, 20mm, 40mm

Extension Ring

The working distance of the lens has a certain range, so it cannot focus clearly at any object distance
When the working distance is less than the minimum working distance of the lens, the extension ring can make the lens focus clearly
Extension ring has 0.5mm, 1mm, 2mm, 5mm, 10mm, 20mm, 40mm