The focal lens capsule thickening had been also seen in other eyes in this series.

在本组其它动物的眼内也曾见到局限性的晶体囊肥厚。

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Light emanating from the Galactic Central Sun dissolves the implants. Cintamani stones serve as a focal lens for that Light and they ease the plasma dissolution process.

银河中央太阳发出的圣光可以消除负面植入物。如意宝珠就像是圣光的聚焦透镜，可以加速电浆体的清理。

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It is shown that by changing the focal length of focal lens and the distance between the axicon and the lens, the center of dark of the bottle beams can be altered effectively.

这些结果表明，改变聚焦透镜的焦距和聚焦透镜到轴棱锥间的距离以及光阑半径，可有效地改变局域空心光束的暗中空区域。

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The new FUJINON XF14mm (21mm) F2.8 single focal length lens offers a stunning, ultra wide angle that delivers exceptional resolution from edge to edge.

ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1

By using this adapter to attach any K-mount lens onto a PENTAX Q series camera, the focal length of the lens is extended by approximately 5.5 times in the 35mm format.

ENGADGET: Pentax launches Q10 interchangeable lens camera, K-5 II and K-5 IIs flagship DSLRs

Instead of converging to a point on a focal plane behind the lens, the rays spread out so as to run in a thick stream roughly parallel to each other (see chart).

ECONOMIST: MONITOR