All lens design is a compromise between numerous factors, not excluding cost.

This can be compensated with a multiple lens optical design, but curving the film has also been used.

Including the effects of aberrations is nearly impossible, because doing so requires knowledge of the specific lens design.

The company is known partly for its many innovative lens designs over the course of its existence.

Aves' patent included the progressive lens design and the manufacturing process.

This program currently comprises five lens designs in addition to Emerald.

Sensor aspect ratio has an impact on lens design.

At the time, the Cooke triplet was a major advancement in lens design.

The triplet soon became a standard in lens design still used with low-end cameras today.

This required a completely new design independent from Canon's previous 85mm lens designs.