1. What are the key difference between photography and cine lens?
2. What are the key differences between prime and zoom lenses? What are the drawbacks and benefits of each?
The main difference between a cine lens and a photography lens lies in the Focus Breathing. Photography lenses, holding a single focal length, can zoom in or out as a result of focusing an image. This aspect of the lens is not an issue when it comes to photography. However, it may pose an issue when it comes to filmmaking. This is where the cine lens comes into play. Cine lenses are able to eliminate focus breathing. Prime lenses are often cheaper and better quality in comparison to their zoom counterparts. On the other hand, zoom lenses are capable of shooting a range of multiple focal points. Zoom lenses can be separated into two groups: Varifocal and Parfocal lenses. A Varifocal lens causes the focus to change as the focal length changes, while a Parfocal lens will maintain the focus independent from the focal length. While prime lenses may sacrifice some quality, it allows the filmmaker to have more flexibility while shooting. Another drawback worth mentioning is that the aperture may not be available for all focal lengths. This is especially the case when it comes to the lens's maximum focal lengths.
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