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4K Specific Lenses?

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Go to solution Solved by Dredgy,

As mentioned, 4K is a very low resolution for still cameras these days, and cheap lenses will have no problems with resolution. Most will have little to no effect on your video quality, so long as you light appropriately.

 

Dedicated video lenses require stuff like declicked aperture rings, geared focus rings for use with a follow focus, and properly marked for ease of use. They also usually let in more light than most still lenses, can maintain constant aperture when zooming (if they zoom), and have weather sealing. 

 

In terms of video quality though, you'll be fine with most lenses. Just light appropriately.

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This may be a completely stupid a question, but are there certain lenses for say, a camcorder that supports 4K video recording like the many Canon camcorders I see advertised and also swappable lenses. But is there a way that a cheap lens could limit quality of an image or video versus a higher-end one? Of course things like light and focus are a factor, but I'm not looking at those. Just the ability to capture a 4K image or video in 4K quality.

TL; DR - Can I get away with recording 4K video and still have a cheapo lens or should I opt for a higher quality third-party lens? Does either affect the image or video quality?

Sorry, I'm just getting into cameras and their equipment so I have some questions that are quite stupid. I'm fairly certain that 4K ability relies on the sensor and the chipset inside of the camera... Could be wrong though

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You can use a cheap lens, but unless you are going to buy lenses later, it is best to get a balanced setup and not a glorious body and a crap lens. 

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Lenses have no effect on resolution. 4k is nothing compared to what 20-40mpix is. 

Lens quality is another thing completely, look at reviews.

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The sigma art lenses are pretty good. Take a look on Amazon: http://www.amazon.com/s/ref=nb_sb_ss_c_0_9?url=search-alias%3Daps&field-keywords=sigma+art&sprefix=sigma+art%2Caps%2C151

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This may be a completely stupid a question, but are there certain lenses for say, a camcorder that supports 4K video recording like the many Canon camcorders I see advertised and also swappable lenses. But is there a way that a cheap lens could limit quality of an image or video versus a higher-end one? Of course things like light and focus are a factor, but I'm not looking at those. Just the ability to capture a 4K image or video in 4K quality.

TL; DR - Can I get away with recording 4K video and still have a cheapo lens or should I opt for a higher quality third-party lens? Does either affect the image or video quality?

Sorry, I'm just getting into cameras and their equipment so I have some questions that are quite stupid. I'm fairly certain that 4K ability relies on the sensor and the chipset inside of the camera... Could be wrong though

 

Lenses do not specifically limit resolution or anything like that, however lenses do have a resolved resolution. You can check this online in reviews such as on DXO mark etc or other analysis sites

 

Look for the resolving detail/resolution of a lens

 

4k is only 8mp,and most 99% of lenses can easily resolve that amount of detail

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  • Solution

As mentioned, 4K is a very low resolution for still cameras these days, and cheap lenses will have no problems with resolution. Most will have little to no effect on your video quality, so long as you light appropriately.

 

Dedicated video lenses require stuff like declicked aperture rings, geared focus rings for use with a follow focus, and properly marked for ease of use. They also usually let in more light than most still lenses, can maintain constant aperture when zooming (if they zoom), and have weather sealing. 

 

In terms of video quality though, you'll be fine with most lenses. Just light appropriately.

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