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Do I need an f/1.2 Lens?

2,785 views · Published 11 June 2018 · 2:24 · Indexed 27 October 2026

Channel: David Hancock · 2018 · Howto & Style

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The best way to obtain a nice, smooth background and good subject isolation with with a telephoto lens -- something in the range of 105mm to 250mm. But if a normal lens is a must-use, does having an F/1.2 aperture give an image better blurry background?

Out of focus area quality, bokeh, is determined by a lot of factors -- lens design, lens optics quality, and aperture shape. Many f/1.2 normal prime lenses exhibit what's called 'jittery' out of focus areas, blurry areas that seem overly busy. This makes them a less-than-ideal option for situations where smooth out of focus areas are needed. The sliver-thin depth of field also makes them difficult to use.

So do you need an f/1.2 lens compared to an f/1.4, f/1.8, or f/2? What else could you do for your photography with the added money that an f/1.2 lens would cost? If you didn't spend that extra money, what could you do? Those are more important questions because, in general, f/1.4 and f/1.8 lenses are much better technically than f/1.2 lenses.

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Gear I used for Filming and Editing:
Video Capture and Film Digitization- Pentax K-3 (http://www.ricoh-imaging.co.jp/english/products/k-3/) or Pentax K-1 (http://www.ricoh-imaging.co.jp/english/products/k-1/)
Secondary Capture- Sony CX330 (http://www.sony.com/electronics/camcorders/t/handycam-camcorders)
Lens- Pentax 31mm FA Limited (http://www.pentaxforums.com/lensreviews/SMC-Pentax-FA-31mm-F1.8-Limited-Lens.html)
Off-camera Audio- Tascam DR-70D or Tascam DR-60D MKII and Tascam DR-05 (http://tascam.com/product/dr-70d/ or http://tascam.com/product/dr-60dmkii/ and http://tascam.com/product/dr-05/)
Video Editing- Sony Movie Studio Platinum (http://www.vegascreativesoftware.com/us/vegas-movie-studio-product-comparison/)
Audio Processing- Adobe Soundbooth (https://www.adobe.com/sea/products/soundbooth/)

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http://www.5119photography.com/

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