LensTip.com

Lens review

Nikon Nikkor AF-S 50 mm f/1.4G

15 May 2009
Arkadiusz Olech

9. Ghosting, flares and transmission

The tested Nikkor’s transmission chart is presented below.

Nikon Nikkor AF-S 50 mm f/1.4G - Ghosting, flares and transmission

The lens’s optics consist of 7 groups of lenses so there were 14 air-to-glass surfaces to cover with anti-reflex coatings. Maximum transmission is reached for 650 nm wave length and it rises to a very high value of 96%. It means that on one surface Nikkor loses only about 0.3% - it is a characteristic value for multilayered, anti-reflex coatings of the highest quality.


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In fact, the only thing the tested lens can be accused of in this category is a significant transmission decrease toward the blue range of the spectrum. As an effect, the transmission for violet drops to about 80%. The loss of 20% of photons influences the lens’s performance while working against the light – you can see it in the photos below. Nikkor AF-S 50 mmf/1.4G handles flares badly working either with a big or a small matrix, no matter whether wide open or stopped down.


Nikon Nikkor AF-S 50 mm f/1.4G - Ghosting, flares and transmission

Nikon Nikkor AF-S 50 mm f/1.4G - Ghosting, flares and transmission