Updated August 17, 2008.
Nikon's 20mm lenses has been favored by landscape photographers for decades. The Nikon manual focus Nikkor 20 f/4 AI was made in quite small numbers, in total there was less then 23000 lenses made. It was produced between 1974 to 1977. It's really compact compared to it's brothers and sisters. Is this the Nikon 20mm to get? read on to find out.
||10 elements in 8 groups.
|Minimum focus distance:
||Front lens cap
Rear lens cap LF-1
63.5mm x 35.5mm
||7 straight blades.
- Size. Light and compact.
- DOF/IR markings.
- Prone to flare.
- Soft and Light falloff, Corners are very soft @ f/4, light falloff is also pretty bad on a full frame camera.
- Second hand price.
I had to try 3 samples of this lens before I got one that's worth looking into. On the D3 this lens is way soft in the corners @ f/4. Performance increases quite a bit by stopping down one stop to f/5.6.At f/11 the lens has it's peak performance. IR performance with the new samples is also better, as expected. The 14-24 and 17-35mm outperforms this old dinosaur without a doubt.
Nikon 20mm f/2.8 AI-S. From: $619.95 USD
Nikon AF 20mm f/2.8D. From: $539.95 USD
Nikon AF-S 17-35mm f/2.8D ED-IF Price From: $1,599.95 USD
Nikon AF-S 14/24mm f/2.8G ED-IF Price From: $1,699.95 USD
Voigtlander MF Color Skopar 20mm f/3.5 SL-II Price: $549.99 USD
Sigma AF 20mm f/1.8 EX. From: $519.00 USD
*Prices are subject to change. Listed price is from April 26, 2010
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