Gear Talk > What the Nerds Do
New-Nikkor 55/3.5!!!
Roland Vink:
The focus throw of the 55/3.5 and 55/2.8 is the same at far distances. At close range the focus throw of the 55/2.8 is very slightly longer, because its total focus throw is longer (310° compared to 300°) and it does not focus as close (0.25m vs 0.241m)* In practical terms it makes no difference in normal use. If you need a long focus throw for normal shooting, the AI 50/2 or AI 50/1.8 are much better :)
* Even though the 55/2.8 does not focus as close, the magnification at the closest distance is slightly higher because the focal length increases due to the floating elements.
I haven't compared the 55/3.5 and 55/2.8 in terms of sharpness, both are very sharp lenses. It is possible the 55/3.5 is better near 1:10 magnifications, but I expect the 55/2.8 does better across the entire focus range from infinity to 1:2 because it has close range correction.
John Geerts:
--- Quote from: golunvolo on September 13, 2020, 12:05:23 ---The article shows your love for the lens :) Excellent and informative work, as always.
--- End quote ---
Yes, completely agree.
--- Quote ---I´ve got the compensating version and it is fantastic on the Z6.
--- End quote ---
Yes, great version of the lens
Erik Lund:
Thank you for the writeup Rick! I have both lenses discussed here and they are among the sharpest lenses among the F-lenses and comparable to the 50mm 1.8 in Z-Mount
Hugh_3170:
What Nikon (or Non-Nikon) lens of around 55mm focal length would you go for if best performance at 1:1 was desired?
TIA.
--- Quote from: Roland Vink on September 15, 2020, 00:54:37 ---The focus throw of the 55/3.5 and 55/2.8 is the same at far distances. At close range the focus throw of the 55/2.8 is very slightly longer, because its total focus throw is longer (310° compared to 300°) and it does not focus as close (0.25m vs 0.241m)* In practical terms it makes no difference in normal use. If you need a long focus throw for normal shooting, the AI 50/2 or AI 50/1.8 are much better :)
* Even though the 55/2.8 does not focus as close, the magnification at the closest distance is slightly higher because the focal length increases due to the floating elements.
I haven't compared the 55/3.5 and 55/2.8 in terms of sharpness, both are very sharp lenses. It is possible the 55/3.5 is better near 1:10 magnifications, but I expect the 55/2.8 does better across the entire focus range from infinity to 1:2 because it has close range correction.
--- End quote ---
Akira:
--- Quote from: Roland Vink on September 15, 2020, 00:54:37 ---The focus throw of the 55/3.5 and 55/2.8 is the same at far distances. At close range the focus throw of the 55/2.8 is very slightly longer, because its total focus throw is longer (310° compared to 300°) and it does not focus as close (0.25m vs 0.241m)* In practical terms it makes no difference in normal use. If you need a long focus throw for normal shooting, the AI 50/2 or AI 50/1.8 are much better :)
--- End quote ---
Wow, really? My impression is that the f3.5 is easier to focus. although Ai 50s are definitely easier to focus than the Ais versions, f1.8 or f1.2.
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