Nikon Nikkor 18mm f/4 Ai
Optical design
Has 7 aperture blades, mid-grade lenses usually have this amount of blades. Having rounded blades provides out of focus circle shape closer to a circle. Average brightness in this leaguePhysical characteristics
Weights 315 grams so plan ahead, carry only if really necessary. With a lens filter diameter of 86 mm finding lens filters in this range can be expensive consider using Cokin P system if you really need one. 46 mm long, this small lens should be always in the camera bag.Nikon Nikkor 18mm f/4 Ai purchase historyStable
Prices have held steady across 14 months of tracked sales — pay around the $408.50 fair value and watch for outliers below it.
Best deals
47 of 93 tracked sales (51%) closed at or under the $408.50 fair value.
- May 22, 2024$246.00$-162.50 / typical
- Mar 10, 2025$256.00$-152.50 / typical
- Mar 10, 2025$261.00$-147.50 / typical
- Jul 12, 2025$284.00$-124.50 / typical
- Jul 24, 2024$289.00$-119.50 / typical
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Technical Specifications
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Frequently Asked Questions
What is the Nikon Nikkor 18mm f/4 Ai?
Nikon Nikkor 18mm f/4 Ai is a camera lens with 18mm focal length, a maximum aperture of f/4/22, for the Nikon DX, Nikon FX mount, supporting the Full frame format, weighing 315g.
What mount is the Nikon Nikkor 18mm f/4 Ai compatible with?
Nikon Nikkor 18mm f/4 Ai uses a Nikon DX, Nikon FX mount and supports the Full frame format.
How much does the Nikon Nikkor 18mm f/4 Ai cost?
Based on recent eBay sold listings the Nikon Nikkor 18mm f/4 Ai typically sells for around $246.00. Actual prices vary with condition and seller.
Which lenses are similar to the Nikon Nikkor 18mm f/4 Ai?
Similar lenses include Arsat H 20mm f/2.8, Carl Zeiss Distagon T 15mm f/2.8, Irix 15mm f/2.4.