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NiSi ATHENA PRIME 18mm T2.2 Full-Frame Lens (Canon RF, Drop-In Filter Mount)

BH #NICATH18RF • MFR #NIC-ATH-18RF
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NiSi ATHENA PRIME 18mm T2.2 Full-Frame Lens (Canon RF, Drop-In Filter Mount)
Key Features
  • Full-Frame | T2.2 Maximum Aperture
  • Soft, Engaging Bokeh
  • 0.8 MOD Focus and Aperture Gears
  • Drop-In Filter Mount
Capture high-quality images using a full-frame camera with a Canon RF mount with this NiSi ATHENA PRIME 18mm T2.2 Full-Frame Lens. The lens features soft bokeh, micro-contrast control, and low chromatic aberration to highlight image details without distortion. It has a maximum aperture T2.2 and an 80mm front diameter with minimal focus breathing.
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NiSi ATHENA Prime Cine 18mm T2.2 Overview

From Manufacturer

Capture high-quality images using a full-frame camera with a Canon RF mount with this NiSi ATHENA PRIME 18mm T2.2 Full-Frame Lens. The lens features soft bokeh, micro-contrast control, and low chromatic aberration to highlight image details without distortion. It has a maximum aperture T2.2 and an 80mm front diameter with minimal focus breathing.

The focus ring is capable of rotating 300° for intuitive control. Markings on the lens are fluorescent and in both feet and meters. The lens has a 46mm image circle to capture as many details as possible. A drop-in filter mount places your lens filters of choice in between your camera sensor and lens body.

Features at a Glance
  • Maximum T2.2 aperture for deep depth of view and increased area of focus
  • Soft, engaging bokeh 
  • 300° focus ring rotation
  • Fluorescent markings in feet and meters
  • 80mm front diameter, 77mm filter thread
  • Drop-in filter mount
  • Industry-standard 0.8 MOD focus and aperture rings for use with follow focus systems

NiSi ATHENA Prime Cine 18mm T2.2 Specs

Key Specs
Focal Length
18mm
Maximum Aperture
T2.2
Lens Mount
Canon RF
Lens Format Coverage
Full-Frame (46 mm Image Circle)
Filter Thread
77 mm
Image Stabilization
No
Electronic Communication
No
Focal Length
18mm
Maximum Aperture
T2.2
Lens Mount
Canon RF
Lens Format Coverage
Full-Frame (46 mm Image Circle)
Angle of View
Full Frame
Diagonal: 101.3°
Horizontal: 90.3°
Vertical: 67.1°
Focus Scales
Metric, Imperial
Filter Thread
77 mm
Aperture/Iris Blades
10
Image Stabilization
No
Gear Standard
0.8 MOD
Gear Rotation
Focus: 300°
Electronic Communication
No
Diameter
Front: 3.1" / 80 mm
Length
Not Specified by Manufacturer
Weight
1.9 lb / 874 g
Packaging Info
Package Weight
2.55 lb
Box Dimensions (LxWxH)
7.5 x 4.9 x 4.7"

NiSi ATHENA Prime Cine 18mm T2.2 Reviews

LOVE

By Matthew
Rated 5 out of 5
Date: 2025-10-06

For the price, these lenses are unbeatable. I absolutely love them. Great look, even wide open. Smooth action. Great build quality. My 85mm, mounted to a Canon c70, took a hard fall onto concrete on the last shoot. It's got a dent, but that bad boy is still rocking like nothing happened. Absolutely would recommend these gems to anyone looking for a fantastic, all around cine lens option.

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