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NiSi ATHENA PRIME 40mm T1.9 Full-Frame Lens (Canon RF, Drop-In Filter Mount)

BH #NICATH40RF • MFR #NIC-ATH-40RF
NiSi
NiSi ATHENA PRIME 40mm T1.9 Full-Frame Lens (Canon RF, Drop-In Filter Mount)
Key Features
  • Full-Frame | T1.9 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 40mm T1.9 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 T1.9 and an 80mm front diameter with minimal focus breathing.
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NiSi ATHENA Prime Cine 40mm T1.9 Overview

By B&H Photo's

Capture high-quality images using a full-frame camera with a Canon RF mount with this NiSi ATHENA PRIME 40mm T1.9 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 T1.9 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 T1.9 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 40mm T1.9 Specs

Key Specs
Focal Length
40mm
Maximum Aperture
T1.9
Lens Mount
Canon RF
Lens Format Coverage
Full Frame
Filter Thread
77 mm
Image Stabilization
No
Electronic Communication
No
Maximum Aperture
T1.9
Lens Mount
Canon RF
Interchangeable Mount
No
Lens Format Coverage
Full Frame
Image Circle
46.0 mm
Angle of View
Full Frame
Diagonal: 57.1°
Horizontal: 48.8°
Vertical: 33.5°
Focus Scales
Metric, Imperial
Filter Thread
77 mm
Maximum Magnification Ratio
Not Specified by Manufacturer
Diaphragm Blades
10
Image Stabilization
No
Gear Standard
Focus: 0.8 MOD / 32 Pitch
Gear Rotation
Focus 300°
Electronic Communication
No
Diameter
Front: 3.1" / 80 mm
Length
3.2" / 81.3 mm
Weight
1.9 lb / 874 g
Packaging Info
Package Weight
2.53 lb
Box Dimensions (LxWxH)
7.2 x 5 x 4.7"

NiSi ATHENA Prime Cine 40mm T1.9 Reviews

See any errors on this page? Let us know

Do these lenses cover the 33x44 sensor of GFX ...

Do these lenses cover the 33x44 sensor of GFX cameras? Or, are they intended for crop video shooting?
Asked by: James
The 14mm and 18mm lenses must be used in GFX 35mm Format Mode to avoid vignetting.
Answered by: NiSi Optics USA
Date published: 2024-04-10
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