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NiSi ATHENA PRIME 25mm T1.9 Full-Frame Lens (RF Mount, Drop-In Filter)

BH #NI25T19RF • MFR #NIC-ATH-25RF
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Key Features
  • Full-Frame | T1.9 to T22
  • 80mm Front Diameter
  • 10 Aperture Blades
  • 0.8 MOD Focus and Aperture Gears
Capture high-quality images using a full-frame camera with a Canon RF mount with this NiSi ATHENA PRIME 25mm T1.9 Full-Frame Lens. The lens features 10 aperture blades, micro-contrast control, and low chromatic aberration to highlight image details without distortion. It has an aperture range of T1.9 to T22 and an 80mm front diameter with minimal focus breathing.
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NiSi ATHENA Prime Cine 25mm T1.9 Overview

Capture high-quality images using a full-frame camera with a Canon RF mount with this NiSi ATHENA PRIME 25mm T1.9 Full-Frame Lens. The lens features 10 aperture blades, micro-contrast control, and low chromatic aberration to highlight image details without distortion. It has an aperture range of T1.9 to T22 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 wide 71.7° horizontal angle of view and a 46mm image circle to capture as many details as possible. An included 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
  • 10 aperture blades for smooth, circular bokeh
  • 300° focus ring rotation
  • Fluorescent markings in feet and meters
  • 80mm front diameter, 77mm filter thread
  • Drop-in filter mount
  • 11.8" minimum focusing distance
  • Industry-standard 0.8 MOD focus and aperture rings for use with follow focus systems

NiSi ATHENA Prime Cine 25mm T1.9 Specs

Key Specs
Focal Length
25mm
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
Minimum Aperture
T22
Lens Mount
Canon RF
Interchangeable Mount
No
Lens Format Coverage
Full-Frame
Image Circle
46.0 mm
Angle of View
Full Frame
Horizontal: 71.7°
Diagonal: 82.1°
Focus Scales
Imperial, Metric
Filter Thread
77 mm
Minimum Focus Distance
11.8" / 0.3 m
Maximum Magnification Ratio
Not Specified by Manufacturer
Diaphragm Blades
10
Image Stabilization
No
Gear Standard
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
30.8 oz / 874 g
Packaging Info
Package Weight
2.545 lb
Box Dimensions (LxWxH)
6.8 x 5.7 x 5.2"

NiSi ATHENA Prime Cine 25mm T1.9 Reviews

See any errors on this page?

Will Nisi add an L-series mount to the this set?

Will Nisi add an L-series mount to the this set?
Asked by: Jordan Boston
The L-Mount version of the NiSi ATHENA PRIME 25mm T1.9 Full-Frame Lens (PL Mount) would be the NiSi ATHENA PRIME 25mm T1.9 Full-Frame Lens (L Mount, Drop-In Filter), B&H # NICATH25L.
Answered by: Elliot A
Date published: 2025-01-23

Hey there, are these PL or LPL mounts?

Hey there, are these PL or LPL mounts?
Asked by: Aaron
The NiSi ATHENA PRIME 25mm T1.9 Full-Frame Lens (PL Mount) as stated in its description is PL not LPL.
Answered by: Jonathan S
Date published: 2024-09-19
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