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NiSi ATHENA PRIME 50mm T1.9 Full-Frame Lens (RF Mount, Drop-In Filter)

BH #NI50T19RF • MFR #NIC-ATH-50RF
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NiSi ATHENA PRIME 50mm T1.9 Full-Frame Lens (RF Mount, Drop-In Filter)
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 50mm 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 50mm T1.9 Overview

From Manufacturer

Capture high-quality images using a full-frame camera with a Canon RF mount with this NiSi ATHENA PRIME 50mm 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 40.1° 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
  • 19.7" minimum focusing distance
  • Industry-standard 0.8 MOD focus and aperture rings for use with follow focus systems
EAN: 6972949376437

NiSi ATHENA Prime Cine 50mm T1.9 Specs

Key Specs
Focal Length
50mm
Maximum Aperture
T1.9
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
50mm
Maximum Aperture
T1.9
Minimum Aperture
T22
Lens Mount
Canon RF
Lens Format Coverage
Full-Frame (46 mm Image Circle)
Angle of View
Full Frame
Horizontal: 40.1°
Diagonal: 47.5°
Focus Scales
Metric, Imperial
Filter Thread
77 mm
Minimum Focus Distance
19.7" / 0.5 m
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
3.2" / 81.3 mm
Weight
30.8 oz / 874 g
Packaging Info
Package Weight
2.555 lb
Box Dimensions (LxWxH)
7 x 5 x 4.9"

NiSi ATHENA Prime Cine 50mm T1.9 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.

Great versatile lens

By Dan
Rated 5 out of 5
Date: 2024-09-11

I got this NiSi lens with a few others to have in my kit for commercial and branded content work. The image is super clean and neutral which gives a lot of flexibility in the type of work I can do with it - whether corporate or something more artistic. Highly recommend for anyone looking for a versatile lens!

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