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

BH #NI50T19RF • MFR #NIC-ATH-50RF
NiSi
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

By B&H Photo's

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

NiSi ATHENA Prime Cine 50mm T1.9 Specs

Focal Length
50mm
Lens Mount
Canon RF
Lens Format Coverage
Full Frame
Image Circle
46.0 mm
Maximum Aperture
T1.9
Minimum Aperture
T22
Diagonal Angle of View
Full Frame: 47.5°
Horizontal Angle of View
Full Frame: 40.1°
Minimum Focus Distance
From Unspecified Point in Lens: 19.7" / 0.5 m
Diaphragm Blades
10
Gear MOD & Pitch
Focus: 0.8 MOD / 32 Pitch
Front Diameter
80 mm
Filter Thread
77 mm
Focus Scales
Metric, Imperial
Focus Rotation
300°
Electronic Communication
No
Image Stabilization
No
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

See any errors on this page? Let us know

What is the focus throw of this lens in degrees?

What is the focus throw of this lens in degrees?
Asked by: Jerry
The NiSi ATHENA PRIME 50mm T1.9 Full-Frame Lens (PL Mount) focus throw is 300 degrees, as listed in the key features section of the listings overview.
Answered by: Jonathan S
Date published: 2023-10-30

Is it possible to change the mount on an E mount ...

Is it possible to change the mount on an E mount lens to a PL mount? I have a Sony camera now, but in case I change cameras late
Asked by: Andrei
It is not possible. I would get the PL version and use an E-mount adapter if you want the most flexibility in the future.
Answered by: Zacky
Date published: 2023-08-20

Will it be possible to change from PL mount to E ...

Will it be possible to change from PL mount to E mount if desired?
Asked by: Andrei
Yes, through a PL to E adapter like the DZOFilm Octopus Lens Adapter - PL to Sony E (BH #DZOADPLEBLK).
Answered by: Zacky
Date published: 2023-07-30

What options are available and recognized by NISI ...

What options are available and recognized by NISI to convert this from PL to EF-mount? Can it be converted to EF-mount?
Asked by: Justin
The NiSi ATHENA PRIME 50mm T1.9 Full-Frame Lens (PL Mount) cannot be converted to EF-mount. This lens is designed for PL and Mirrorless systems.
Answered by: Kenneth C
Date published: 2024-06-04
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