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Black 24mm manual focus cine lens for Sony A mount with geared rings and petal hood

Rokinon

Rokinon 24mm T1.5 Cine ED AS IF UMC II Sony A Mount camera lens

SKU CH-2RAH-EDTAE

Wide-angle manual-focus cine lens with de-clicked T1.5–T22 aperture, geared rings and 77 mm filter thread

  • TypeZoom Lens
  • ColorBlack
  • Focus TypeManual Focus
  • Wide 84.1° full-frame view captures expansive scenes
  • Bright T1.5 aperture enables low-light video shooting
  • De-clicked iris ring allows smooth exposure transitions
  • Dual-sided focus and aperture scales assist focus pullers
  • 13 elements in 12 groups with 2 aspherical lenses reduce distortion

Wide-angle cine lens for full-frame video

The Rokinon 24mm T1.5 Cine ED AS IF UMC II is a manual focus prime lens built for Sony A mount cameras. It covers an 84.1 degree angle of view on full-frame sensors and a 61.8 degree angle on APS-C. The de-clicked aperture ring runs from T1.5 to T22 for smooth exposure control during recording. Industry-standard gear rings on focus and iris match other Rokinon VDSLR lenses for follow-focus compatibility.

Thermal noise and power characteristics

This is a passive optical lens with no electronic components, so it generates no heat, draws no power and produces no audible noise during operation. Focus and aperture adjustments are entirely mechanical, requiring no batteries or camera communication. The only operational consideration is that some camera bodies require the shutter lock to be disengaged before the lens can be used.

Decisive specification: Sony A mount manual prime

The lens uses the Sony A mount and offers manual focus only, with no autofocus motor or electronic contacts. Buyers needing autofocus, electronic aperture control or a different mount such as E-mount should look elsewhere. The 77mm front filter thread and 0.25m minimum focus distance are fixed attributes that cannot be adapted.

Highlights

  • Wide 84.1° full-frame view captures expansive scenes
  • Bright T1.5 aperture enables low-light video shooting
  • De-clicked iris ring allows smooth exposure transitions
  • Dual-sided focus and aperture scales assist focus pullers
  • 13 elements in 12 groups with 2 aspherical lenses reduce distortion

Specifications

TypeZoom Lens
ColorBlack
Focus TypeManual Focus
BrandRokinon
ModelNot Available

Questions about this item

How do I mount this Rokinon 24mm T1.5 Cine lens on a Sony A-mount body, and what setting do I need to change?

Align the lens mount index with the camera’s red dot, twist until it clicks, then disable the camera’s shutter-lock function so the body will fire without electronic aperture communication.

What upkeep does the geared focus ring and de-clicked iris ring require over time?

Wipe the 77 mm front threads and petal hood with a microfibre cloth; the all-metal gear rings need no lubrication, but check occasionally for grit that could bind the follow-focus interface.

At what aperture does diffraction start to limit sharpness on a full-frame sensor with this 24mm lens?

Diffraction becomes noticeable around T/22 on full frame, so for critical detail keep the iris wider than T/22 when the 84.1° angle of view is needed.

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