cst1 likes camerasAsk a question

TTArtisan 21mm f/1.5 ASPH

Ask: /ask/what-is-the-ttartisan-21mm-f-1-5-asph-good-for

Prime lens

A prime lens by TTArtisan for Full frame cameras, 21mm f/1.5.

MakerTTArtisan
Focal length21mm (prime)
Maximum aperturef/1.5
Made forFull frame sensors
MountsSony E, Nikon Z, Canon RF, Leica M
Stabilisedno
Autofocusno, manual focus

What it frames like

142435508513520040080021mm equiv.21mm
Its full-frame-equivalent focal length on the sensor it was made for.
Full frame 21mm · 81°APS-C 32mm · 59°APS-C (Canon) 34mm · 56°
How wide 21mm sees on each sensor it covers.
f/1.5
f/1.5 wide open, to scale against f/1.4.
  • On full frame (Sony E, Nikon Z, Canon RF, Leica M): as marked, 21mm.
  • On APS-C (Sony E, Nikon Z): like 32mm on full frame; f/1.5 gives about the depth of field of f/2.2 there.
  • On APS-C (Canon) (Canon RF): like 34mm on full frame; f/1.5 gives about the depth of field of f/2.4 there.

Cameras it fits

Questions people ask

Compare with

See what it frames: its view on the Nikon Z5 IIC at any distance, and its depth of field, drawn to scale.