Prime lens

LEICA M-SYSTEM

SIZE MATTERS
The world’s most compact professional camera

Constructed with a depth of less than 42 mm and an extremely quiet shutter, the M-Cameras are ideal partners for travel photographers and photojournalists.
source from Leica official website.

Why M-system, it is RF camera, that means the Flange focal distance (FFD) are closest to the EVIL camera which is about 20mm. Then you can enjoy the best optical performance from the lens.

The Leica M mount
(incomplete list)
With the Leica M:
  • 15mm f/8 Hologon
  • 18mm f/3.8 Super-Elmar
  • 21mm f/1.4 Summilux
  • 21mm f/2.8 Elmarit
  • 21mm f/3.4 Super-Angulon
  • 21mm f3.4 Super Elmar
  • 21mm f/4 Super-Angulon
  • 24mm f/1.4 Summilux
  • 24mm f/2.8 Elmarit
  • 24mm f/3.8 Elmar
  • 28mm f/2 Summicron
  • 28mm f/2.8 Elmarit
  • 35mm f/1.4 Summilux
  • 35mm f/2 Summicron
  • 35mm f/2.5 Summarit
  • 35mm f/2.8 Summaron
  • 35mm f/3.5 Summaron
  • 40mm f/2 Summicron
  • 50mm f/0.95 Noctilux
  • 50mm f/1.0 Noctilux
  • 50mm f/1.2 Noctilux
  • 50mm f/1.4 Summilux
  • 50mm f/1.5 Summarit
  • 50mm f/2 Summicron
  • 50mm f/2.5 Summarit
  • 50mm f/2.8 Elmar
  • 75mm f/1.4 Summilux
  • 75mm f/2 Summicron
  • 75mm f/2.5 Summarit
  • 90mm f/2.0 Summicron
  • 90mm f/2.5 Summarit
  • 90mm f/2.8 Elmarit
  • 90mm f/2.8 Tele-Elmarit
  • 90mm f/4 Elmar
  • 90mm f/4 Macro-Elmar
  • 135mm f/4.5 Hektor
  • 135mm f/4 Tele-Elmar
  • 135mm f/2.8 Elmarit
  • 135mm f/3.4 APO-Telyt
Multiple Focal Length Lenses Leica M
  • 16mm,18mm,21mm f/4 Tri-Elmar
  • 28mm,35mm,50mm f/4 Tri-Elmar
With the Leica CL:
  • 40mm f/2 Summicron-C
  • 90mm f/4 Elmar-C
  • 40mm f/2.8 Elmarit-C

Elcan lenses

Ernst Leitz Canada made special military lenses under the ELCAN name:
  • Elcan 50mm f/2, for the Leica KE-7a
  • Elcan 66mm f/2
  • Elcan 90mm f/1, apparently without helical, focused by extension rings

Konica lenses

With the Hexar RF:
  • 21mm/35mm f/3.4 / f/4
  • 28mm f/2.8
  • 35mm f/2
  • 50mm f/2 (*review of 50/2)
  • 50mm f/1.2
  • 90mm f/2.8 (*review of 90/2.8)

Minolta lenses

With the Leica CL:
  • 40mm f/2 M-Rokkor
  • 90mm f/4 M-Rokkor
With the Minolta CLE:
  • 28mm f/2.8 M-Rokkor
  • 40mm f/2 M-Rokkor (new version)
  • 90mm f/4 M-Rokkor (new version)

Voigtländer lenses

With the Bessa T, R2, R2A, R3A, R4A, R2M, R3M and R4M:
  • 12mm f/5.6 Ultra Wide Heliar Aspherical II [1]
  • 15mm f/4.5 Super Wide Heliar II [2]
  • 21mm f/4 Color-Skopar P type [3]
  • 25mm f/4 Color-Skopar P type[4]
  • 28mm f/2.0 Ultron [5]
  • 35mm f/1.2 Aspherical Nokton [6] with Armalite hood, the fastest ever production 35mm lens for 35mm cameras
  • 35mm f/1.4 Nokton classic [7] (Available in MC Multicoated or SC Single Coated)
  • 35mm f/2.5 Color-Skopar P type II [8]
  • 40mm f/1.4 Nokton classic[9] (Available in MC Multicoated or SC Single Coated), the fastest ever production 40mm lens for 35mm full-frame cameras[10]
  • 50mm f/1.1 Nokton[11]
  • 50mm f/2.0 collapsible Heliar
  • 50mm f/3.5 Heliar
  • 75mm f/1.8 Heliar[12]
Other Cosina Voigtländer lenses are screwmount and need an adapter to fit on the later Bessa bodies.

Rollei lenses

With the Cosina made Rollei 35 RF:
  • 40mm f/2.8 Sonnar
  • 80mm f/2.8 Planar
Rollei also announced at one point that they were going to release a 28mm lens and a 50mm lens, but lost interest in the 35RF (really a Cosina Bessa R2) system.

Carl Zeiss lenses

With the Zeiss Ikon rangefinder:
  • 15mm f/2.8 - Distagon T* 2,8/15 ZM
  • 18mm f/4 - Distagon T* 4/18 ZM
  • 21mm f/2.8 - Biogon T* 2,8/21 ZM
  • 21mm f/4.5 - C Biogon T* 4,5/21 ZM
  • 25mm f/2.8 - Biogon T* 2,8/25 ZM
  • 28mm f/2.8 - Biogon T* 2,8/28 ZM
  • 35mm f/2 - Biogon T* 2/35 ZM
  • 35mm f/2.8 - C Biogon T* 2,8/35 ZM
  • 50mm f/1.5 - C Sonnar T* 1,5/50 ZM
  • 50mm f/2 - Planar T* 2/50 ZM
  • 85mm f/2 - Sonnar T* 2/85 ZM
  • 85mm f/4 - Tele-Tessar T* 4/85 ZM

Ricoh lenses

  • 21mm f/3.5 GR 21