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Leica Extenders for the Leica R system
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Leica Extenders for the Leica R lenses
 
 
   
 
   

Leica 2X APO-Extender
Leica 2X Extender
Leica 1.4X APO-Extender

By: Thorsten Overgaard. May 27, 2019.

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Fundamentally, the APO-Extenders works really well, and the non-APO exender is not worth having. That's the short review.

An 2X extender will double the focal length of your Leica R lens, so a 80mm f/1.4 becomes a 160mm. It also takes away some light, so a 2X extender will make your 80/1.4 lens into a f/2.8 lens (in terms of light).

The 1.4x will make a 50mm lens into a 75mm, or a 80mm into a the lens into a 110mm lens, and it takes away 1 stop of light. So the 80mm f/1.4 will become a f/2.0 lens (in terms of light).

I first got a non-APO extender years back and was amazed how "un-Leica" it is. It's really bad. Recently I got a 2X APO-Extender to use with my 80/1.4 and 400/6.5.

 

The 2x APO-Extender (model 11 262)

This one exists with ROM contacts and without ROM contacts. It was introduced in 1992. Prices are generally US$ 500-800 second-hand (in 2019). This is an excellent extender for many lenses, but is specified by Leica to be used with
50mm f1.4. 50mm f2.0, 60mm f2.8, 80mm f/1.4, 90mm f2.0 APO ASPH, 100mm f2.8 APO, 180mm f2.0 APO, 180mm f2.8 APO, 280mm f2.8 APO, 280mm f4.0 APO, 400mm f2.8 APO, 400mm f4.0 APO, 560mm f4.0 APO, 560mm f5.6 APO, 800mm f5.6 APO and 28-90mm f2.8-4.5, 35-70mm f4.0, 70-180mm f2.8 APO, 80-200mm f4.0 and 105-280mm f2.4).

 

The 1.4x APO-Extender (model 11 249)

This one exists only without ROM contacts. It was introduced in 1986. Prices are generally US$ 500-800 second-hand (in 2019). This is an excellent extender for many lenses, but is specified by Leica to be used with 180mm f2.0 APO, 180mm f2.8 APO, 280mm f2.8 APO, 280mm f4.0 APO, 400mm f2.8 APO, 400mm f4.0 APO, 560mm f4.0 APO, 560mm f5.6 APO, 800mm f5.6 APO 28-90mm f2.8-4.5 and 105-280mm f/4.2

 

ROM or not not?

The ROM contacts are not compatible with older Leicaflex cameras, but works on Leica R8 and Leica R9. So if you use the adapter on only new lenses and cameras, it's great. If not, stay away from the ROM version.

The ROm contacts are basically just telling the camera which lens is being used, and is supposed to calibrate small adjustments of aperture to the camera's light meter.

 

The 2x Extender (model 11 236)

This was the first version, made in 1980 till 1994 when it was replaced with the 2X APO-extender (introduced in 1992). It exists as 1-cam or, 3-cam.

It's really bad, but at the time it might have seen a great idea that you were able to double the focal lenght of your R lenses.

Vignetting is to be expected with 400m and longer lenses. The 50mm f1.4 and 80mm f1.4 can also be used. Thus says the manual; however, in practical use this older 2X extender reduces quality of the picture, mainly light surfaces will 'glow' (or simply: This 2X extender will blur your shots to some degree. The newer APO-extenders does not).

 

Leica 80mm F/1.4 with 2X extender on 100 ISO Fuji Sensia slide film, Imacon scan. © 2007 Thorsten Overgaard.
Leica 80mm F/1.4 with 2X extender on 100 ISO Fuji Sensia slide film, Imacon scan. © 2007 Thorsten Overgaard.

 

Leica 50mm F/2.0 with 2X extender on 100 ISO Fuji Sensia slide film, Imacon scan. © 2007 Thorsten Overgaard.
Leica 50mm F/2.0 with 2X extender on 100 ISO Fuji Sensia slide film, Imacon scan. © 2007 Thorsten Overgaard.

 

Leica 50mm F/2.0 with 2X extender test on 100 ISO Fuji Sensia slide film, Imacon scan. © 2007 Thorsten Overgaard.
Leica 50mm F/2.0 with 2X extender test on 100 ISO Fuji Sensia slide film, Imacon scan. © 2007 Thorsten Overgaard.

 

Leica 2x Extender Manual

Here's the original 2X Extender manual

 

 

         
 

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Thorsten Overgaard's Leica Article Index
Leica M digital cameras:   Leica L digital cameras:
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Leica M10   Leica SL2
Leica M10-P   Leica SL2-S
Leica M10-R   Panasonic Lumix S5 II X
Leica M10-D   Panasonic Lumix S1R
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Leica M9-P   Leica L-Mount lenses
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Leica M240   Leica R8/R9/DMR
Leica M246 Monochrom   Small Leica mirrorless digital cameras:
Leica MD-262 and Leica M60   Leica D-Lux
    Leica C-Lux
Leica M film cameras:   Leica V-Lux
Leica M6   Leica Q2 / Leica Q2 Monochrom
Leica M4   Leica Q
    Leica Digilux 3
Leica M lenses:   Leica Digilux 2
Leica 21mm Summilux-M ASPH f/1.4   Leica Digilux 1
Leica 21mm Leica Super-Elmar-M ASPH f/3.4   Leica Digilux
Leica 21mm Super-Angulon-M f/3.4   Leica R film cameras:
Leica 28mm Summilux-M ASPH f/1.4   Leica R8 / R9
Leica 35mm Summilux-M ASPH FLE f/1.4 and f/1.4 AA   Leica R4
Leica 35mm Summicron-M ASPH f/2.0   Leica R3 electronic
Leica 35mm APO-Summicron-M ASPH f/2.0   Leicaflex SL / SLmot
Leica 50mm Noctilux-M ASPH f/0.95 FLE   Leica compact film cameras:
Leica 50mm Noctilux-M f/1.0   Leica Minilux 35mm film camera
Leica 50mm Noctilux-M f/1.2   Leica CM 35mm film camera
7artisans 50mm f/1.1   Leica R lenses:
Leica 50mm Summilux-M ASPH f//1.4   Leica 19mm Elmarit-R f/2.8
Leica 50mm Summicron-M f/2.0 "rigid" Series II   Leica 35mm Elmarit-R f/2.8
Leica 50mm APO-Summicron-M ASPH f/2.0   Leica 50mm Summicron-R f/2.0
Leica 50mm Elmar-M f/2.8 collapsible   Leica 60mm Macro-Elmarit f/2.8
Leica 75mm Noctilux-M ASPH f/1.25   Leica 80mm Summilux-R f/1.4
7artisans 75mm f/1.25   Leica 90mm Summicron-R f/2.0
Leica 75mm Summilux-M f/1.4   Leica 180mm R lenses
Leica 90mm Summilux-M ASPH f/1.5   Leica 250mm Telyt-R f/4.0
Leica 90mm APO-Summicron-M ASPH f/2.0   Leica 400mm Telyt-R f/6.8
Leica 90mm Summarit-M f/2.5   Leica 35-70mm Vario-Elmarit-R f/2.8
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Above:  

Leica reviews by Thorsten Overgaard. LEICA = LEItz CAmera. Founded 1849 in Wetzlar, Germany. Leica logo in photo by Thorsten Overgaard

LEItz CAmera = LEICA
Founded 1849 in Wetzlar, Germany.

 


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Leica 28mm Summilux-M ASPH f/1.4
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Leica 40mm Summicron-C f/2.0
Leica 50mm Noctilux-M ASPH f/0.95
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Leica 50mm Summilux-M ASPH f/1.4
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Thorsten Overgaard
Thorsten von Overgaard is a Danish-American multiple award-winning photographer, known for his writings about photography and Leica cameras. He travels to more than 25 countries a year, photographing and teaching workshops to photographers. Some photos are available as signed editions via galleries or online. For specific photography needs, contact Thorsten Overgaard via email.

You can follow Thorsten Overgaard at his television channel magicoflight.tv.

Feel free to email to thorsten@overgaard.dk for questions, advice and ideas.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

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