Extension tubes, Focal Reducers, Teleconverters and Adapters

Lenses for mFT-cameras...

Updated March 5th  2020
© Jouko Lehto


Extension tubes


About a must for macro shooters - allows closer focusing with any lens. Not useful with wide angles: the focusing distance just gets too close, maybe even inside the lens. But with right tubes+lens combinations you can even focus to the front element or filter... Anyway, tubes are usually used with "normals" or teles/telezooms. Practical for flowers and butterflies etc. BTW: You lose some light due to the extension, the more the longer tubes you are using.

 Discontinued models in red.

Manufacturer AND TYPE
BODY MOUNT
LENS MOUNT
Multiplier for focal lenght and aperture
Out of pro-duction, dis-con-tinued (x)
FOCUSING
Electonic contacts for EXIF and APERTURE
LENSES/ GROUPS
COATING
DIMEN-SIONS, mm
WEIGHT, g
CALIFORNIA Macro Extension Tube Micro M 4/3 MFT 7MM, 14MM, 28MM
mFT
mFT


MF
NO
0/0

7+14 +28

FOTGA Fotga Macro AF Auto Focus Extension DG Tube 10mm + 16mm Set
mFT
mFT


AF
yes
0/0

10+16

Fotodiox Macro Extension Tube Set for Micro Four Thirds 7mm, 14mm, 28mm
mFT
mFT


MF
NO
0/0

7+14 +28

KENKO TOKINA Kenko Macro Automatic Extension Tube Set DG 10mm + 16mm
mFT
mFT


AF
yes
0/0

10+16

KOOKA Metal Mount AF Auto Focus Macro Extension Tube 10mm+16mm+21mm
mFT
mFT


AF
yes
0/0

10+16 +21

Meike Automatic Extension Tube for Micro Four Thirds 10mm+ 16mm
mFT
mFT


AF
yes
0/0

10+16

NANOHA TUBE 10mm EXTENSION TUBE
mFT
mFT


AF
yes
0/0

10

NANOHA TUBE 16mm EXTENSION TUBE
mFT
mFT


AF
yes
0/0

16

Neewer® Automatic Macro Extension Tube DG 10mm+16mm
mFT
mFT


AF
yes
0/0

10+16

PIXPRO Auto Focus Macro Extension Tube for Micro 4/3 10mm+16mm
mFT
mFT


AF
yes
0/0

10+16

VILTROX AF Macro Extension Tube 2 Rings Auto Focus 10mm + 16mm
mFT
mFT


AF
yes
0/0

10+16

OLYMPUS Extension Tube EX-25
FT
FT

X
AF
yes
0/0

68 x 25
150


Focal reducers


New thing, new thinking. Take a reducer, add a legacy lens, and voilá, you have 1 stop more light power and different focal length. Magic? About. Even more impressive: the lens gets better with sharpness and contrast. Unbelievable?
Let's go to the maths: You have a reducer 0.71x, a lens of 28mm F2. After some multiplication you have a 19,9mm lens F1.4... Meaning you have "wide normal" F1.4, with depth of field of 28mm F2. Not bad.
Or. Keep the reducer (0.71x), take the new Samyang 135mm F2 with, let's say with Nikon mount, combine them and you have a 96mm F1.4 ... A very fast medium telephoto. And with a different adapter you have the 135mm F 2. Getting interested?
Take a 50mm F1.4 - easy to find form markets. Add reducer. Result: 35.5mm F1...
That "better sharpness and contrast" comes from the idea, that the light coming through the lens is squeezed into smaller area - so the details are tightened, meaning better resolution. The best part? Idea seems to work!
Bad thing? You need a lens designed for full frame to be able to use these reducers fully. But the old manual lenses are mostly useable. Now there are some AF-adapters too..


Manufacturer AND TYPE
BODY MOUNT
LENS MOUNT
Multiplier for focal lenght and aperture
Out of pro-duction, dis-con-tinued (x)
FOCUSING
Electonic contacts for EXIF and APERTURE
LENSES/ GROUPS
COATING
DIMEN-SIONS, mm
WEIGHT g
METABONES Canon EF Lens to BMPCC Speed Booster
mFT
CANON EF
0.58

MF
yes
6/4



METABONES Leica R to BMPCC Speed Booster
mFT
LEICA R
0.58

MF
NO




METABONES Nikon G to BMPCC Speed Booster
mFT
Nikon G
0.58

MF
NO




METABONES Canon EF Lens to BMCC Speed Booster
mFT
CANON EF
0.64

MF
yes




METABONES Leica R to BMCC Speed Booster
mFT
LEICA R
0.64

MF
NO




METABONES Nikon G to BMCC Speed Booster
mFT
Nikon G
0.64

MF
NO




Canon EF Lens to Micro Four Thirds T Speed Booster XL 0.64x
mFT
Canon EF
0.64
MF
Yes
METABONES Canon EF Lens to Micro Four Thirds Speed Booster
mFT
CANON EF
0.71

MF
yes




METABONES Canon EF Lens to Micro Four Thirds Speed Booster S
mFT
CANON EOS
0.71

AF
yes




METABONES Canon FD to Micro Four Thirds Speed Booster
mFT
CANON FD
0.71

MF
NO




METABONES Contarex to Micro Four Thirds Speed Booster
mFT
CONTAREX
0.71

MF
NO




METABONES Contax Yashica Lens to Micro Four Thirds Speed Booster
mFT
CONTAX YASHICA
0.71

MF
NO




METABONES Leica R Lens to Micro Four Thirds Speed Booster
mFT
LEICA R
0.71

MF
NO




METABONES Minolta MD to Micro Four Thirds Speed Booster
mFT
MINOLTA MD
0.71

MF
NO




METABONES Nikon G to Micro Four Thirds Speed Booster
mFT
Nikon G
0.71

MF
NO




METABONES Olympus OM to Micro Four Thirds Speed Booster
mFT
Olympus OM
0.71

MF
NO




METABONES ROLLEI QBM to Micro Four Thirds Speed Booster
mFT
Rollei QBM
0.71

MF
NO




FOTODIOX Excell+1 CY-MFT from Fotodiox Pro - Contax / Yashica (C/Y) Lens to Mirco 4/3 (MFT) DSLR Camera Lens Mount Adapter with Focal Reducing Light Gathering Optics
mFT
CONTAX YASHICA
0.72

MF
NO




FOTODIOX The Vizelex Light Cannon Soft Focus Adapter from Fotodiox Pro - Nikon G Lens to Mirco 4/3
mFT
NIKON G
0.72

MF
NO




FOTODIOX Excell+1 OM-MFT from Fotodiox Pro - Olympus OM Lens to Mirco 4/3 (MFT)
mFT
Olympus OM
0.72

MF
NO




FOTODIOX Excell+1 NIK(G)-MFT from Fotodiox Pro - Nikon G Lens to Micro 4/3 (MFT)
mFT
Nikon G
0.72

MF
NO




ZY OPTICS LENS TURBO ADAPTER  0.72X
mFT
CANON EOS
0.72

MF
NO
4/4

30

ZY OPTICS LENS TURBO ADAPTER  0.72X
mFT
NIKON AIS
0.72

MF
NO
4/4

30

RJ CAMERA Pentax M42 lens mount focal reducer speed booster adapter to m4/3 
mFT
M42
0.72

MF
NO




RJ CAMERA Pentax PKA DA AF lens mount focal reducer speed booster adapter to m4/3
mFT
Pentax PKA
0.72

MF
NO




RJ CAMERA Canon FD lens mount focal reducer speed booster adapter to m4/3
mFT
CANON FD
0.72

MF
NO




RJ CAMERA NIKON F/G lens mount focal reducer speed booster adapter to m4/3
mFT
NIKON F / G
0.72

MF
NO




RJ CAMERA Canon EOS (EF) lens mount focal reducer speed booster adapter to m4/3
mFT
Canon EF
0.72

MF
NO





Teleconverters


More traditional way... 1.4x or 2x versions for FT-mount and about every lens (FT) usable; 1.4 for mFT, but just for 40-150 F2.8 and the coming 300mm F4 compatible.  And, as far as I know, the Olympus mFT-teleconverters will only be compatible with some Olympus lenses, and Panasonic versions only with some Panasonic / Leica lenses.


With 1.4x you lose 1 F-stop and with 2x two stops light. But the focal lenght gets longer... Light and easy add-ons for those needing for some extra reach now and then.

 Discontinued models in red.
Manufacturer AND TYPE
BODY MOUNT
LENS MOUNT
Multiplier for focal lenght and aperture
Out of pro-duction, dis-con-tinued (x)
FOCUSING
Electonic contacts for EXIF and APERTURE
LENSES/ GROUPS
COATING
DIMEN-SIONS, mm
WEIGHT, g
OLYMPUS M.ZUIKO DIGITAL 1.4x MC-14
mFT
mFT
1.4x

AF
yes
6/3
multicoated
59 X 15
105
Panasonic DMW-TC14
mFT
mFT
1.4x

AF
yes
6/4
multicoated
58 x 22
120
OLYMPUS 1.4x Teleconverter EC-14
FT
FT
1.4x
X
AF
yes
6/5
multicoated
68 x 22
170
OLYMPUS 2x Teleconverter EC-20
FT
FT
2x
X
AF
yes
7/5
multicoated
68 x 41
225
OLYMPUS M.Zuiko Digital 2x Teleconverter MC-20
mFT
mFT
2x

AF
yes




Panasonic DMW-TC20
mFT
mFT
2x

AF
yes

multicoated



Adapters



Just dummies? Not anymore. There are couple of lens adapters which allow aperture control and even AF. And more "dummies", which allow the use of a manual lens on a mFT-camera, with manual focus and manual aperture. 

For those dummy adapters there are so many manufacturers and even more market names, that I don't try to list them. Most of them work fine, as far as I know. There are also tilt, shift and tilt&shift adapters....

But those more advanced ones...


Manufacturer AND TYPE
BODY MOUNT
LENS MOUNT
Multiplier for focal lenght and aperture
Out of pro-duction, dis-con-tinued (x)
FOCUSING
Electonic contacts for EXIF and APERTURE
LENSES/ GROUPS
COATING
DIMEN-SIONS, mm
WEIGHT g
FOTODIOX Aputure DEC Wireless Remote Adapter
mFT
CANON EF, EF-S
1
MF, WIRELESS
yes
-
KIPON Canon EF lens to MFT(m4/3) High Speed Autofocus Electronic Adapter
mFT
CANON EF
1

AF
yes
-




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