LM18VM42
 
LM18VM35
 
 
LM25VM42
 
LM25VM35
 
 
LM35VM42
 
LM35VM35
 
Feature
Optional Mount Adapters

The flange back can change by using optional mount adapters included with each lens. Standard: M42-mount has a 17.526mm flange back distance.

Series Mount Adapter Flange Back (mm) Mount
VM42 FB-1600VM 16 M42 Mount
FB-1148VM 11.48 M42 Mount
FB-1000VM 10 M42 Mount
FB-0656VM 6.56 M42 Mount
FB-1750VM 17.5 TFL-Ⅱ Mount
*Mount adapters do not work with VM35 series lenses.
High Resolution Image at the Corners (LM25VM).
Switch Locking Screw Mechanism Prevents Fatigue Failure of Thumb Screws

Kowa’s VM series features a newly designed switch locking screw mechanism that prevents thumb screws from falling off by utilizing a fixing screw that does not rotate in a set position. The thumb screw locks into place by sliding the fixing screw to the right side. It can then be detached by sliding the fixing screw to the left side.

Specification
Model Format Size (Inch) Focal Length Iris Range
(F-stop)
Focusing Range (m) Mount Field Angle(H×V) Size(mm)
2(Φ32) APS-C 1 1/1.2 2/3
LM18VM42 - - - 18 F2.8〜F16 0.1〜∞ TFL Mount 70.5×56.1 Φ79×99.6
LM18VM35 - - - 18 F2.8〜F16 0.1〜∞ TFL 70.5×56.1 Φ79×99.6
LM25VM42 - - - 25 F2.8〜F16 0.1〜∞ M42 Mount (TFL-Ⅱ available as option) 54.0×42.0 Φ57×101.8
LM25VM35 - - - 25 F2.8〜F16 0.1〜∞ TFL 54.0×42.0 Φ57×101.8
LM35VM42 - - - 35 F2.8〜F16 0.1〜∞ M42 Mount (TFL-Ⅱ available as option) 40.2×30.7 Φ54×94.3
LM35VM35 - - - 35 F2.8〜F16 0.1〜∞ TFL 40.2×30.7 Φ54×94.3
Fixed focal lens Image size chart
Lineup
Model LM18VM42
Focal Length 18
Image Size (mm) 25.6×19.6(Φ32.0)
Iris Range
(F-stop)
F2.8〜F16
Focusing Range (m) 0.1〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 172(H)×128(V)
Angle of View (Degrees) Φ32.0 Inch 70.5×56.1
APS-C Inch 63.4×49.7
4/3 Inch 54.1×41.8
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) 1.25
Back Focus in Air (mm) 15.5
Mount M42 Mount
(TFL-Ⅱ available
as option)
Filter Thread (mm) M77×P0.75
Size(mm)(∞) Φ79×99.6
Weight (g) 460
Temperature Range −10°C~+50°C
Model LM18VM35
Focal Length 18
Image Size (mm) 25.6×19.6(Φ32.0)
Iris Range
(F-stop)
F2.8〜F16
Focusing Range (m) 0.1〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 172(H)×128(V)
Angle of View (Degrees) Φ32.0 Inch 70.5×56.1
APS-C Inch 63.4×49.7
4/3 Inch 54.1×41.8
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) 1.25
Back Focus in Air (mm) 15.5
Mount TFL Mount
Filter Thread (mm) M77×P0.75
Size(mm)(∞) Φ79×99.6
Weight (g) 460
Temperature Range −10°C~+50°C
Model LM25VM42
Focal Length 25
Image Size (mm) 25.6×19.6(Φ32.0)
Iris Range
(F-stop)
F2.8〜F16
Focusing Range (m) 0.1〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 125(H)×93(V)
Angle of View (Degrees) Φ32.0 Inch 54.0×42.0
APS-C Inch 48.0×37.0
4/3 Inch 40.4×30.9
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) 0.59
Back Focus in Air (mm) 20.3
Mount M42 Mount
(TFL-Ⅱ available
as option)
Filter Thread (mm) M55×P0.75
Size(mm)(∞) Φ57×101.8
Weight (g) 400
Temperature Range −10°C~+50°C
Model LM25VM35
Focal Length 25
Image Size (mm) 25.6×19.6(Φ32.0)
Iris Range
(F-stop)
F2.8〜F16
Focusing Range (m) 0.1〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 125(H)×93(V)
Angle of View (Degrees) Φ32.0 Inch 54.0×42.0
APS-C Inch 48.0×37.0
4/3 Inch 40.4×30.9
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) 0.59
Back Focus in Air (mm) 20.3
Mount TFL Mount
Filter Thread (mm) M55×P0.75
Size(mm)(∞) Φ57×101.8
Weight (g) 400
Temperature Range −10°C~+50°C
Model LM35VM42
Focal Length 35
Image Size (mm) 25.6×19.6(Φ32.0)
Iris Range
(F-stop)
F2.8〜F16
Focusing Range (m) 0.1〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 76(H)×57(V)
Angle of View (Degrees) Φ32.0 Inch 40.2×30.7
APS-C Inch 35.4×26.9
4/3 Inch 29.5×22.3
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) 0.12
Back Focus in Air (mm) 19.5
Mount M42 Mount
(TFL-Ⅱ available
as option)
Filter Thread (mm) M52×P0.75
Size(mm)(∞) Φ54×94.3
Weight (g) 375
Temperature Range −10°C~+50°C
Model LM35VM35
Focal Length 35
Image Size (mm) 25.6×19.6(Φ32.0)
Iris Range
(F-stop)
F2.8〜F16
Focusing Range (m) 0.1〜∞
Control Iris Manual
Focus Manual
Shooting Range at M.O.D.(mm) 76(H)×57(V)
Angle of View (Degrees) Φ32.0 Inch 40.2×30.7
APS-C Inch 35.4×26.9
4/3 Inch 29.5×22.3
Resolution (center,corner) 160lp/mm, 100lp/mm
TV Distortion (%) 0.12
Back Focus in Air (mm) 19.5
Mount TFL Mount
Filter Thread (mm) M52×P0.75
Size(mm)(∞) Φ54×94.3
Weight (g) 375
Temperature Range −10°C~+50°C