Omega D-5 / D-6 Lens Mount Reference Chart

Installing a lens on an Omega D-5 or D-6 enlarger requires both a lens plate and a lens mount.  Use of the correct lens plate ensures not only that the lens is mounted in the correct position for focusing, but also that the rear element of the lens will not foul rotation of the turret or insertion of the slide-in lens mount. Use this chart to find the suggested lens mount and lens plate combinations for your specific lens. Please note that while we have attempted to make this information as accurate as possible, due to revisions by the lens manufacturers, it is possible the recommendations here may not apply to all versions of a particular lens. It is important to test the lens/lens mount combination on your enlarger.  For lenses not listed in this chart, please contact us for recommendations.
 

Schneider Componon-S

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 50mm 39mm N/A 421-056 421-056
 80mm 39mm N/A 421-932 421-932
100mm 39mm N/A 421-932 421-932
100mm 32.5mm N/A 421-931 421-931
100mm 50mm N/A 421-933 421-933
135mm 42mm N/A 421-935 421-935
135mm 50mm N/A 421-933 421-933
150mm 42mm N/A 421-935 421-935
150mm 50mm N/A 421-933 421-933
 

Schneider Wide Angle Componon

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 40mm† 39mm N/A 421-056 N/A
60mm 39mm N/A 421-056 N/A
80mm 39mm N/A 421-056 N/A
† recommended for diffusion enlargers only
 

Schneider APO Componon HM

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
     40mm† 39mm 421-056 N/A N/A
   45mm 39mm 421-056 421-056 N/A
   60mm 39mm N/A 421-056 421-056
   90mm 39mm N/A 421-932 421-932
 120mm 39mm N/A 421-933 421-933
 150mm 55mm   421-934+ N/A
   † recommended for diffusion enlargers only
+ includes customized Slide-In Lens Mount and requires lens flange supplied with lens
 

Schneider Componon

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 28mm 25mm 421-930 (R) N/A N/A
 28mm 39mm 421-932 (R) N/A N/A
 35mm 25mm 421-930 (R) N/A N/A
 35mm 39mm 421-932 (R) N/A N/A
 50mm 25mm N/A 421-943 421-943
  50mm  39mm 421-056 421-056 421-056
 60mm 25mm N/A 421-944 421-944
 60mm 39mm 421-056 421-056 421-056
 80mm 25mm N/A 421-930 421-930
 80mm 39mm 421-056 421-056 421-056
105mm 32.5mm N/A 421-945 421-945
135mm 32.5mm N/A 421-931 421-931
150mm 39mm N/A 421-932 421-932
(R) - use in recessed position
       

Schneider Comparon

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 50mm 25mm N/A 421-943 421-943
 50mm 39mm N/A 421-056 421-056
 75mm 25mm N/A 421-943 421-943
 75mm 39mm N/A 421-056 421-056
105mm 32.5mm N/A 421-931 421-931
135mm 32.5mm N/A 421-931 421-931
150mm 39mm N/A 421-932 421-932
  

Nikon EL-Nikkor

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
  40mm† 39mm N/A 421-056 N/A
  50mm* 39mm N/A 421-056 421-056
 63mm 39mm N/A 421-056 421-056
 75mm 39mm N/A 421-932 421-932
 80mm 39mm N/A 421-932 421-932
105mm 39mm N/A 421-932 421-932
135mm 39mm N/A 421-932 421-932
150mm 39mm N/A 421-932 421-932
150mm 53mm N/A 421-915 421-915
† recommended for diffusion enlargers only
* only 50mm f/2.8N recommended for turret 
  

Rodenstock Rodagon

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 28mm 32.5mm 421-931 (R) N/A N/A
 28mm 39mm 421-932 (R) N/A N/A
 35mm 32.5mm 421-931 (R) N/A N/A
 35mm 39mm 421-932 (R) N/A N/A
  50mm* 39mm N/A 421-056
or 421-109     		421-056‡
or 421-109    
 60mm 39mm N/A  421-056
or 421-109     		421-056‡
or 421-109    
 80mm 39mm N/A 421-932 421-932
105mm 39mm N/A 421-932 421-932
135mm 39mm N/A 421-932 421-932
150mm 50mm N/A 421-933 421-933
(R) - use in recessed position
* 50mm f/2.8 not recommended for turret
‡ with lock ring used as spacer
  

Rodenstock Rodagon Wide Angle & Eurygon

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
   40mm† 39mm N/A 421-116
or 421-056    		 N/A
  60mm 39mm N/A 421-932 421-932
  80mm 39mm N/A 421-932 421-932
 120mm 50mm N/A 421-933 N/A
† recommended for diffusion enlargers only
  

Rodenstock APO Rodagon & APO Rodagon-N

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 50mm 39mm N/A 421-056
or 421-109    		 N/A
 80mm 39mm N/A 421-932 421-932
105mm 39mm N/A 421-932 421-932
150mm 50mm N/A 421-933 421-933
  

Rodenstock Rogonar-S

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 25mm 32.5mm 421-931 (R) N/A N/A
 35mm 32.5mm 421-931 (R) N/A N/A
 50mm 39mm N/A 421-116
or 421-056     		421-116
or 421-056    
 75mm 39mm N/A  421-116
or 421-056     		421-116
or 421-056    
 90mm 39mm N/A 421-116
or 421-056    		 421-116
or 421-056    
105mm 39mm N/A 421-116
or 421-056    		 421-116
or 421-056    
135mm 50mm N/A 421-933 421-933
150mm 50mm N/A 421-933 421-933
(R) - use in recessed position
  

Rodenstock Omegaron & Ysaron

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

For 3 Lens Turret (404-867)
 25mm 32.5mm 421-931 (R) N/A N/A
 35mm 32.5mm 421-931 (R) N/A N/A
 50mm 39mm N/A 421-116
 or 421-056      		421-116
 or 421-056     
 75mm 39mm N/A  421-116
 or 421-056      		421-116
 or 421-056     
 90mm 39mm N/A 421-116
 or 421-056     		 421-116
 or 421-056     
105mm 39mm N/A 421-116
 or 421-056     		 421-116
 or 421-056     
135mm 50mm N/A 421-108 421-108
150mm 50mm N/A 421-108 421-108
(R) - use in recessed position
  

Omega Omicron-EL & Beseler ColorPro

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

For Slide-In Lens Mount  (421-107)

  For 3 Lens Turret  (404-867)
 50mm 39mm N/A 421-116
or 421-056     		421-056
 75mm 39mm N/A  421-116
or 421-056     		421-116
or 421-056    
 90mm 39mm N/A 421-116
or 421-056    		 421-056
105mm 39mm N/A 421-932 421-932
135mm 39mm N/A 421-932 421-932
  

APO Computar dl

Focal Length

Mounting Thread

For Slide-In Lens Mount  (421-105)

 For Slide-In Lens  Mount  (421-107)

  For 3 Lens Turret
  (404-867)
 30mm 39mm 421-932 (R) N/A N/A
 50mm 39mm N/A 421-116 N/A
 55mm 39mm N/A 421-116 N/A
 65mm 39mm N/A  421-109
or 421-056     		421-109
 or 421-056     
 80mm 39mm N/A 421-116
or 421-056   		 421-109
or 421-056    
 90mm 39mm N/A 421-109
or 421-056   		 421-109
or 421-056    
105mm 39mm N/A 421-109
or 421-056   		 421-932
135mm 39mm N/A 421-109
or 421-056   		 421-932
50-80mm 39mm 421-109
or 421-056    		 N/A N/A
105-150mm 39mm N/A 421-109
or 421-056   		 N/A
(R) - use in recessed position

  

 Lens Mounts 

Copyright © KHB Photografix
421-105  Slide-in Lens Mount

Copyright © KHB Photografix
421-107  Slide-in Lens Mount

Copyright © KHB Photografix
404-867  3-Lens Turret

 Lens Plates 

Copyright © KHB Photografix
421-056  Flat Plate 39mm Threaded Flange

Copyright © KHB Photografix
421-108  Flat Plate 50mm Thread

Copyright © KHB Photografix
421-109  Formed Plate 39mm Hole

Copyright © KHB Photografix
421-111  Flat Plate - Blank

Copyright © KHB Photografix
421-112  Extended Plate - Blank

Copyright © KHB Photografix
421-114  Recessed Plate 32.5mm Hole
(For use with 421-105 only)

Copyright © KHB Photografix
421-115  Recessed Plate 25mm Hole
(For use with 421-105 only)

Copyright © KHB Photografix
421-116  Flat Plate 39mm Hole

Copyright © KHB Photografix
421-915  Plate for 150mm EL-Nikkor

Copyright © KHB Photografix
421-930  Extended Plate 25mm Hole
(previously 421-130)

Copyright © KHB Photografix
421-931  Extended Plate 32.5mm Hole
(previously 421-131)

Copyright © KHB Photografix
421-932  Extended Plate 39mm Hole
(previously 421-132)

Copyright © KHB Photografix
421-933 Ext. Collar Plate 50mm Thread
(previously 421-133)

Copyright © KHB Photografix
421-934  Mount for 150mm APO Componon

Copyright © KHB Photografix
421-935  Extended Plate 42mm Hole
(previously 421-135)

Copyright © KHB Photografix
421-943  Flat Plate 25mm Hole w/spacer
(previously 421-143)

Copyright © KHB Photografix
421-944  Formed Plate 25mm Hole
(previously 421-144)

Copyright © KHB Photografix
421-945  Formed Plate 32.5mm Hole
(previously 421-145)

Copyright © 2002-2006 KHB Photografix.

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