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Automega B-3
Autofocus  2¼"x3¼" Enlarger

Introduced: 1948
Discontinued: 1953

 

B-3 Autofocus Condenser Enlarger

The Omega Super B had been a popular enlarger, but with new technologies available, by 1948 it was time to update the Omega medium format enlargers. The column of the B-3 was an aluminum extrusion, making the enlarger far lighter than the previous model. Use of the smaller PH111 lamp allowed for a smaller lamphouse, which also contributed to the reduction in size and weight.

The B-3 was the first Omega medium format enlarger to incorporate an autofocus mechanism. A roller attached to the focus mechanism followed an aluminum focusing track shaped to match the characteristics of a specific lens, as the carriage was raised or lowered automatically adjusting the focus. The B-3 was designed to accommodate two tracks, thus allowing the user to quickly switch between negative formats by simply changing lenses and moving the roller from one track to the other.

An upper bellows adjustment, similar to that of the Super B, was employed to eliminate the need for condenser sets for different formats, and allowed the negative stage to tilt for distortion control.

Used Advice: Check that the enlarger is in good working condition and that  the autofocus tracks, lensmounts and negative carriers that come with the unit will meet your requirements, since all parts and accessories for this model have been discontinued for quite some time. A more recent model would be a better choice.


Enlargers | Negative Carriers | Lens Mounts | Accessories | Lamps

Enlargers

 

Status

  B-3 Autofocus Condenser Enlarger  (without lens, lensmount, focus track) D
 

Negative Carriers

  Rapid Shift Glass type  (specify size)  D
  Rapid Shift Glassless type  (specify size)  D

Note: Most negative Carriers listed for the B-7 & B-8 enlargers may be used with the B-3

 

Lens Mounts

  Flat Board for 2" (50mm) Lenses D
  1½" Cone for 3" (75mm) Lenses D
  2" Cone for 3½" (90mm) Lenses D
  2½" Cone for 4" (100mm) Lenses D
  Lensmount for 2¼'x3¼" Speed Graphic Lens D

Note: Lensmounts were supplied with the autofocus tracks.

Lensmounts listed for the B-7 enlarger will also fit the B-3.  

 

Lens, Autofocus Track and Lensmount Kits

  101mm f4.5 Wollensak Raptar   D
  101mm f4.5 Kodak Ektar   D
  90mm f4.5 Wollensak Raptar   D
  75mm f4.5 Wollensak Raptar   D
  75mm f4.5 Kadak Ektar   D
  50mm f4.5 Wollensak Raptar   D
  50mm f4.5 Kodak Ektar D
  Custom focus track (for customer supplied lens, supplied with lensmount) D
 

Accessories

  Manual Focusing Attachment  (for small prints and reductions) D
  Tilting Easel Attachment  (for distortion correction) D
  Varigam Filter Holder  (for Defender cardboard-type filters) D
  Copy Attachment  (accepts 2¼"x3¼" Graphic type film holders) D

S03003

Automega B-3 Enlarger Instruction Manual C
 

Lamps

471-001

PH111A Opal Enlarger Lamp, 75W 125V C
     

 

 
 

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