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Omega Custom-Lab A6
35mm Enlarger

 Circa 1966-1972

 Custom-Lab A-6 Condenser Enlarger

At first glance, the Custom-Lab A-6 enlarger looks much like other Omega enlargers of the 1960s, but in fact it's very unique.  It came with a double rail column and zoom condenser lamphouse, both unusual for a 35mm enlarger.  But it was the light system that was most unusual. Instead of the standard PH111A or PH211 75w incandescent lamps, the A6 used a 150w projector lamp and a ceramic reflector to provide very bright, semi-diffuse light.  The power supply for the lamp was incorporated in a box at the base of the column. The high light output required some means of attenuation, so push buttons were provided on the power supply to increase or decrease the light output by one and two stops from normal.

It also boasted rack and pinion elevation and dual range focusing. Intended for the professional photo lab, the deluxe nature of the A6 meant that it was rather pricey - more than 3 times the price of a B22 - though it did share negative carriers and lens mounts with that model. 

It was sold in only the XL column length and no colourhead was provided for it. The high price, plus the fact that it was limited to 35mm and smaller formats, meant that the A6 never achieved significant sales figures. 

Used Advice: This is a relatively rare enlarger, so although negative carriers and lensboards will not be a problem, the power supply and ceramic reflector in particular should be checked, since these items will be difficult, if not impossible, to replace. 


Enlargers | Negative Carriers | Lens Mounts | Accessories | Lamps

Enlargers

  Status
401-006 Custom-Lab A-6 Enlarger, complete less lens D
 

Negative Carriers

423-102 Minox format Glassless Rapid Shift Carrier  (replaced by 423-115) DR
423-103 35mm Half Frame Glassless Rapid Shift Carrier D
423-104 35mm Full Frame Glassless Rapid Shift Carrier  (replaced by 423-117) DR
423-105 126 Instamatic Glassless Rapid Shift Carrier  (replaced by 423-118) DR
423-110 Mounted 35mm Slide Carrier   (replaced by 423-127) DR
423-111 Unmounted 35mm Slide Carrier D
 

Lens Mounts

421-005 Blank Lens Disc DL
421-006 Recessed Lens Mount for 25/35mm Omegaron D
421-007 Recessed Lens Mount for 28mm Componon D
421-016 Lens Disc for 50mm Omegar D
421-017 Lens Disc - 39mm hole DL
421-019 Lens Disc - 25mm hole DL
421-020 Lens Disc with 39mm threaded flange DL
421-010 39mm Leica thread Lock Ring DL
 

Accessories

429-004 Red Safety Filter  (replacement) DL
429-012 Portrait Diffusion Grid DL
429-028 Under the Lens Filter Holder for red and variable contrast filters DL
429-160 Ceramic Light Reflector  (replacement) D
472-015 Upper Condenser Lens 2½" dia.  (replacement) D
472-016 Lower Condenser Lens 2½" dia.  (replacement) D
479-012 Dust Cover D
S01006 Custom-Lab A-6 Enlarger Instruction Manual C
 

Lamps

471-060 GE-DLS Lamp, 150W 21V  C*
 

*(no longer supplied by Omega - available from other sources)

 

 

 
 

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