Sony FE 50 mm f/ 1.8 Lens Manual

SAL50F14 (1.4/50) (50mm F1.4)

Aperture Operating Pin

Iris Control Plate Block

Aperture Unit Holding Ring

Aperture Unit Holding Spring

Portion A

Portion B

Apply the adhesive bond (B-10) (3 areas)

Oil (O-20): J-6082-610-A

Apply the oil (O-20) to the instruction part of the main spring.

Grease (G-85): J-6082-626-A

Apply the grease (G-85) to the instruction part of the coupler.

Adhesive bond (B-10): J-6082-612-A

1.

Attach the seven diaphragm blades to the iris control plate block.

Attach the iris feather unit in fully opening condition.

2.

Fit the portion A of the aperture unit holding ring to the aperture operating pin, and attach the iris retainer tube.

3.

Attach the aperture unit holding spring, and check the operation of the iris feather unit.

When attaching the aperture unit holding spring, insert the portion B first.

4.

After the aperture diameter adjustment is completed, apply the adhesive bond (B-10) to the instruction part of the aperture unit holding

spring.

Apply the grease
(G-85) (Slide portion)

Apply the grease
(G-85) (Gear portion)

Apply the oil (O-20) 
(Small amount on contact area)