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MINOLTA

MD 50mm f1.7 Lens Disassembly Tutorial

Easy disassembly method for lens cleaning (mold removal)

Difficulty:

★★✩✩✩

Things to prepare

• JIS cross-point precision screwdriver

• Rubber name-ring removal tool

• Kitchen rubber gloves

• Blower or compressed air

• Lens cleaning paper

• Lens cleaning liquid (lens cleaner)

Size comparison of economy standard

lenses. MD version on the left, older MC

version on the right.

These tutorials originally appeared on a now-defunct Japanese website. A German website dedicated to the

Minolta manual focus system had copied the pages and kept them online after the original Japanese site

closed up, but the tutorials were written in Japanese.

We’ve translated them into English and are posting them on the Learn Camera Repair website so that they’ll

be available to English-speaking users, and to keep them available if the German site ever goes dark. You can

see the original Japanese versions on the Minolta SR Site:

Содержание MD 50mm f1.7

Страница 2: ...Using the name ring removal tool loosen the ring by turning counter clockwise Remove the three screws to remove the filter frame cover Remove the three screws to remove the filter frame cover ...

Страница 3: ...ic parts have been incorporated with the diaphragm cam From this era it has been moved to the diaphragm ring and directly attached A revolutionary structural change Note When the aperture ring is lifted it will come off but at this time the spring of the click stop will bounce and the tiny bearing will tend to go missing Remove the three screws and remove the lens unit ...

Страница 4: ...s sand wiching the aperture are in a unit structure housed in a metal tube The lenses facing the outsides of this unit are hard coated so it is okay to clean them but if you disassemble it the lenses on the inside are soft and can be scratched easily Optical diagram of the MD 50mm f1 7 lens Pull out the rear lens unit ...