Step 2: Disassembly - Part 1 - Outer Optics
So what you want to do is remove all the lenses and mechanisms from lens so you can fit the largest possible drinking glass in their place. Every lens is different but you are likely to find similar construction methods.
The front lens can be the most difficult but it is much easier if you aren't worried about scratching anything. Usually, the front lens is held by a ring that has all the words and numbers on it. If you look closely where the lens cap hooks on, you'll see it is a very fine thread. This is the thread that filters screw onto and it is what the ring is screwed onto as well.
Camera techs have different sized rubber rings called lens wrenches that they push onto the ring and twist to "unscrew" them. I used a small screwdriver and pushed it counter clockwise. It didn't take too much force to loosen it, then it's just a matter of unscrewing it with your fingers.
Under that lens was another, also held in by a ring with a notch on it so same technique.
Under that was one held in by 4 screws, then another with a threaded ring.
Keep going until you can't remove any more lenses from the front.
The front lens can be the most difficult but it is much easier if you aren't worried about scratching anything. Usually, the front lens is held by a ring that has all the words and numbers on it. If you look closely where the lens cap hooks on, you'll see it is a very fine thread. This is the thread that filters screw onto and it is what the ring is screwed onto as well.
Camera techs have different sized rubber rings called lens wrenches that they push onto the ring and twist to "unscrew" them. I used a small screwdriver and pushed it counter clockwise. It didn't take too much force to loosen it, then it's just a matter of unscrewing it with your fingers.
Under that lens was another, also held in by a ring with a notch on it so same technique.
Under that was one held in by 4 screws, then another with a threaded ring.
Keep going until you can't remove any more lenses from the front.
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