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Disassembling Canon EF 35-105mm F4.5-5.6 Lens

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  1. Disassembling Canon EF 35-105mm F4.5-5.6 Lens, Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 1、 1の画像 1
    • First, remove the two screws in the barrel of the lens with a philips 0 screwdriver

  2. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 2、 1の画像 1
    • Next, remove the four screws holding the rear cover of the lens on

  3. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 3、 1の画像 1
    • Remove the rear cover, and then remove the rubber seal (shown in place around the edge of the lens in this picture).

    • Note the piece of plastic that just fell out. Not a good sign!

  4. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 4、 1の画像 1
    • Gently lift and remove the plastic barrel next to the focus switch. My one was already cracked.

  5. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 5、 1の画像 1
    • Gently manipulate and remove the AF/M focus switch - it is held in by four easily breakable brittle plastic clips.

    • Watch out for the autofocus mechanism and control wires. They are very delicate.

    • It's a good idea to switch the lens to manual at this point - adjusting the focus can help when removing the autofocus motor

  6. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 6、 1の画像 1
    • Remove the top two control wires by releasing the clamps, and then gently easing the wires from the connectors

    • Do not remove them by pulling the sticking out plastic parts (one is obscured by my finger here) - these will tear off

  7. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 7、 2の画像 1 Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 7、 2の画像 2
    • Gently lever the control board out from under the plastic tabs

    • Mind the cable underneath the board

    • Make sure you don't touch the lens element in the centre!

  8. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 8、 1の画像 1
    • Lift up the board, and then gently pull the lower connector out by the solid connector

    • Then, remove the control board entirely

  9. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 9、 2の画像 1 Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 9、 2の画像 2
    • Next, we will remove the autofocus mechanism

    • Remove the two screws shown

    • Be careful with the control cables. They tear easily. The aperture control cable on this lens is damaged already.

  10. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 10、 1の画像 1
    • Lift off the focusing mechanism.

    • It's best to have the focusing mechanism in manual (M) - then extending the lens will help you remove the mechanism

    • Remove the ringed screw and lift out the metal guide.

  11. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 11、 2の画像 1 Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 11、 2の画像 2
    • Remove the screws holding the rear element and aperture in place.

  12. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 12、 1の画像 1
    • Gently turn the zoom so it is nearly at 35mm

    • This will lift the rear element and aperture unit towards the rear of the lens, and align the three legs with gaps

    • Lift the rear element and aperture unit out

  13. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 13、 1の画像 1
    • Gently rotate the aperture unit anti-clockwise so that the three ringed legs no longer lock it in place.

    • On my lens, there was one of the three legs intact, and the aperture unit was hanging off uselessly.

  14. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 14、 1の画像 1
    • If your aperture unit is like mine, apply superglue around the outer rim, and replace

    • Don't get any on the glass!

  15. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 15、 1の画像 1
    • That's as far as I went - the zoom was no longer jammed, and reassembly was the best option here! Reassembly is the reverse of disassembly

    • The aperture unit/rear element is slightly tricky to put back. Make sure you align it correctly (lens nearly at 35 mm, so that the screw holes are high up).

    • Remember to blow dust out of the lens if you see any as you are reassembling it. Do not use anything liquid to clean the inside of the lens unless you know what you are doing.

  16. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 16、 1の画像 1
    • Put the random bits of plastic in your man (or woman) drawer. Who knows when they will come in handy?? But seriously, here's what I found:

    • That slightly torn aperture cable did not affect operation of the lens. It works perfectly.

  17. Disassembling Canon EF 35-105mm F4.5-5.6 Lens: 手順 17、 1の画像 1
    • Completely reassemble the lens and test on your SLR/D-SLR. Now you can take badly exposed shaky indoor shots like the one shown again!

    • Don't think you can get away without those tiny screws in the barrel. They hold the contacts in place. I tried and focusing did not work!

終わりに

Complete disassembly and some super glue fixed my lens, but not everyone will be so lucky.

14 の人々がこのガイドを完成させました。

作成者

2人の作成者と共同で作成されました。

Josh Watson

メンバー登録日: 11/28/11

1,869 ポイント

3のガイドは作成済み

6 件のコメント

Is there any way to disassemble the lens from the front to clean front elements?

simon.n.schmidt - 返信

Ι have the same issue

Perisbrown Brown - 返信

disassemble the lens from the front is a mystery, anyone will help?

Pericles S - 返信

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