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I just brought a new AF-s 70-200 lense and I can't get the lens cap off. It is on so tight - I hate to force it - is there a button I should be pushing?

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You have purchased a very high quality lens that is one of the main optics carried and therefore beat around by working photogs all over the world (I have the same model as well as the slightly less rugged 80-200 f2.8).

Becuase of this there are certain differences in teh lens that may be new to you. If you examine the bezel you will see that it is fully metal threaded even at 77mm and only contains a small rubber O ring. This is done for two reasons. Most importantly the quality of the lens means there si a major emphasis on vibration reduction. This is also why you will notice the lack of an actual apeture ring to bounce up and down, as well as zero external moving parts during zooms or focus.

Second it guarentees a solid mate between a specific filter and the bare lens and you dont risk a minor angle distortion as light passes through both pieces of glass.
While the lenses and filters are metal capped. The lens cap is plastic. It therefore will dig slightly into the much harder and un damagable metal rings. Simply squeez both releases on the cap all the way, twist the cap a quarter turn or so and pull quickly and sharply on one edge. this will like be the only time tha tyou will have to deal with this. Once you re attach the cap later, try to spin it a little bit on the threads themselves. the two peices will mate just fine I promise.

--Jeremy

Posted on Apr 03, 2011

Testimonial: "Extremely helpful and helped me to understand my new lens cap and why it was not releasing."

  • 3 more comments 
  • jwtriddle Apr 03, 2011

    I do not know where the two releases are to squeeze.

  • jwtriddle Apr 03, 2011

    This is the rear lens cap - it does not have a release on it like the front lens cap.
    I have been turning it to the left and probably further tightened it - do these turn to the right to loosen? Even turning to the right has not loosen the cap. Very frustrated.

  • martin bishop Apr 03, 2011

    oo haa im sorry. dont do anythign for a second until I understand what you have going on.

  • martin bishop Apr 03, 2011

    oo haa im sorry. dont do anythign for a second until I understand what you have going on.

  • martin bishop Apr 03, 2011

    If the lens is seperated from the camera body and just has a black cap on the back end to protect the rear parts than your problem is very simple

    The cap is what we call a left hand thread. in other words if the FRONT of the lens is facing the floor then you need to turn the cap to the RIGHT to remove it. the other reason you are having trouble because of the design of the cap, its molded to grab onto the rear of the lens teh same way the camera does, so what you need to do is actually press in gently on the cap while giving it a twist clockwise. by gently squeezing it you move it just enough to break its lock on the rear lens hinge.


    The cap itself should probably say open with an arrow on it if you look closely

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