Canon Unveils New 18-135mm and 40mm “Stepping Motor” Lenses

Hand-in-hand with the much-anticipated EOS Rebel T4i — mentioned in the same press release in fact — come two new lenses from Canon, both of which boast equally new “Stepping Motor” (STM) technology. The EF 40mm f/2.8 pancake lens in particular has been anticipated for some time because it marks Canon’s first foray into pancake lenses. But the new STM technology found in both lenses, especially when paired with the T4i’s Movie Servo AF, has everybody curious if not excited.

Both lenses will be available at the end of June at $549.99 for the 18-135mm and $199.99 for the 40mm. The 18-135mm IS lens will also be available as a kit lens alongside the Rebel T4i for a total $1199.00.

  • Osmosisstudios

    $1200 for a REBEL kit?


  • Nobody

    Do the math, it sounds about right. That 18-135 is going to be an incredibly versatile lens and as suggested retails @ $550. So you would be getting the body for $550, not that bad of a deal when you really think about it.

  • Happy_Tinfoil_Cat

    Anyone with familiarity with “stepping motors” knows they are anything but smooth. By definition, they have cogging between steps or micro-steps. Video focusing is the last thing I would have expected them to be used for. My guess is they’re super low cost tiny steppers driving relatively huge plastic gears with lots of gear slop and backlash. I notice the lenses are missing the red rubber band ;^)

  • Jeffrey Remick

    No sir, it is $1199. Don’t go overboard. 

  • MyNAmeisFree

     Some are very incremented, but they can be also very very smooth. As in hard drive stepping motors. Fast, precise, and most of all smooth if they use the right ones. Will they? I have no idea.

  •!/thelonelylights Adam Cross

    the 600D kit was over $1,000 so for a 650 kit with new STM tech lens to be $1,199 – that’s pretty good. especially since Canon are famous for over-pricing new gear.

    Body Alone – $849
    w/ EF-S 18-55mm f/3.5-5.6 IS II lens – $949
    w/ new EF-S 18-135mm f/3.5-5.6 IS STM lens – $1,199
    EF-S 18-135mm f/3.5-5.6 IS STM lens – $549 (so buying with the body you save $200)
    EF 40mm f/2.8 STM – $199

  • Happy_Tinfoil_Cat

     I thought hard drives switched to “voice coil” technology back when Seagate stole it from Atasi

  • MyNAmeisFree

    Wow. I feel old and out of it now. Yup it seems that steppers left.  I yield to your rightness.

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  • Chris Dube

    I agree that this is not an advance, just a cost-saving feature. The advantage to using steppers instead of DC motors is that there is no need for an encoder for closed loop motor control.

  • chuntianwen

  • talkingtojosh

    i’m wondering if any of this STM technology will work on any of the other Canon DSLRs…

  • henfana