Canon EF 40mm f/2.8 STM

Announced Jun 8, 2012 •
Prime lens | Canon EF | 6310B002
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Hi, I just got a second hand EF40mm/2.8. It did not take me long to notice that the camera every once in a while would freeze when touching the lens. This is a known problem that can be fixed using a firmware upgrade if you have a 5D3 or 1DX according to Canon website. Since I do not have easy access to either of these, is it possible with the 7D2 as well to upgrade lens firmware? (I don't have that one either, but my neighbour does). Thanks! --David.
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Hi folks, I'm looking for a new prime lens for my Canon EOS 70D with the following three characteristics: Standard 50mm-equivalent focal length (that is to say, something in the range 28mm - 35mm) Large aperture (f/2 and above, though I may consider f/2.8 if necessary) Low budget ($600 max) I'm not a professional and my typical shooting situations are very generic: Indoor, low-light portraits / footage Outdoor natural landscapes To these, I would like to add some very rudimentary...
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Hi all, I dropped my STM lens (stupid I know) and now the autofocus is hard to t turn. I noticed that the metal ring below it (silver ring in this picture) is slightly bent - can I pop off the focusing ring and bend the silver part back into shape?
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Hello all, new to the forums. I've been a camera enthusiast for a few years now, taking photos as much as I can with my T2i with 18-55 kit lens. I recently bought a Canon EF 40MM "Pancake", though when putting the lens on, it seems to be quite tight in turning to click in with the camera body. Is this a known issue for the 40mm, or is there something wrong with the camera or lens? Any suggestions? Many thanks, JC
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Dear all, I recently purchased a 40mm EF lens f/2.8 stm. To my surprise when I mount it on my canon 350D, the light metering seams to be all off. In automatic setting It takes pictures that are very over exposed. It also insists on using the flash when it's not necessary. I can make a good picture when I adjust shutter speed myself (Tv), but I would like to use the automatic settings (the green rectangle). This is now impossible because it over exposes everything Is this a known issue? Is...
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Friends, I need your inputs and opinion again. I'm mainly into Nature and Wildlife photography (Specifically Bird photography) and my current setup is a Canon EOS 60D, Canon EF-s 15-85 and Canon EF 40mm. Would be picking a Canon EF 100-400 Mk2 shortly. Had finalized on Sirui P-424 monopod with L-10 Tilt head and was about to place an order, and then thought if I just go only with a Monopod what about Nature/Landscape or Cityscape or Night photography which comprises of about 40%....So, I'm...
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Answered
Hello All, My current gear is Canon EOS 60D, Canon EF-S 15-85 and Canon EF 40mm. I have been doing bird photography for about an year, for these I have been renting lenses Canon 100-400 (60%), Canon 300 F4 (10%), Canon 400 F5.6 (10%), Canon 300 f2.8 (20%). Lens rental in India was relatively cheap and I could rent them for a min of 1 Day(~1% cost of the lens for every rental). Now, after moving to Nottingham, UK, I find lens rental is quite expensive and since min rental is 3 days (every time...
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Hello All, My current gear is Canon EOS 60D, Canon EF-S 15-85 and Canon EF 40mm. I have been doing bird photography for about an year, for these I have been renting lenses Canon 100-400 (60%), Canon 300 F4 (10%), Canon 400 F5.6 (10%), Canon 300 f2.8 (20%). Lens rental in India was relatively cheap and I could rent them for a min of 1 Day(~1% cost of the lens for every rental). Now, after moving to Nottingham, UK, I find lens rental is quite expensive and since min rental is 3 days (every time...
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These are some of the pics i took just to show the weird result i want to show. All images were shot using a tripod and the lens was in MF. I find this weird sharpness issue in the 40mm pics since a couple of months. I know that this lens is super sharp from f2.8 from my initial days of using this lens. Can anyone help me in finding what exactly is wrong with this lens. Its still under warranty.I don't see any traces of fungus on the lens. I don’t quite know how to describe the problem, but...
By: UK Pics (Jan 19, 2014)
Posted to: Open Talk
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I recently purchased the Canon 600D/Rebel T3i along with 18-55mm IS II & 55-250 IS II lenses. I don't have a big budget and its just my hobby(at least as of yet :P)! Only th 40mm f/2.8 STM and 50mm f/1.8 II lens comes within my 3rd lens budget! Should I go for it or not waste my money on it? Remember I have an APS-C sensor... and if I should go for a 3rd lens which one should it be? The pancake or the nifty fifty? Please advice! Thanks a lot in advance :D
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