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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 06 Jun 2012 (Wednesday) 16:17
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Canon EF 40mm f/2.8 Pancake

 
Leopold ­ Stotch
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Jun 07, 2012 14:06 |  #61

Virto wrote in post #14545819 (external link)
Arc-form is what Canon calls the standard micromotor (non-USM) drive.

Arc-form and micromotor are actually different types of focus drives, the latter of which started replacing AFD about 20 years ago. The only current lenses that still use AFD are the 135 2.8, 50 2.5, and 35 2.0. The old 15, 24,and 28 2.8 primes also use them, but they were discontinued this year.

Canon actually has a page that briefly describes motor types (external link) (unfortunately their stepper info only applies to the aperture housing), as do any of the system catalogues.


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GregoryF
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Jun 07, 2012 14:13 |  #62

Virto wrote in post #14545539 (external link)
I'm interested, but I'd like to see a firm price and I'd like to know the number of aperture blades first.

If I remember right they had the specs on Photography Bay and it mentioned 7 curved. The new motor is also in the 18-135mm II just announced.


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tkbslc
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Jun 07, 2012 14:43 |  #63

klimraamkosie wrote in post #14541427 (external link)
If this is under $200 and reasonable IQ it's a must have!

Why? Many of us have this covered by a zoom (Even at f2.8) and this is a weird in-between focal length for APS-C. Saving an inch or three on the lens, doesn't make my camera any more portable. It's not like I can fit it in my pocket now.


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oklaiss
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Jun 07, 2012 15:29 |  #64

Virto wrote in post #14545539 (external link)
I'm interested, but I'd like to see a firm price and I'd like to know the number of aperture blades first.

Yup if it's around the $200 mark it should be very popular.


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Jun 07, 2012 15:31 |  #65

subbin for pics!




  
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Jun 07, 2012 16:15 |  #66

Virto wrote in post #14545819 (external link)
micro-USM (all USM lenses that do NOT have full-time manual focusing) use quieter motors to push a similar physical geartrain. Most of these are "nearly" silent, and certainly are compared with typical arc-form motors.

Ring-USM lenses support full-time manual focus and lack physical geartrains...

One exception is the 50mm f/1.4 which has the micro-USM and supports full-time manual focus


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Vixen89
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Jun 07, 2012 16:17 |  #67

On petapixel's site. xD

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'text/html' | Byte size: ZERO


http://www.petapixel.c​om …40mm-f2-8-coming-in-june/ (external link)

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Leopold ­ Stotch
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Jun 07, 2012 16:21 |  #68

Panasonic sure has a funny way of spelling its name.


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Jun 07, 2012 16:32 |  #69

Leopold Stotch wrote in post #14546529 (external link)
Panasonic sure has a funny way of spelling its name.

I know, I thought it was a hilarious photoshop though!


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westcliff
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Jun 07, 2012 16:49 |  #70

silvrg35 wrote in post #14545500 (external link)
Every ounce and volume matter when you go hiking. You really want to maximize the space in your hiking pack. I assume you don't have any experiences in this field.

By that logic, anyone hiking should be using an xxxD series camera, if they use a DSLR at all. And if one does that, the effective field of view of the 40mm on an APS-C format camera is less than ideal to be an only lens when hiking (for me), especially when the 18-55mm Rebel kit lens is relatively light, not much more than a Voigtlander 40mm f/2.0 SL-II, I believe.

And, yes, I have experience in this field.




  
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evil3
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Jun 07, 2012 17:04 |  #71

tkbslc wrote in post #14546042 (external link)
Why? Many of us have this covered by a zoom (Even at f2.8) and this is a weird in-between focal length for APS-C. Saving an inch or three on the lens, doesn't make my camera any more portable. It's not like I can fit it in my pocket now.

If this lens is priced at $200, is there a EF/EF-S zoom/prime lens that is costs less, as fast as the pancake prime (even at f2.8) and lighter/smaller than the pancake prime lens? 35mm f2 is probably the closest thing.

Honestly, Canon does not expect every user to want and buy the lens. But this is true for all lens.


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Virto
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Jun 07, 2012 17:42 |  #72

evil3 wrote in post #14546695 (external link)
If this lens is priced at $200, is there a EF/EF-S zoom/prime lens that is costs less, as fast as the pancake prime (even at f2.8) and lighter/smaller than the pancake prime lens? 35mm f2 is probably the closest thing.

Honestly, Canon does not expect every user to want and buy the lens. But this is true for all lens.

If it is only 200 bucks, it's 200 cheaper than the 35 f2. Little slower, little less wide, but it's gotta be super cheap to make for Canon to price it there. If it's 200, I may well buy one. If it's 300 or more, I'll pass.


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kf095
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Jun 07, 2012 18:02 as a reply to  @ Virto's post |  #73

No way it is going to be under 200 with AF, new AF mechanism and metal mount and pancake size.
At least same price as 35F2 or closer to 400.
I sold my 35f2. My 80$ MF OM 28 3.8 provides very good FOV on Rebel and it is more compact compare to 35f2. 40mm for my 5D with f2.8 at maximum? No, thank you.
40mm is too narrow for Crop to be as walkaround lens and kind of strange on FF.
With 17-40 on 5dc, I'm using it at 17 and 35 most. 40mm almost never.


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arentol
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Jun 07, 2012 18:25 |  #74

tkbslc wrote in post #14546042 (external link)
Why? Many of us have this covered by a zoom (Even at f2.8) and this is a weird in-between focal length for APS-C. Saving an inch or three on the lens, doesn't make my camera any more portable. It's not like I can fit it in my pocket now.

It does make your camera more portable though. For instance, I can fit my 5d3 + Voigtlander 40mm pancake (off the camera) into my everyday bag along with my Motorola Xoom 10.1 tablet. I can NOT fit any other lens I have in the bag with that camera unless I remove the Xoom, which I don't want to do.

However, making your camera more portable is not the point. The main point is to make for a very portable LENS.

Yes, you COULD carry around a 24-70, but if you only need a normal lens in case it happens to be needed then a pancake like this is the perfect lens.

For instance, you are going to shoot birds or animals with your 800 5.6, 600 4, 500 4, 400 2.8, or even 300 2.8. You know from past experience though that you might find a nice landscape to shoot, or see a beautiful sunset while out and about. So now your choice is to carry a relatively bulky and heavy 17-40, 16-35, 35 f/1.4, or 24-70 on the off chance you might want to use it, or throw this tiny lens in your bag and forget you even have it with you until you actually need it. The choice is obvious.


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Hogloff
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Jun 07, 2012 19:05 |  #75
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westcliff wrote in post #14546661 (external link)
By that logic, anyone hiking should be using an xxxD series camera, if they use a DSLR at all. And if one does that, the effective field of view of the 40mm on an APS-C format camera is less than ideal to be an only lens when hiking (for me), especially when the 18-55mm Rebel kit lens is relatively light, not much more than a Voigtlander 40mm f/2.0 SL-II, I believe.

And, yes, I have experience in this field.

I hike quite often with my 5d2 and 3 Zuiko primes ( 21, 24, 28 ) and the weight savings is very noticeable. I still want the image quality from my 5d2, but don't need the bulk or weight of full sized lenses.

I don't understand what you are arguing about. Size and weight are not a concern during a 20km trek with elevation gains of 1500 meters?




  
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Canon EF 40mm f/2.8 Pancake
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