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Author Topic: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?  (Read 10283 times)

neuroanatomist

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #15 on: February 28, 2013, 02:19:06 PM »
Why do you want a petal hood? Just get the ET-60 that's designed for it...

The EW-63II might fit, it's designed for the 28 f/1.8 (among others) which shares the 58mm filter threads, so it should be close in size. Won't be as useful, since it's not really deep enough though. That's probably the closest you'll get... or just take the ET-60 and cut it to a petal shape if it's that important.

No, the EW-63II won't fit - the number in the hood designates the mount diameter for the hood itself, and a hood with a 63mm diameter hood won't fit on a lens that's got a 60mm hood mount.

As stated, just get the ET-60 or a knock-off version of the same.
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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #15 on: February 28, 2013, 02:19:06 PM »

NostraHistoria

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #16 on: February 28, 2013, 02:29:01 PM »
I read somewhere that if I get the ET-60 for the 18-55mm, it will be useless. True?

jeff92k7

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #17 on: February 28, 2013, 02:32:47 PM »
I read somewhere that if I get the ET-60 for the 18-55mm, it will be useless. True?

For images, that is true.  It is pointless.  But it does stick out a small bit in front of the lens and may help reduce impacts to the front element.
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neuroanatomist

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #18 on: February 28, 2013, 02:33:43 PM »
I read somewhere that if I get the ET-60 for the 18-55mm, it will be useless. True?

The ET-60 will cause vignetting on the 18-55mm lens.  The EW-60 is the dedicated hood for that lens. 
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sama

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #20 on: February 28, 2013, 03:39:16 PM »
Why do you want a petal hood? Just get the ET-60 that's designed for it...

The EW-63II might fit, it's designed for the 28 f/1.8 (among others) which shares the 58mm filter threads, so it should be close in size. Won't be as useful, since it's not really deep enough though. That's probably the closest you'll get... or just take the ET-60 and cut it to a petal shape if it's that important.

No, the EW-63II won't fit - the number in the hood designates the mount diameter for the hood itself, and a hood with a 63mm diameter hood won't fit on a lens that's got a 60mm hood mount.

As stated, just get the ET-60 or a knock-off version of the same.

http://www.ebay.ca/itm/Replacement-Lens-Len-Hood-ES-62-EW-78D-EW-78E-ET-60-ET60-For-Canon-Camera-Kamera-/271029057175?pt=LH_DefaultDomain_0&var=&hash=item3f1a973697

crasher8

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #21 on: February 28, 2013, 03:51:54 PM »
How about a 70-200 f.4? They're going for $474 refurb at Canon USA. Superior in every way.

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #21 on: February 28, 2013, 03:51:54 PM »

NostraHistoria

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #22 on: February 28, 2013, 04:18:48 PM »
How about a 70-200 f.4? They're going for $474 refurb at Canon USA. Superior in every way.

Too much money. I will get this one and then maybe the best in a few years.

rs

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #23 on: February 28, 2013, 04:20:31 PM »
Is the EW 60C ok?

http://www.ebay.com/itm/Lens-Petal-Snap-on-Hood-EW-60C-for-Canon-EF-S-18-55mm-f-3-5-5-6-IS-/290860032445?pt=LH_DefaultDomain_0&hash=item43b89be1bd
Both the 18-55 and the 55-250 have a front element that rotates when focusing - if the hood is petal shaped, the cut out corners will spin around as it focuses. If the hood is deep enough to offer the correct amount of shading when lined up, it'll cause series (read: image destroying, unless you want to just crop to use the centre) vignetting at wider settings on the zoom range as you change focus. That hood you've found simply looks like a copy of the shallow EW-60C with corners pointlessly cut out of it, making it less effective, and no doubt annoying when the lens focuses as it highlights the rotation of the front element.

Both lenses have a different angle of view, so the wider lens will need a shorter hood than the more telephoto lens. Just get the recommended Canon hoods, or get copies without the pointless (or even image destroying, if deep enough) petal shape:

http://www.usa.canon.com/cusa/consumer/products/cameras/ef_lens_lineup/ef_s_18_55mm_f_3_5_5_6_is_ii#SuppliesAndAccessories
http://www.usa.canon.com/cusa/consumer/products/cameras/ef_lens_lineup/ef_s_55_250mm_f_4_5_6_is_ii#SuppliesAndAccessories

To re-iterate, just get the recommended Canon hoods, or get copies. Stay clear of petal hoods with those two lenses.
« Last Edit: February 28, 2013, 04:25:16 PM by rs »
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NostraHistoria

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #24 on: March 01, 2013, 05:15:45 PM »
I read a lot on the hoods, and it seemed that the petal hood was the best to block light in a picture. The following pictures on this site prove it: http://digital-photography-school.com/why-you-should-use-your-lens-hood

Whenever I get it, I will probably post pics.

bseitz234

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #25 on: March 01, 2013, 06:01:55 PM »
I read a lot on the hoods, and it seemed that the petal hood was the best to block light in a picture. The following pictures on this site prove it: http://digital-photography-school.com/why-you-should-use-your-lens-hood

Whenever I get it, I will probably post pics.
Where does that anywhere say a petal hood blocks light better? That picture shows that using a hood helps. Which it does. The ET-60 will give you exactly that protection against flare.
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neuroanatomist

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #26 on: March 01, 2013, 06:22:42 PM »
Where does that anywhere say a petal hood blocks light better? That picture shows that using a hood helps. Which it does. The ET-60 will give you exactly that protection against flare.

+1

The point is that you should use a hood.  Importantly, you should use a hood designed for the lens.  In some cases (usually zooms with a wide angle or ultrawide zooms), that's a petal hood. In other cases (standard and longer primes, most telezooms especially 'slow' ones), it's a not petal-shaped.  The folks who design the optical formula of the lens also design the hood for optimal light blocking without vignetting, sometimes with practical compromises (like where possible avoiding rounded edges which result in a lens falling over if set down on the front of the hood).
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rs

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #27 on: March 01, 2013, 07:08:45 PM »
If you think you know better than Canon, Neuro, and all the other great people who give up their time and expertise on this forum for free, then fair enough. Get a petal hood, and enjoy watching it spinning around when you focus.

If you do feel like reading on, a petal hood is shaped like it is because the lens produces a circular image, but the sensor sees a rectangular (3:2) image. The lens hood is designed to shield the lens from stray light which would only add flare. The lens hood on a zoom is always optimised for the widest setting, so as to avoid shielding the corners/edges, hence the reason why the 18-55 needs a shorter lens hood than the 55-250.

The petal shape comes about because of the fact that more expensive lenses have front elements which do not rotate. Because of that, they can have a lens hood which is shaped to provide shading to match that rectangular shape of the sensor, optimising the shading. These petal shapes are exclusively found on lenses with front elements which do not rotate, and almost only on wider angle lenses.

If you find a petal shaped hood which offers the perfect amount of shading for your lens, the moment your lens refocuses, that 3:2 rectangle of shading provided by the hood will rotate, and won't line up with the sensor. There will be completely black corners or edges. It will be terrible. But if you find one like that eBay one you pointed out, it's the normal (shallow) one with badly and pointlessly cut out corners, which only reduce the effectiveness of the hood, and will wind you up every time the lens refocuses.

It's your choice, your money, and if you're certain you know better than Canon, feel free to get something off eBay which is made by people willing to exploit your viewpoint.
« Last Edit: March 01, 2013, 08:05:38 PM by rs »
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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #27 on: March 01, 2013, 07:08:45 PM »

NostraHistoria

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #28 on: March 03, 2013, 09:42:56 PM »
I do not know who to believe now.

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RC

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #29 on: March 03, 2013, 11:21:19 PM »
Maybe it's just me, but on a lens this cheap, I would pay the small premium to buy new from an authorized dealer rather than risk buying used. Particularly because it isn't the most robust lens in the world and you just never know what kind of abuse a used lens has been subjected to.
Agree. 

Then you can sell it when you are ready and get...
How about a 70-200 f.4? They're going for $474 refurb at Canon USA. Superior in every way.

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Re: Buy EF-S 55-250mm f/4-5.6 IS II now or wait until September?
« Reply #29 on: March 03, 2013, 11:21:19 PM »