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Thread started 29 Aug 2006 (Tuesday) 08:43
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Tamron 17-50mm f/2.8

 
lnandi
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Jan 19, 2011 03:57 |  #2641

Hi all!

I was looking at digital-picture iso-crop sample images of this lens and I noticed that at 50mm f3.2 looks way better than f2.8.

http://www.the-digital-picture.com …omp=0&FLIComp=3​&APIComp=1 (external link)

If this is true it means that results could be more pleasing by giving up 1/3 of light (unless its absolutely needed to avoid low shutter speed blur) and a bit of DOF and bokeh when shooting 50mm portraits (which I for example happen to do a lot) in exhange to center and mid frame clarity and contrast.

Its winter here now, with grey days, and its dark by the time I get home from work... so I still need to do some testing myself when I get to it, but what do you guys think, is there a real world difference, or is it just the artificial testing showing differences?


550D | Nifty Fifty | 100mm F2 | Yongnuo 468, 565 and some umbrellas

  
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Genome
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Jan 19, 2011 08:53 |  #2642

yup. I ran some tests my self and found that at 50mm its slightly soft (still decent though and can be corrected in post easily enough) at f2.8. Knock it down 1/3 of a stop to 3.2 and its very sharp again.

At other focal lengths its sharp wide open.


Flickr (external link)
In the bag:
Canon 500D Tamron 17-50 f2.8 Canon 70-200L f4 Jessops 2x converter Jessops 360 Flash

  
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RobCoombs
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Location: Canada
     
Jan 19, 2011 10:55 |  #2643

Wow, the pics are so sharp!! This is definitely going to be my next lens


Canon 5DII [] Canon 85 1.8 [] Canon 50mm 1.8 [] YN-465 [] www.500px.com/robcoomb​s (external link) []

  
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Marlfox
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Jan 21, 2011 10:40 as a reply to  @ RobCoombs's post |  #2644

IMAGE: http://farm6.static.flickr.com/5282/5375428081_5edec4fc07_z.jpg
IMAGE LINK: http://www.flickr.com/​photos/marlfox/5375428​081/  (external link)
2011-01-21 at 02-02-13 (external link) by Marlfox (external link), on Flickr

IMAGE: http://farm6.static.flickr.com/5161/5376023506_4335e88f1c_z.jpg
IMAGE LINK: http://www.flickr.com/​photos/marlfox/5376023​506/  (external link)
2011-01-21 at 02-12-46 (external link) by Marlfox (external link), on Flickr
IMAGE: http://farm6.static.flickr.com/5007/5375422297_ca6085df4a_z.jpg
IMAGE LINK: http://www.flickr.com/​photos/marlfox/5375422​297/  (external link)
2011-01-21 at 02-32-42 (external link) by Marlfox (external link), on Flickr

IMAGE: http://farm6.static.flickr.com/5042/5376021556_130178664b_z.jpg
IMAGE LINK: http://www.flickr.com/​photos/marlfox/5376021​556/  (external link)
2011-01-21 at 02-18-12 (external link) by Marlfox (external link), on Flickr

No PP on any of them. Tough to get a dark sky in downtown Fort Lauderdale!

-Geoff-
5d ii / 24-105L/ 85L/ 100 Macro /135L

  
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loganz
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Jan 21, 2011 12:09 |  #2645

IMAGE: http://farm6.static.flickr.com/5044/5374109421_c778eedd91.jpg
IMAGE LINK: http://www.flickr.com/​photos/loganz/53741094​21/  (external link)
POTD20: Sae Jong's Jalapeno Tempura (external link) by Logan Sakai (external link), on Flickr

hello.

  
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bigrig
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Jan 21, 2011 19:04 as a reply to  @ loganz's post |  #2646

Waffles!

IMAGE: http://images31.fotki.com/v1054/photos/2/401442/9145900/IMG_9883-vi.jpg



  
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lnandi
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69 posts
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Jan 23, 2011 09:22 |  #2647

ISO: 100
Exposure: 1/160 sec
Aperture: 3.2
Focal Length: 31mm

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

550D | Nifty Fifty | 100mm F2 | Yongnuo 468, 565 and some umbrellas

  
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ride5000
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Jan 24, 2011 09:22 |  #2648

IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

_MG_9945-37 (external link) by k.a. gilbert (external link), on Flickr

flickr (external link)

5dc w/ee-s, rokinon 85mm f/1.4, rokinon 35mm f/1.4, rokinon 8mm f/3.5, sigma 24 f/1.8, canon 35-135 f/3.5-4.5, canon 50mm f/1.8, nikkor s-auto 50mm f/1.4, tokina 11-16 f/2.8, 430ex2, pcb e640, oc-3, st-e2, pixel knight tr332, DiCAPac WPS10, b+w 10 stop nd, hoya hd cpl, kenko ext. tubes, brolly, diy softbox, etc.

  
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bedojo
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1,301 posts
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Location: portland oregon
     
Jan 24, 2011 13:07 |  #2649

i think you missed her face...


follow me 500px (external link) || Facebook Page (external link) || Flickr (external link) || Website & Blog (external link) ||Feedback: 1 2
Gear: Fujifilm X-Pro 1 || 18mm f2.0 || 35mm f1.4 || 60mm f2.4 || AB800 || YN560 || Gordy Wrist Strap || Billingham Hadley Pro ||

  
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lnandi
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69 posts
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Jan 24, 2011 15:05 as a reply to  @ bedojo's post |  #2650

Who said he was after the face? :)

Model: Canon EOS 550D
ISO: 400
Exposure: 1/200 sec
Aperture: 5.6
Focal Length: 29mm
Flash Used: Yes

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


Model: Canon EOS 550D
ISO: 400
Exposure: 1/200 sec
Aperture: 6.3
Focal Length: 35mm
Flash Used: Yes
IMAGE NOT FOUND
IMAGE IS A REDIRECT OR MISSING!
HTTP response: 404 | MIME changed to 'image/png' | Byte size: ZERO

550D | Nifty Fifty | 100mm F2 | Yongnuo 468, 565 and some umbrellas

  
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micallef1990
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Jan 24, 2011 15:21 |  #2651

i want this lens


Canon 5D MK3.... lenses -Sigma 35mm art. 135L
http://flickr.com/phot​os/35298090@N03/ (external link)

  
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Bobster
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Jan 25, 2011 18:44 |  #2652

micallef1990 wrote in post #11706028 (external link)
i want this lens

not if you live in the UK, anything goes wrong with it and Intro 2020 are really bad at support.. go for sigma instead, better support by far!


Robert Whetton (external link) Dorset Portrait & Events Photographer | Photoshop Guru
DIY Monitor Hood (external link) | Gear | Tweet (external link) | Insta (external link) | FoCal 2 (external link)| Ultimate RAW Editor (external link)

  
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micallef1990
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Jan 26, 2011 08:23 |  #2653

Bobster wrote in post #11713892 (external link)
not if you live in the UK, anything goes wrong with it and Intro 2020 are really bad at support.. go for sigma instead, better support by far!

the sigma is alot more expensive and so is the canon. :(


Canon 5D MK3.... lenses -Sigma 35mm art. 135L
http://flickr.com/phot​os/35298090@N03/ (external link)

  
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asty80
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Jan 26, 2011 09:29 |  #2654

Just got this lens...and first impression of it is that it is really a schreecher! The sound and focussing pattern is different from the canon 18-55 IS .. Took a couple of pics but didnt come out as clear and sharp as the pics on this topic. I'll see how it goes. Perhaps a learning curve.


Canon 5D Mark iii, Canon 40D
24-105mm f/4 L IS, Tamron 17-50mm f/2.8, 50mm f/1.8, 100-400L, 100mm macro, 430ex ii, SLIK 700DX tripod
http://www.flickr.com/​photos/shyamyag (external link)
:)

  
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turkleten
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584 posts
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Location: NY
     
Jan 26, 2011 10:10 |  #2655

zood wrote in post #11583445 (external link)
QUOTED IMAGE
QUOTED IMAGE
QUOTED IMAGE

Wow! These are amazing shots!


7D | 50mm ƒ1.4 | 17-50 ƒ2.8
Gear | Feedback

  
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Tamron 17-50mm f/2.8
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