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 Post subject: Pentax 24/2 or 21/3.2 ?
PostPosted: Thu Nov 06, 2008 3:53 pm 
I have k20d + 50mm 1.4 lens, I am looking for lowlight candid party shots without flash...(like holloween party)

Fast AF in lowlight moving shots without flash is my single most importannt criteria for this purchase...

Based on my focal length requirement I think below 2 will suit my requirement(not interested in any other model)...

Pentax 24mm f/2 SMCP-FA AL (IF)
or
Pentax 21 f3.2 DA AL Limited Digital Auto Focus Lens


Which one should I go for?

Thanks ~ Prakash


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 Post subject:
PostPosted: Thu Nov 06, 2008 9:57 pm 
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Joined: Sat Sep 20, 2008 5:53 pm
Posts: 466
Location: Sugar Land, Texas
Get a DA* 16-50mm or the 24mm f/2 without doubt. The 21mm was actually designed as a pancake style lens so you are wasting a lot of its potential. In fact the only pancake WORTH getting (they are very expensive) is the 70mm f/2.4, which isn't suitable for Halloween parties. Although I suggest the 24mm f/2 if you can find it, the DA* 16-50 (tested it) is a VERY tough lens, and I did enjoy the SDM motor and the weather sealing is a nice feature. The main advantage of the 16-50mm f/2.8 though is that it is much more versatile, and considering you already have the 50mm f/1.4. Just my thoughts.
Shortened version:

Pentax DA* 16-50mm f/2.8
Advantages- weather sealed, popular zoom range (my opinion), SDM focusing, can be bought brand new

Pentax FA* 24mm f/2
Advantages- faster than 16-50mm,

See what really matters to you.
Hope this post helped!

_________________
Samsung GX-10, , SA 18-55mm
Canon 5D Mark II, 40D, EF 17-40mm f/4 L, EF 24-105mm L IS, EF 50mm f/1.4

www.flickr.com/glxlr


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 Post subject:
PostPosted: Fri Nov 07, 2008 9:05 am 
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Joined: Sun May 27, 2007 12:39 pm
Posts: 601
Location: France
Bonjour Prakash,

I agree with GLXLR about the DA* 16-50mm lens. this lens is just amazing in terms of image quality. The f/2.8 aperture combined with Pentax shake reduction allows low light shots without flash.

Have a look at my full :arrow: Pentax DA* 16-50mm f2.8 ED/AL (IF) SDM User Review :!:

Enjoy :)

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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 Post subject:
PostPosted: Fri Nov 07, 2008 5:11 pm 
May i ask what a pancake lens is? :)


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 Post subject:
PostPosted: Fri Nov 07, 2008 6:36 pm 
0eyvind wrote:
May i ask what a pancake lens is? :)


A very thin one:

http://www.thinkcamera.com/news/images/ ... ancake.jpg


Mark


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 Post subject:
PostPosted: Sat Nov 08, 2008 7:11 am 
GLXLR wrote:
Get a DA* 16-50mm or the 24mm f/2 without doubt. The 21mm was actually designed as a pancake style lens so you are wasting a lot of its potential. In fact the only pancake WORTH getting (they are very expensive) is the 70mm f/2.4, which isn't suitable for Halloween parties. Although I suggest the 24mm f/2 if you can find it, the DA* 16-50 (tested it) is a VERY tough lens, and I did enjoy the SDM motor and the weather sealing is a nice feature. The main advantage of the 16-50mm f/2.8 though is that it is much more versatile, and considering you already have the 50mm f/1.4. Just my thoughts.
Shortened version:

Pentax DA* 16-50mm f/2.8
Advantages- weather sealed, popular zoom range (my opinion), SDM focusing, can be bought brand new

Pentax FA* 24mm f/2
Advantages- faster than 16-50mm,

See what really matters to you.
Hope this post helped!


16-50mm - Heard 50% plus peoples have to return there model to get right lens....lots of faulty ones...though does it do good focus for lowlight moving pictures?

so fa24 is better than da21 in every department, except focal length and size where i am more comfertable with 24mm only....

what is that af24 has which makes it do better focus except aperture 2? any tech improvement than other models? like SDM?


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 Post subject:
PostPosted: Sat Nov 08, 2008 9:45 am 
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Joined: Sun May 27, 2007 12:39 pm
Posts: 601
Location: France
Bonjour Prakash,

heda_p wrote:
16-50mm - Heard 50% plus peoples have to return there model to get right lens....lots of faulty ones...though does it do good focus for lowlight moving pictures?


Mine works superb and has no back focus. See some :arrow: low light pictures of the cathedral of Chartres.

Enjoy :)

_________________
--- rei_vilo
Pentax K-5 + BG4 + DA* 16-50 + DA* 50-135 + DA* 60-250 + AF-540FGZ
reivilophotography.weebly.com


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