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07-20-2014, 02:56 PM   #1
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10mm or 14mm?

Help! I'm in a difficult knot. I don't know whether I should buy the 14mm 2.8 or the 10mm 2.8, Both are Rokinon.

I'll be shooting with an APS-C,

Anyone have photos with 14mm on an aps-c or a 10mm on aps-c?

Please help!

07-20-2014, 03:02 PM   #2
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Here are some 10mm samples:
PENTAX K-5 | Sample Photos for Pentax Cameras & Lenses - PentaxForums.com

Here are some 14mm samples:
PENTAX K-5 | Sample Photos for Pentax Cameras & Lenses - PentaxForums.com

The 10mm lens is a lot wider and it's more for specialty applications like real estate and car interiors. If you just want to shoot landscapes or starscapes, I'd probably go for the 14mm.

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07-20-2014, 03:43 PM   #3
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QuoteOriginally posted by steezylistic Quote
Help! I'm in a difficult knot. I don't know whether I should buy the 14mm 2.8 or the 10mm 2.8, Both are Rokinon.

I'll be shooting with an APS-C,

Anyone have photos with 14mm on an aps-c or a 10mm on aps-c?

Please help!
I have the 14mm (vivitar branded 13mm) and the sigma 10-20 .

While the 14 is a good lens,, and coatings are also good, the only thing is there is quite a bit of barrel distortion.

Also I find that for some situations 14mm is not wide enough. That's a personal view. I like 10mm for interior shots! churches etc, and for european city street shots
07-20-2014, 04:13 PM   #4
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Do you have a specific need for a prime lens?

For greater flexibility get either the Tamron 10-24 or the Sigma 10-20. Either way, you get 10mm and 14mm and much more. I have the Tamron 10-24 and would not part with it.

07-20-2014, 04:16 PM   #5
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I have Samyang 14mm (same as Rokinon, Bower, etc.). I find it to be awkwardly wide sometimes. I think the 16mm f2.0 lens might be easier to handle. I would say 14mm is very wide and maybe avoid 10mm if this is your first ultra wide lens
There are also some threads with photos taken with Samyang lenses, Here is one
https://www.pentaxforums.com/forums/122-lens-clubs/137335-samyang-lens-club.html
07-20-2014, 08:16 PM   #6
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Why you are getting advice to look at different lenses:

Ultrawide lenses can make composition difficult. Stuff that is just a few strides away and perfectly obvious suddenly shrinks to an insignificant detail with a UWA. The optical magic that crams the really wide field of view onto the sensor also distorts the shapes and spatial relationships. A zoom lens gives you more choices to make a shot work; that's why people are suggesting zooms. The disadvantages of zooms are less important at these focal lengths. You can often use very slow shutter speeds handheld, so an f2.8 lens is not necessary. And the depth of field is naturally large so a large aperture doesn't always create an out of focus area.

So the short answer is: Probably if you don't know you need 10mm, the 14mm will be easier to use.

You can stitch some shots together from your current wide angle lens to simulate an ultrawide. That might help you see what focal length would be best for a particular shot.
07-20-2014, 10:46 PM   #7
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I struggle with composing my DA 14mm, but I'm not a wide shooter.
07-20-2014, 10:55 PM   #8
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Yeah, I'm a definite wide shooter.

Thanks for the advice guys, I purchased the 14mm. I'll be posting some photos soon.

Any of you guys have instagram ?

07-21-2014, 07:19 AM   #9
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Instagram won't let me in, I'm too old.
07-21-2014, 02:34 PM   #10
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I had to ask this question myself, so i asked a Pentax 12-24 and a Sigma 8-16 owner which focal length they would probably use the most. They both said the lowest.
I guess its just like: the more extra mm's the better. I ordered the 10mm lens this weekend - lets see how it will turn out.
07-21-2014, 04:02 PM   #11
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I do have Instagram but rarely look at it mainly because I haven't discovered how to easily post photos that are not from my phone.


QuoteOriginally posted by steezylistic Quote
Yeah, I'm a definite wide shooter.

Thanks for the advice guys, I purchased the 14mm. I'll be posting some photos soon.

Any of you guys have instagram ?
07-21-2014, 04:42 PM   #12
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QuoteOriginally posted by TedW Quote
I do have Instagram but rarely look at it mainly because I haven't discovered how to easily post photos that are not from my phone.
I do it this way: PC -> Dropbox; Export to -> Square InstaPic (android)-> Instagaram
07-22-2014, 01:28 AM   #13
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QuoteOriginally posted by TedW Quote
I do have Instagram but rarely look at it mainly because I haven't discovered how to easily post photos that are not from my phone.
Shoot with a MicroSD and then get a droid with a micro SD slot. That's how I do it. Or I email images to myself once I'm done editing and download from my phone then post to ig
07-23-2014, 05:46 AM   #14
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@steezylistic
I don't use services like Instagram, but from my K200D I can (via USB) directly store to my cheapo (€ 32) 7inch tablet.

Last edited by RKKS08; 07-23-2014 at 05:47 AM. Reason: Typing
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