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Shutterstock Photographer Forum Forum Index : Critique / Tips / Tricks :
How sharp is sharp?
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supertramp


Joined: 29 May 2005
Posts: 4518
Location: I don't know, I'm guessing. :)

Post Posted: Sun Apr 08, 2012 10:56 pm     Reply with quote

This is mostly for all you newbies and rookies that have asked, "Is this sharp enough?"

Tripod as much as you can. A tripod/monopod is the cheapest and possibly the most reliable way to sharpen your image.

Use the best lenses you can afford. I know some can't afford Pro Grade lenses, then go for the second best. There are some good lower priced lenses out there but you need to do your homework to find out what they are.

So, here is an example of what a pretty sharp image looks like. And this could have been sharper if I had used f5.6/f8.

Shot with my Canon 5DII and ef70-200mm f2.8L IS II. Stats are 100 ISO, f2.8, 1/320s, 145mm, tripod. No sharpening, only a WB, highlight/shadow adjustment.

Thanks to my daughter for posing to see what this new lens can do.



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saisnaps


Joined: 29 Jul 2010
Posts: 105

Post Posted: Mon Apr 09, 2012 5:01 am     Reply with quote

I am one of those struggling to get focus issues resolved.

Lense... Was wondering if tamron 90mm macro f2.8, or nikon 85mm f1.8. Both are priced in the same range. I had a chance to borrow the nikon 85mm f1.8, and it did give me a more desirable result compared to the 18-105mm kit lense and 50mm f1.8 for portrait pictures. That was my own experience of what is the contribution of the lense.

Please suggest which is a better lense. OR do you have any other suggestions. I focusing to work on people photography. The budget is around USD 500/-
kenny123


Joined: 13 Aug 2005
Posts: 6079
Location: Masterton,Wairarapa, New Zealand

Post Posted: Mon Apr 09, 2012 5:17 am     Reply with quote

Non VR Nikkor 70-300 crappy kit lens on 7 year old Nikon D50,hand-held, 400 iso,1/4000sec @ F11-sometimes you just have to master what you have,


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bsluijk


Joined: 08 Jul 2011
Posts: 123
Location: Netherlands

Post Posted: Mon Apr 09, 2012 5:32 am     Reply with quote

saisnaps wrote:
I am one of those struggling to get focus issues resolved.

Lense... Was wondering if tamron 90mm macro f2.8, or nikon 85mm f1.8.
...
Please suggest which is a better lense.


I'd recommend to check out the reviews that are available at the-digital-picture.com. A comparative review of the two lenses you are considering can be easily composed:

http://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=791&Camera=614&Sample=0&FLI=0&API=2&LensComp=392&CameraComp=453&SampleComp=0&FLIComp=0&APIComp=0.
saisnaps


Joined: 29 Jul 2010
Posts: 105

Post Posted: Mon Apr 09, 2012 5:35 am     Reply with quote

Thanks Kenny for your reply.

I wish, I had one of you next to me when I shoot to catch me red handed, and show me how I am goofing.
hhltdave5


Joined: 20 Jun 2006
Posts: 24082
Location: Our Stock, Food & Portrait photography books at www.rindersmithphotography.com

Post Posted: Mon Apr 09, 2012 7:17 am     Reply with quote

I have been using the Tamron 90 2.8 for about 6 years now and love it. I use it for about 95% of my food and table top images. It also makes for a pretty darn good portrait lens.

Here are some crops and examples of it.



http://www.shutterstock.com/pic.mhtml?id=57109360



http://www.shutterstock.com/pic.mhtml?id=9921739



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digigandalf


Joined: 11 Jun 2005
Posts: 5412
Location: Twinsburg, OH

Post Posted: Mon Apr 09, 2012 7:25 am     Reply with quote

I second Dave's recommendation of the Tamron 90.
greenfield54


Joined: 21 Jun 2009
Posts: 2616
Location: Philippines

Post Posted: Mon Apr 09, 2012 8:00 am     Reply with quote

I shot this with a 60s era Mamiya Sekor 55mm/1.8. Shot at full aperture thus the shallow dof. Note the droplet near his chin. I also have the partner 135mm/2.8. Both I use for stock work 95% of the the time. I use extension tubes or a Nikon bellows for macro. My late father bought them with a Mamiya Sekor 500 DTL slr. The set have outlived all my other film cameras and works perfectly (mechanically) to this day.


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banepetkovic


Joined: 03 Mar 2012
Posts: 135

Post Posted: Mon Apr 09, 2012 8:55 am     Reply with quote

saisnaps wrote:
I am one of those struggling to get focus issues resolved.

Lense... Was wondering if tamron 90mm macro f2.8, or nikon 85mm f1.8. Both are priced in the same range. I had a chance to borrow the nikon 85mm f1.8, and it did give me a more desirable result compared to the 18-105mm kit lense and 50mm f1.8 for portrait pictures. That was my own experience of what is the contribution of the lense.

Please suggest which is a better lense. OR do you have any other suggestions. I focusing to work on people photography. The budget is around USD 500/-


From my point of view Samyang (Rokinon) 85mm f/1.4 is much better choice and it costs 300$ only. At 2.8 it is incredibly sharp so it will sweep both Nikon and Tamron in any kind of comparison with f/2.8. Problem could be that it is the MANUAL focus (only) lens without macro. Except that it has the best price/performance ratio - you won't find lens with such picture quality below 1000$ for a new lens.
robhainer


Joined: 03 May 2010
Posts: 2746
Location: Dallas, GA, USA

Post Posted: Mon Apr 09, 2012 10:38 am     Reply with quote

If I was going to be stuck with just one lens for stock photography for less than $500, I would get the Tamron 17-50 2.8, the version without the vibration compensation. Most of my shots are done with that lens; as long as you shoot f4 to f8, the images are good and sharp.
pharm


Joined: 09 Jul 2006
Posts: 9406
Location: Never quite sure

Post Posted: Mon Apr 09, 2012 10:54 am     Reply with quote

kenny123 wrote:
...sometimes you just have to master what you have,


Amen! One time I had to take a shot of a girl holding her trophy. It was an "on the spot" photograph and she was standing in the middle of a gymnasium. All I had was my camera and a flash. I had my wife stand in front of her and slightly to the left. I bounced my flash off of my wife's white T-shirt. The photo looked like I'd used a softbox.
jeffbanke


Joined: 18 Dec 2005
Posts: 17467
Location: www.xlr8photo.com, The real California

Post Posted: Mon Apr 09, 2012 11:06 am     Reply with quote

pharm wrote:
kenny123 wrote:
...sometimes you just have to master what you have,


Amen! One time I had to take a shot of a girl holding her trophy. It was an "on the spot" photograph and she was standing in the middle of a gymnasium. All I had was my camera and a flash. I had my wife stand in front of her and slightly to the left. I bounced my flash off of my wife's white T-shirt. The photo looked like I'd used a softbox.


LOL,
one Christmas party in Michigan at my relatives, I took a picture of two of my distant cousins sitting by the tree, and armed only with a camera and flash the same as Perry, I thought it would look much better with a warming filter. Not having one hand, simply turned the flash an pointed it at my old uncles bald head and bounced the light off his skull, thus giving a nice warm glow :-)



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fraiseap


Joined: 10 Oct 2008
Posts: 1530
Location: Birmingham UK and www.adamfraise.com

Post Posted: Mon Apr 09, 2012 12:41 pm     Reply with quote

I have finally found a use for my sister in law. She will have the same effect as a 7ft Octabox but is a lot cheaper (especially as my brother pays for her food)
jeffbanke


Joined: 18 Dec 2005
Posts: 17467
Location: www.xlr8photo.com, The real California

Post Posted: Mon Apr 09, 2012 1:17 pm     Reply with quote

fraiseap wrote:
I have finally found a use for my sister in law. She will have the same effect as a 7ft Octabox but is a lot cheaper (especially as my brother pays for her food)


OMG LMAO!
My sides hurt
marcusvdt


Joined: 12 Feb 2009
Posts: 1204
Location: www.flashbackfoto.com.br or www.facebook.com/flashbackfoto

Post Posted: Mon Apr 09, 2012 10:52 pm     Reply with quote

supertramp wrote:
This is mostly for all you newbies and rookies that have asked, "Is this sharp enough?"

Tripod as much as you can. A tripod/monopod is the cheapest and possibly the most reliable way to sharpen your image.

Use the best lenses you can afford. I know some can't afford Pro Grade lenses, then go for the second best. There are some good lower priced lenses out there but you need to do your homework to find out what they are.

So, here is an example of what a pretty sharp image looks like. And this could have been sharper if I had used f5.6/f8.

Shot with my Canon 5DII and ef70-200mm f2.8L IS II. Stats are 100 ISO, f2.8, 1/320s, 145mm, tripod. No sharpening, only a WB, highlight/shadow adjustment.

Thanks to my daughter for posing to see what this new lens can do.

I've seen photos like these judged as soft focus so many times before here in this forum. Hence my brain learned the lesson and now it is telling me that this is not so sharp to be used as an example of sharpness.

It really looks slightly soft to me, close to the correct focus, but not tack sharp.
 
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