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Lloydy
Joined: 02 Sep 2009
Posts: 7788
Location: Ironbridge. UK.
Expire: 2022-01-01
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 Posted: Thu Jul 25, 2013 2:29 pm Post subject: Tamron 90 / 2.5. 52BB |
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Lloydy wrote:
I love this lens, the 90 length is perfect on the NEX, it's sharp, the colours are superb, it does excellent close focus - even without the X2 converter.
There's a lovely field of old fashioned wild meadow flowers close to me and I can't resist getting in there on a sunny afternoon.
Most of these have had a bit of PP, but nothing more than levels and a tiny bit of sharpening, two are cropped slightly. All are sized.
Shot wide open at 2.5 or down half a stop, ISO 200.
I was also battling with a very strong breeze, so most of these are action shots as well!
I'm using a deep hood on this lens now and I don't get the infamous blue spot unless I really provoke it by having the sun in the picture.
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cooltouch
Joined: 15 Jan 2009
Posts: 9096
Location: Houston, Texas
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| Posted: Thu Jul 25, 2013 3:10 pm Post subject: |
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cooltouch wrote:
Great shots, Lloyd. I would expect no less from the Tamron 90 macro. I have the original version, the 52B, and it's one of my favorite lenses.
The infamous blue spot has been a non-issue for me, I guess because of the way I use it. Tell us about the deep hood your using. Is it a universal thread-on type? Maybe I should pick up one for my Tamron 90.
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Michael
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iangreenhalgh1
Joined: 18 Mar 2011
Posts: 15679
Expire: 2014-01-07
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| Posted: Thu Jul 25, 2013 3:15 pm Post subject: |
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iangreenhalgh1 wrote:
Great shots David, I especially like the poppies.
I've tried to buy this lens a few times, but it always attracts a lot of bids and a fairly high price.
After seeing these shots, I think I'll have to increase my budget and get one. 
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diddy
Joined: 28 Mar 2012
Posts: 288
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| Posted: Thu Jul 25, 2013 5:55 pm Post subject: |
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diddy wrote:
Beautiful pictures! It's indeed a wonderful lens ... one of the few that I kept. I also have to say that even though it offers "only" 1:2 macro, I never really found the need for a converter/extension tube (I am mostly taking pictures of flowers etc). |
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RAART
Joined: 10 Oct 2012
Posts: 497
Location: Oakville, ON, Canada
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| Posted: Fri Jul 26, 2013 3:37 am Post subject: |
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RAART wrote:
| cooltouch wrote: |
Great shots, Lloyd. I would expect no less from the Tamron 90 macro. I have the original version, the 52B, and it's one of my favorite lenses.
The infamous blue spot has been a non-issue for me, I guess because of the way I use it. Tell us about the deep hood your using. Is it a universal thread-on type? Maybe I should pick up one for my Tamron 90. |
I have the original hood which comes with 52bb version and if you want I can tell you on Saturday (need to get back home) how deep it is...
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Camera: Pentax K3
FOR SALE:
Do you have Pentax-A or F or FA primes and like to trade?
Here is the list what I have to trade/sale:
Primes: - Kiron 28mm f2 (C/Y); Vivitar 28mm f2.5 Auto (FD); Minolta MD 50mm f2 (incl. adapter to m4/3); Miranda Auto 35mm f2.8 EC (incl. adapter to m4/3); Miranda Auto 135mm f2.8 EC (incl. adapter to m4/3);
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IAZA
Joined: 16 Apr 2010
Posts: 2587
Location: Indonesia
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| Posted: Fri Jul 26, 2013 3:45 am Post subject: |
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IAZA wrote:
lovely pictures.
Same here Ian. This lens never cheap now.
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Lloydy
Joined: 02 Sep 2009
Posts: 7788
Location: Ironbridge. UK.
Expire: 2022-01-01
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| Posted: Fri Jul 26, 2013 7:38 am Post subject: |
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Lloydy wrote:
| IAZA wrote: |
lovely pictures.
Same here Ian. This lens never cheap now. |
I see them selling at the camera fair for about £80 now, there was a brand new, in the box, old stock one that sold for £100 a few weeks ago. I think there was about 4 or 5 on sale from different dealers and they all sold very quickly. I was lucky and got mine in a kit of OM 1 gear.
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LENSES & CAMERAS FOR SALE.....
I have loads of stuff that I have to get rid of, if you see me commenting about something I have got and you want one, ask me.
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Yahvel
Joined: 12 Oct 2012
Posts: 243
Location: USA
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| Posted: Fri Jul 26, 2013 10:40 pm Post subject: |
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Yahvel wrote:
amazing pictures |
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aspen
Joined: 15 Dec 2010
Posts: 307
Location: Maryland, USA
Expire: 2014-02-20
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| Posted: Sun Jul 28, 2013 4:29 am Post subject: |
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aspen wrote:
great shots! I can see why you like it. 
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hifisapi
Joined: 25 Sep 2012
Posts: 941
Location: USA
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| Posted: Sun Jul 28, 2013 8:32 am Post subject: |
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hifisapi wrote:
does anybody know the shooting conditions which cause the dreaded "hot spot"?
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ACQUIRED OVER 30 YEARS:
Cameras: DSLR=Pentax istDS FILM=Pentax SP, SP-F, ESII, SP1000, KX, K2
Lenses : Pentax M42 = Super Multi Coated Takumars 50/1.4 55/1.8 100/4-BELLOWS 500/4.5 1000/8 135-600/6.7 Pentax PK= SMC Pentax-Ks K17/4-FF Fisheye K18/3.5 K20/4 K24/3.5 K28/3.5 K28/2 K35/3.5 K35/2 K50/1.2 K50/1.4K 50/4-MACROK 55/1.8 K85/1.8 K100/4-MACRO K100/4-BELLOWS K105/2.8 K120/2.8 K135/3.5 K135/2.5 K150/4 K200/4 K400/5.6 K45-125/4K 85-210/4.5 Pentax PKM = SMC Pentax-M M40/2.8-Pancake M50/1.4 M75-150/4 M80-200/4.5 Pentax PKA= SMC Pentax-A A15/3.5 A50/2.8-MACRO A28/2 A35/2 A50/1.4 A135/2.8 A200/4 A*300/4 A35-105/3.5 A24-50/4 A70-210/4 TAMRON AD2= SP80-200/2.8 SP180/2.5 TOKINA AT-X PK= ATX28-85/3.5-4.5 ATX35-70/2.8 ATX60-120/2.8 ATX80-200/2.8 ATX100-300/4 ATX90/2.5 MACRO KIRON-LESTER DINE PK = 105/2.8-MACRO VIVITAR PK = 135/2.8-MACRO 28-85/4 NOFLEXAR AUTOBELLOWS PK = 60/4 105/4 |
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Lloydy
Joined: 02 Sep 2009
Posts: 7788
Location: Ironbridge. UK.
Expire: 2022-01-01
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| Posted: Sun Jul 28, 2013 12:12 pm Post subject: |
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Lloydy wrote:
| hifisapi wrote: |
| does anybody know the shooting conditions which cause the dreaded "hot spot"? |
Pretty much you have to have the sun or any very bright light in the picture, apparently the cause is the flat rear element of the lens reflecting the sensor, or reflecting on the sensor. It's very much a non event for me, I can usually change the composition slightly to avoid the blue spot. Certainly on the NEX I can see it as it happens on the screen so it's easy to avoid.
Here's two pictures showing what I mean, the first has the sun directly in the frame and the spot is clearly visible. The second I moved very slightly and got the sun behind the trees on the horizon, it's still very bright but the blue spot is minimal, and some PP will fix that. The reputation of the blue spot is really not a reason to not get this lens.
_________________
LENSES & CAMERAS FOR SALE.....
I have loads of stuff that I have to get rid of, if you see me commenting about something I have got and you want one, ask me.
My Flickr https://www.flickr.com/photos/mudplugga/
My ipernity -
http://www.ipernity.com/home/294337 |
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cooltouch
Joined: 15 Jan 2009
Posts: 9096
Location: Houston, Texas
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| Posted: Sun Jul 28, 2013 1:51 pm Post subject: |
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cooltouch wrote:
There was a discussion about the Tamron's infamous blue spot over at the other manual focus website, which also shows some good examples, with explanations as to how the photographer produced it:
http://forum.manualfocus.org/viewtopic.php?id=9663
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My Gear List: http://michaelmcbroom.com/photo/gear.html
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dnas
Joined: 14 Nov 2008
Posts: 488
Location: Japan
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| Posted: Mon Jul 29, 2013 12:19 am Post subject: |
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dnas wrote:
Here are some tests I did a while back:
The spot is a reflection from the flat back element. The size and brightness is dependent on the aperture, so smaller aperture has a smaller brighter dot.(e.g. F32)
At f11, it is faint, so I'd say the dot probably disappears completely by f5.6
My rule of thumb: When shooting in a back light situation, use F5.6 or faster.
At F32
At F16
At F11
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sammo
Joined: 04 Jan 2012
Posts: 223
Location: CH and SI
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| Posted: Mon Jul 29, 2013 3:41 pm Post subject: |
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sammo wrote:
I never observed the blue spot...maybe because I don't stop it down more than f/8.
I love that lens...that photo is at MFD at f/8 on a full frame camera, it's just sharp sharp sharp
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