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Thread started 21 Sep 2010 (Tuesday) 04:37
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Sigma 120-300 f/2.8 EX OS

 
Pax2You
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Mar 29, 2015 21:30 |  #5356

Jelloneck that's nice work with the Cooper's hawk and baseball. Great job with the wedding Talley! Gabe, you really are a bird whisperer :)
Took some Red-tail hawk photos but they aren't on the computer yet. These are uncropped with the bare lens and 65mm of extension tubes. EXIF is intact.

A copperhead blending in

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Coming out for a look

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Panasonic G9, Panaleica 100-400, Samyang 12mm F2 NCS CS, Sigma APO 2x DG EX TC, Tiffen aXent ND 3.0 (ND1000) filter, Olympus OMD E-M5, Oly 14-42mm, Oly 12-50mm, ZEQ25gt Mount, plus a few other lenses, extension tubes, and general mish-mash

  
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Biffbradford
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Mar 30, 2015 21:07 |  #5357

Just got my copy for a good price. Unfortunately, it won't focus at infinity when at 300mm, so I'll have to send it in somewhere and hopefully get that corrected. However, short of inifinity, it does focus quite quickly!

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Mar 31, 2015 20:08 |  #5358

Sport model with Sigma 2x TC

Handheld f5.6 1/2000 ISO 800

At this shutter speed, I should have turned off the OS.

Blue Hour Moon

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Pax2You
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Apr 03, 2015 13:02 as a reply to  @ M_Six's post |  #5359

Nice handheld moon M_Six


Panasonic G9, Panaleica 100-400, Samyang 12mm F2 NCS CS, Sigma APO 2x DG EX TC, Tiffen aXent ND 3.0 (ND1000) filter, Olympus OMD E-M5, Oly 14-42mm, Oly 12-50mm, ZEQ25gt Mount, plus a few other lenses, extension tubes, and general mish-mash

  
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Jelloneck
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Apr 05, 2015 22:41 |  #5360

A few birds with the tc2001 2x teleconverter. The baseball images were just the lens no tc.

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Pax2You
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Post edited over 4 years ago by Pax2You.
     
Apr 07, 2015 18:48 |  #5361

Last shot is my favorite Jelloneck. Had the 2x TC on Easter morning when I took the following. No noise reduction, sharpening, or color adjustments. Exif intact.


IMAGE: https://farm8.staticflickr.com/7653/16449438724_aceaf39770_b.jpg

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Jelloneck
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Apr 07, 2015 20:52 as a reply to  @ Pax2You's post |  #5362

Thanks, it's one of my favorites from the day.

Very cool...is that a sunrise or sunset?


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Pax2You
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Apr 07, 2015 21:01 as a reply to  @ Jelloneck's post |  #5363

Sunrise


Panasonic G9, Panaleica 100-400, Samyang 12mm F2 NCS CS, Sigma APO 2x DG EX TC, Tiffen aXent ND 3.0 (ND1000) filter, Olympus OMD E-M5, Oly 14-42mm, Oly 12-50mm, ZEQ25gt Mount, plus a few other lenses, extension tubes, and general mish-mash

  
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gabebalazs
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Apr 07, 2015 22:27 |  #5364

Yeah, I really like it too!!


SONY A7RIII | SONY A7III | SONY RX10 IV | SONY RX100 | 24-70 2.8 GM | 70-200 2.8 GM | 16-35 F/4 | PZ 18-105 F/4 | FE 85 1.8 | FE 28-70 | SIGMA 35 1.4 ART | SIGMA 150-600 C | ROKINON 14 2.8
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doofuss
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Apr 17, 2015 00:28 |  #5365

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Canon 1dx & 7d gripped, Canon EF 100-400mm f/4.5-5.6 L, Sigma 120-300 f2.8 (sports), Sigma 70-200mm f2.8, Sigma 24-70 f2.8, Canon EFS 17-55mm f2.8, , Canon EF 50mm f/1.8, Sigma 8-16mm f4.5 - 5.6, Sigma 2 x teleconverter, Canon 600EX-RT Speedlight.

  
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Pax2You
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Apr 17, 2015 11:36 |  #5366

Beautiful Lorikeet John! I wish I could head back that way. Australia is amazing.


Panasonic G9, Panaleica 100-400, Samyang 12mm F2 NCS CS, Sigma APO 2x DG EX TC, Tiffen aXent ND 3.0 (ND1000) filter, Olympus OMD E-M5, Oly 14-42mm, Oly 12-50mm, ZEQ25gt Mount, plus a few other lenses, extension tubes, and general mish-mash

  
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CyberDyneSystems
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Apr 19, 2015 00:27 |  #5367

No photos to share, just some info on T-Cons and bodies.

I decided to try the 120-300mm with the Canon 2X for 600mm @ f/5.6
I was initially shooting with the 7D2

The results came out pretty good. Definitely useable, some very sharp. AF was not very confident, but again useable. It's a combo I would try in the field if the situation demanded.

This caused to me get a little crazy and try something stupid. Arguably, the lens should AF with any body capable of f/8 AF with BOTH the 2X and 1.4 mounted.
It just so happens that I have 3 bodies that will do that, so I decided to stack them and see how we fared.

The resulting optic is 840mm at the long end f/8 Wide open.

On all three bodies the second T-Con was ignored by exif, it was "non reporting" so in camera the aperture would report as large as f/5.6, but it was not really there. Exif still shows a 600mm. Once I stopped down to f/11 that of course showed in the exif correctly.

Since cameras could not detect that it was f/8 they did not limit me to center AF point only.

The 7D2 did badly. AF would not settle. I tried limiting to center AF point only but this made no difference. It tried, but it just was unusably erratic.
This was a failure IMHO with the far too erratic AF that would no lock.

Next was the 1D4 which I assumed would be the best, because hey, may be old, but so is the lens and T-Cons and well, it's a 1D!

In fact, I saw little to no improvement over the 7D2. Same jittery AF jumping.

Last up, the 5D3.
Surprise surprise, the 5D3 was actually useable! The images were most sharply in focus, and much less jumping around to get there.

I doubt I'd ever stack t-cons with this lens in the field, but with the 5D3 I would consider it a workable solution.

As for the lens itself, I feel that it performed remarkably well optically. Some of the images ended up with a bit of a washed out look, but on the whole stopped down to f/11 (from an actual f/8ish wide open) the image quality was not only useable, but quite good. Much better than I had expected from t-con stacked on a zoom. Manual focus could provide sharp results with all three cameras..


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gabebalazs
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Apr 19, 2015 07:09 as a reply to  @ CyberDyneSystems's post |  #5368

Good to see you're experimenting with the lens :)

I think I only used stacked TCs with that lens a couple times, even though my 70D in live view focused relatively fast and with no hiccups with the 2x + 1.4x attached. I also stacked 2 2x TCs to shoot the moon and that worked pretty well.

But mostly I was using it it with either the 2x (I'd say 70% of the time) or the 1.4x (about 20% of the time). I rarely used just the bare lens. Heck, I even tried once without a body, but the results were poor ;) :D (just kidding of course)


SONY A7RIII | SONY A7III | SONY RX10 IV | SONY RX100 | 24-70 2.8 GM | 70-200 2.8 GM | 16-35 F/4 | PZ 18-105 F/4 | FE 85 1.8 | FE 28-70 | SIGMA 35 1.4 ART | SIGMA 150-600 C | ROKINON 14 2.8
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CyberDyneSystems
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Apr 19, 2015 13:57 |  #5369

For my own use, I am afraid to say that I already have the long end covered rather well, so I got this lens for use mostly bare, when light is scarce and speed is required. It will be used as a Canon 300mm f/2.8 prime would be used by someone that also has the 500mm or 600mm, with the added advantage of the zoom.

That said, it was cool to see how it takes the T-cons, and I can certainly see the times where 240-600mm zoom would come in very handy. I suspect this lens will join me if I get the chance for another trip to Africa. Loved the 500mm for about 85% of the time, wished it could zoom out the other 15%!


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DreDaze
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Apr 19, 2015 14:40 |  #5370

first attempt at testing it with the peregrines i shoot...i dropped my hood over a cliff, and i think it led to some more ghosting than i'm used to...but i'm still hopeful it will serve me well...with the 2X...landscape shots are bare...side note, anyone with the sport version able to tell me if a magnet sticks to the hood(i don't expect it to) but with the hood backordered, i'm contemplating a rescue mission :)

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