Tamron 90mm SP BBAR Problem

normhead · 09-13-2014, 06:14 PM

Or use the "polarize" filter in your PP program.

stevebrot · 09-14-2014, 12:14 AM

Originally posted by normhead

Or use the "polarize" filter in your PP program.

That one is new to me. What is it and what does it do?

Steve

---------- Post added 09-14-14 at 12:20 AM ----------

Originally posted by old4570

Tamron SP F System 2x Tele - Converter For P/K BBAR MC

It probably does not make any difference, but that is not the 2x converter that was made for your lens. The matched converter is Adaptall-2 on both ends.

Steve

old4570 · 09-14-2014, 01:21 AM

Originally posted by stevebrot

That one is new to me. What is it and what does it do?

Steve

---------- Post added 09-14-14 at 12:20 AM ----------

It probably does not make any difference, but that is not the 2x converter that was made for your lens. The matched converter is Adaptall-2 on both ends.

Steve

I know that : But it was the only Tamron adapter I have ...

But they sell for $$ mucho too much ... ( adapt all 2 to make 1:1 )

This lens is resting for now , ill see about getting a Nikon adapt all mount for it , try it on my D3200

vonBaloney · 09-14-2014, 06:58 AM

You'll have the same problem with any digital until someone comes up with a non-reflective sensor. The teleconverter gets rid of it because now you've got a different rear element facing the body. It should only show up under certain lighting conditions and smaller apertures (I would think). You can get the 01F Adaptall TC for pretty cheap, in fact I've got an extra one I need to list for sale...

normhead · 09-14-2014, 07:16 AM

Originally posted by stevebrot

That one is new to me. What is it and what does it do?

Steve

Exactly, I don't know. but we use it on foggy or atmospheric mornings when there's bit too much atmosphere and it cleans up the shots quite nicely. It's in Apple Aperture, I don't know what it's equivalent would be in LR or Photoshop. It just seems to be a filter that gets rid of light reflected at odd angles, at least to a degree...

stevebrot · 09-14-2014, 09:10 AM

Originally posted by normhead

It's in Apple Aperture, I don't know what it's equivalent would be in LR or Photoshop.

That sounds like an interesting feature. LR has nothing similar, though there might be a plug-in somewhere.

Steve

vonBaloney · 09-14-2014, 01:35 PM

Originally posted by stevebrot

That sounds like an interesting feature. LR has nothing similar, though there might be a plug-in somewhere.

I think it is similar to the clarity slider in LR...

09-14-2014, 01:21 AM	#18
old4570 Veteran Member Join Date: Feb 2013 Location: Melbourne Photos: Albums Posts: 2,551 Original Poster	I know that Originally posted by stevebrot That one is new to me. What is it and what does it do? Steve ---------- Post added 09-14-14 at 12:20 AM ---------- It probably does not make any difference, but that is not the 2x converter that was made for your lens. The matched converter is Adaptall-2 on both ends. Steve I know that : But it was the only Tamron adapter I have ... But they sell for $$ mucho too much ... ( adapt all 2 to make 1:1 ) This lens is resting for now , ill see about getting a Nikon adapt all mount for it , try it on my D3200

09-14-2014, 07:16 AM	#20
normhead Pentaxian Join Date: Jun 2007 Location: Near Algonquin Park Photos: Gallery \| Albums Posts: 40,451	Originally posted by stevebrot That one is new to me. What is it and what does it do? Steve Exactly, I don't know. but we use it on foggy or atmospheric mornings when there's bit too much atmosphere and it cleans up the shots quite nicely. It's in Apple Aperture, I don't know what it's equivalent would be in LR or Photoshop. It just seems to be a filter that gets rid of light reflected at odd angles, at least to a degree... Last edited by normhead; 09-14-2014 at 07:26 AM.

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09-13-2014, 06:14 PM	#16
normhead Pentaxian Join Date: Jun 2007 Location: Near Algonquin Park Photos: Gallery \| Albums Posts: 40,451	Or use the "polarize" filter in your PP program.

09-14-2014, 12:14 AM	#17
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by normhead Or use the "polarize" filter in your PP program. That one is new to me. What is it and what does it do? Steve ---------- Post added 09-14-14 at 12:20 AM ---------- Originally posted by old4570 Tamron SP F System 2x Tele - Converter For P/K BBAR MC It probably does not make any difference, but that is not the 2x converter that was made for your lens. The matched converter is Adaptall-2 on both ends. Steve

09-14-2014, 06:58 AM	#19
vonBaloney Pentaxian Join Date: Oct 2011 Location: Albuquerque, NM Posts: 6,029	You'll have the same problem with any digital until someone comes up with a non-reflective sensor. The teleconverter gets rid of it because now you've got a different rear element facing the body. It should only show up under certain lighting conditions and smaller apertures (I would think). You can get the 01F Adaptall TC for pretty cheap, in fact I've got an extra one I need to list for sale...

09-14-2014, 09:10 AM	#21
stevebrot Otis Memorial Pentaxian Join Date: Mar 2007 Location: Vancouver (USA) Photos: Gallery \| Albums Posts: 42,007	Originally posted by normhead It's in Apple Aperture, I don't know what it's equivalent would be in LR or Photoshop. That sounds like an interesting feature. LR has nothing similar, though there might be a plug-in somewhere. Steve

09-14-2014, 01:35 PM	#22
vonBaloney Pentaxian Join Date: Oct 2011 Location: Albuquerque, NM Posts: 6,029	Originally posted by stevebrot That sounds like an interesting feature. LR has nothing similar, though there might be a plug-in somewhere. I think it is similar to the clarity slider in LR...