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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 02 May 2016 (Monday) 12:53
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Does anyone have a problem with their Tamron 85mm 1.8 VC?

 
Gel
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Post edited over 2 years ago by Gel. (2 edits in all)
     
May 02, 2016 12:53 |  #1

I took delivery of this lens a week ago but I'm sending it back.

The lens itself when correctly exposed pulls out rendering extremely similar to the 85L ii with zero fringing in the OOF highlights - but the difference in metered exposure is massive across the other Canon 85's.

Attached is an example, Canon 5DSr on a tripod, all I did was change lenses. The ISO was set at 100, AV mode at F2, the camera did the rest with the metering mode not making any difference (Average or centre weighted).

I'm really reaching out and asking other users of this lens if I had a dud or if it's just how the lens behaves. As it is currently it's unusable if it's about 1 stop out.

These are all SOOC the portrait image was taken on a blue sky day, consistent lighting and the Tamron is on the left, the 85mm USM 1.8 on the right.


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flowrider
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May 02, 2016 13:08 |  #2

It looks as though these were all natural light which of course is variable. I think you need to do a test with controlled lighting just to rule out changing light. The slightly different framing because the focal lengths are not exactly the same could also affect the metering. Just throwing that out there.


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Dlee13
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May 08, 2016 06:58 |  #3

I've newer owned/used a Tamron lens but I know with the Sigma lenses I've owned (50mm and 85mm EX), they do tend to underexpose by roughly 2/3rds of a stop.


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Bleo
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Sep 06, 2017 16:03 |  #4

Just received this lens for new canon 6d ii the exposure meter is all over the place in video live view mode and auto ISO auto exposure not working any thoughts before I send in to tamron




  
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Dlee13
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Sep 06, 2017 16:12 as a reply to  @ Bleo's post |  #5

Are you having issues with any other lenses?


Sony Alpha A7III ~ Canon EOS M5 ~ Canon EF-M 22mm f/2 ~ Canon EF 35mm f2 IS
Canon EF 16-35mm f4L IS ~ Canon EF 100mm f2.8L IS USM ~
Sigma MC-11 ~ Sony FE 85mm f/1.8 ~ Sigma 35mm f/1.4 Art

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Does anyone have a problem with their Tamron 85mm 1.8 VC?
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