20 Most Recent Tamron 75-300mm f/4.0-5.6 LD Lens for Nikon AF Questions & Answers

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If you had a compact camera it would say 10x zoom what is the equivilent in a 70mm -300mm tamron

A 35-80 mm lens is 2.3X zoom. Divide 80 by 35 and you'll get the result.It is usually better to know what the focal length of a lens in "35 mm equivalent" is and judge by that, rather than relying on the "X" power of the lens. For instance, most point and shoot cameras start at about 35 mm and have either a 3X or 4X zoom. This would make it a 35-105 or a 35-140. I've seen some that start at 28 mm, though. A 3X starting at 28 mm is 28-84 and a 4X is 28-112. Neither one is a particularly strong telephoto lens and the 4X is just about the same as the 3X that starts out at 35 mm.It's also important to realize that tradition dictates that lens focal lengths are usually expressed in terms of "35 mm equivalent," where "35 mm" refers to a 35 mm film camera. This is because of the relation between the sensor size and the actual focal length of the lens and the resultant angle of view of the lens.I have one point & shoot that is actually a 5.8-24 mm zoom. This is a 4X zoom. The 35 mm equivalent is 28-116 mm. The sensor is 7.2x5.3 mm. (1/1.8") (And I wish I knew someone who could explain how the heck they came up with sensor size terminology!)I have another point & shoot that is actually a 5.7-17.1 mm zoom. This is a 3X zoom. The 35 mm equivalent is 34-102 mm. "How could a shorter focal length give a longer 35 mm equivalent?" you might ask. It's because the sensor is only about 5x4 mm. (1/2.5")I have a few Nikon DSLR's and - thankfully - they all have the same size sensor. They all have a "lens factor" of 1.5. This means that you just multiply the actual focal length of the lens to get the 35 mm equivalent and then you can make comparisons accurately from camera-to-camera. Most Canon's, for instance, have a lens factor of 1.6. On a Nikon DSLR, a 28 mm lens is the "35 mm equivalent" of a 42 mm lens. On most Canon DSLR's, the same 28 mm lens is the equivalent of a 45 mm lens.These example are just to show you how freaking confusing it can all become if you try to make sense of the "X" power of a zoom lens.Bottom line...Check the 35 mm equivalent specifications for the lens. This way, you will be leveling the field and comparing apples to apples. More or less.
7/10/2012 3:20:59 PM • Tamron 75-300mm... • Answered on Jul 10, 2012
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What magnification is a 75-300mm lens (10_20_30 times ???)

This lens has a zoom ratio of 4 :1 or 4 times.

Basically 75mm x 2 = 150mm
150mm x 2 = 300mm
I hope that helps,
Ian
1/11/2012 6:21:43 PM • Tamron 75-300mm... • Answered on Jan 11, 2012
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Lens will not auto focus wit my Nikon D40x

That lens doesn't have an internal focusing motor and thus will not autofocus with the D40x. Nothing is broken.
12/22/2009 8:48:10 PM • Tamron 75-300mm... • Answered on Dec 22, 2009
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When doing long exposures with the Tamron 17-28 how do I lock focus before putting my nd filter on?

Set up focus point using autofocus, then set camera to manual focus before attaching filter, and be careful not to move focusing ring.
1/22/2020 11:01:07 AM • Tamron Cameras • Answered on Jan 22, 2020
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I cannot manually focus my Tamron 79-200mm 1:2.8 lens

First, I'm not a TAMRON Tech. * Check your warranty and call for service. * Ah, Found this on you tube. (VERY Technical!) https://www.youtube.com/watch?v=o9dvQmVAhK0 * Strongly suggest you have this lens serviced. Aloha, ukeboy57
7/2/2018 12:54:35 AM • Tamron Cameras • Answered on Jul 02, 2018
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I have seen 2mm wide fungal spot just inside first front element of Tamron 150 - 600 mm lens. Can any one tell me how to remove it?

You'll need to send it to a lens repair service. Do not attempt to disassemble the lens yourself; you'll only make the problem worse and may damage the lens beyond repair.
4/13/2018 9:59:49 PM • Tamron Cameras • Answered on Apr 13, 2018
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Greeting, I have a D200 and about to use the Tamron 200-400 Telephoto lens for sports. How do I setup my settings to get best shots!

Use the settings that will give you the best exposure / shutter speed / focus
8/27/2017 12:06:25 PM • Tamron Cameras • Answered on Aug 27, 2017
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I sent my canon 40D

This is a bit off the wall, I know, but have you contemplated taking the drastic step of getting the lens mended ?
5/29/2017 10:23:15 AM • Tamron Cameras • Answered on May 29, 2017
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My Tamron 1.4X tele-converter stopped autofocing.

Tele convertors on their own do not focus - that is achieved by the lens. Are the lens contacts clean and correctly aligned with those in the camera ?
5/15/2017 9:56:06 PM • Tamron Cameras • Answered on May 15, 2017
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My tamron lens 18-270mm pzd is flickering and having difficulty in focusing. Where can I get it fixed.

Go to the tamron site and find the nearest repair centre to you location
10/29/2016 8:19:21 PM • Tamron Cameras • Answered on Oct 29, 2016
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Good am i have a tamron lens thats need to be check and repair the rubber grip pls. help me to find a service center or accredited service center ng tamron

This is the UK service centre http://www.tamron.eu/uk/service/repair-service/
9/2/2015 9:10:27 PM • Tamron Cameras • Answered on Sep 02, 2015
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I have a tamron lens need ti be clean and replace the rubber grip pls. Give a a service center or accredited service center with address here in manila thnx

After doing a Google search this link may help you: https://www.google.com/search?client=safari&rls=en&q=tamron+lens+repair&ie=UTF-8&oe=UTF-8
2/19/2015 1:41:36 AM • Tamron Cameras • Answered on Feb 19, 2015
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