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cheap telephoto lens
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Jan 10, 2019 14:49:29   #
scooter1 (a regular here)
 
I was photographing an eagle off my back deck the other day and got some good shots with a 75 to 300. I wanted a closer up shot so I put the telephoto lens, a cheap Opteka, on and all I got was an extremely over exposed shot. Tried everything to darken it up but being an amateur couldn't get it done. Any clues? Shooting with a canon rebel T5. The lens was in a bundle I bought with the camera. Any hints would be greatly appreciated. I'm guessing the telephoto maybe takes in more light? Anyway thanks for any help

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Jan 10, 2019 14:59:35   #
rdubreuil
 
scooter1 wrote:
I was photographing an eagle off my back deck the other day and got some good shots with a 75 to 300. I wanted a closer up shot so I put the telephoto lens, a cheap Opteka, on and all I got was an extremely over exposed shot. Tried everything to darken it up but being an amateur couldn't get it done. Any clues? Shooting with a canon rebel T5. The lens was in a bundle I bought with the camera. Any hints would be greatly appreciated. I'm guessing the telephoto maybe takes in more light? Anyway thanks for any help
I was photographing an eagle off my back deck the ... (show quote)


If you post a sample image and check store original you'll get better input, otherwise we can only guess.

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Jan 10, 2019 15:09:26   #
Longshadow (a regular here)
 
Manual lens?

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Jan 10, 2019 15:15:27   #
RWR (a regular here)
 
Posting a picture won’t prove anything we don’t already know. Next time, make sure your meter is zeroed before pressing the shutter button.

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Jan 10, 2019 15:32:41   #
CHG_CANON (a regular here)
 
People who have the skills and a willingness to provide actionable tips in response to a request for help, they need an actual image as the basis for the discussion and analysis. People who don't have those skills nor a desire to be helpful, they should probably just keep to the many other active posts where that type of input is more appreciated ....

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Jan 10, 2019 16:41:49   #
OutBack
 
There is almost nothing the aperture can't affect when it comes to light.

Some times I leave the ISO to high from my last set or shoot in manual when I think it's in auto or A S mode. You know; overexposed. I have given up at times because I could not make it work and then I see it was my fault...

If it is overexposed it is and that is that; to me anyway. And that comes from experience, I'm almost to old.

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Jan 11, 2019 06:47:21   #
1Feathercrest
 
OutBack wrote:
There is almost nothing the aperture can't affect when it comes to light.

Some times I leave the ISO to high from my last set or shoot in manual when I think it's in auto or A S mode. You know; overexposed. I have given up at times because I could not make it work and then I see it was my fault...

If it is overexposed it is and that is that; to me anyway. And that comes from experience, I'm almost to old.


I am almost [too] old. I am on the path between young and old.

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Jan 11, 2019 06:51:29   #
1Feathercrest
 
scooter1 wrote:
I was photographing an eagle off my back deck the other day and got some good shots with a 75 to 300. I wanted a closer up shot so I put the telephoto lens, a cheap Opteka, on and all I got was an extremely over exposed shot. Tried everything to darken it up but being an amateur couldn't get it done. Any clues? Shooting with a canon rebel T5. The lens was in a bundle I bought with the camera. Any hints would be greatly appreciated. I'm guessing the telephoto maybe takes in more light? Anyway thanks for any help
I was photographing an eagle off my back deck the ... (show quote)


Has anyone had experience with, or even heard of a 75/300 SAKKAR lens?

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Jan 11, 2019 07:30:48   #
chikid68
 
The cheap Opteka lens generally has a fixed aperture of 8.0 but also is not coated so while the aperture is smaller than the 75-300 the coating on the 75-300 reduces the light to a degree.
Also the Opteka being fully a manual lens will not provide any information to the camera which causes the camera to read it as f0. 0 and provides the light amount for such an open aperture which will overexpose the image.
That lens will only work properly in full manual mode.

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Jan 11, 2019 09:03:42   #
imagemeister (a regular here)
 
chikid68 wrote:

That lens will only work properly in full manual mode.


- and by someone who knows how to use the manual mode

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Jan 11, 2019 09:13:17   #
foxfirerodandgun
 
CHG_CANON wrote:
People who have the skills and a willingness to provide actionable tips in response to a request for help, they need an actual image as the basis for the discussion and analysis. People who don't have those skills nor a desire to be helpful, they should probably just keep to the many other active posts where that type of input is more appreciated ....



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Jan 11, 2019 09:19:31   #
twowindsbear
 
How to cure an over exposed image:

Reduce the exposure by - using a smaller jens opening - using a shorter exposure time - using a lower ISO . . . or, some combination of these suggestions. Another option would be to use a ND filter.

Easy-peasy

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Jan 11, 2019 09:29:41   #
Cabriodad
 
Are you using that 500mm lens you can find everywhere for $20? If so, the ring that shows the f stop doesn’t close the iris, it just establishes the limit when you use the other ring to manually close the iris.

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Jan 11, 2019 09:34:38   #
wapiti
 
Good telephoto lens don't come cheap. I would look at used lenses, perhaps manual focus ones for some good buys.

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Jan 11, 2019 09:42:09   #
camerapapi (a regular here)
 
As has been said, it is very difficult to give you good advise without having a sample of the problem. Do you understand exposure?
Even a cheap tele will do a decent job if the right exposure is used.

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