Question about Rokinon 500mm f63 Mirror Lens for Nikon Mount

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Fungus on Rokinon 500mm mirror lens

Fungus has started building up on the inside of front lens. Please let me is it possible to open and how to clean it.

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Do you have a lens collimator and other equipment necessary to ensure proper alignment when reassembling the lens? If not, take it to a good camera shop and have a properly trained and equipped professional do the job.

Posted on Jan 15, 2014

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Posted on Jan 02, 2017

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How to clean sigma 500mm 4.5 fungus


Do you have a lens collimator and other gear needed to ensure proper alignment when reassembling the lens? If not, try this. Put the lens inside a window where it receives directly sunlight. Yes, you'll probably have to move the lens every few hours to it continues to receive direct sunlight. Do this for a day or two. If the fungus persists then take the lens to a reputable camera shop and have a properly trained and equipped professional clean the lens.

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Are there two nested tubes involved? Male to female threading?

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This will have to be sent in for repair, no other way around it. Call a camera repair facility first before you send it in to get a quote, many times a new or used lens is cheeper. Don't forget to check Ebay. Good-luck

Nov 12, 2013 | Rokinon 500mm f63 Mirror Lens for Nikon...

1 Answer

Error 99 on Canon EOS 350D


Are you trying to waste people's time here, or what?
Rokinon lens, Nikon mount, then mixing that with a Canon EOS 350D???

Nov 12, 2013 | Rokinon 500mm f63 Mirror Lens for Nikon...

1 Answer

How to clean the fungus off a Mirror on the inside of a 500mm Mirror lens


Unless you have a lens collimator and other gear needed to make sure you get the lens and mirrors aligned properly when you put it back together, don't even think about taking it apart. Take it to a reputable camera shop and have a trained professional do it.

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Installing the Rokinon 500mm/1000mm f/8.0 Mirror Lens for Nikon


This lens does not have the electronics to communicate with the camera. You have to use the camera on the Manual exposure mode (turn the mode dial to M) and set the aperture and shutter speed yourself. You will not get any metering help from the camera's light meter, but you can use the histogram to fine-tune your exposure. You also have to focus the camera manually.

You'll want to use a tripod or other support, as the lens will magnify every bit of camera shake.

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How to attach filters to a Rokinon 500mm/ 1000mm Mirror Lens for Canon EOS


For the Rokinon 500mm F/6.3 lens, you can either attach 95mm filters to the front or 34mm filters to the rear of the lens.

For the Rokinon 500mm F/8 lens, you can only attach 30.5mm filters to the rear of the lens.

To attach a filter to the rear of the lens, remove the lens from the camera (or take the rear lens cap off). There's a threaded screw mount just inside of where the lens fits onto the camera. Take your filter and screw it into place. Hand tighten until it's snug and doesn't project in the way---remember, you're going to want to take it off again later.

Jan 15, 2011 | Rokinon 500mm f63 Mirror Lens for Nikon...

1 Answer

How do I mount the 500mm mirror lens filter(s) on my new Rokinon lens?


The 30.5mm rear filters fit in the rear of the lens. If you remove the T-mount adapter, you should see the threads which take the filter.

Jun 20, 2010 | Rokinon 500mm f63 Mirror Lens for Nikon...

1 Answer

I have 500mm mirror len with canon EOS mount. Can


Maybe you're trying to get it to focus on something too close.

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