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A type of lens that uses mirrors for some of its optical elements.

learn more… | top users | synonyms

1
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0answers
64 views

Do I need to calibrate my mirror lens?

First off, I'm sorry for the slide-show, but I've had this lens a long time now and I'm fed up with it. A while back I tried adjusting this ring to either extreme and couldn't see a difference. No ...
0
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1answer
129 views

Mirror lens for Nikon D5200 camera [duplicate]

What is a good mirror lens for my Nikon D5200? I love taking wildlife pictures and need a better telephoto lens. I am using a Nikkor 55-300 AF and it works well, but I need about twice that power. I ...
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1answer
78 views

The LCD is blank with my 500mm/F8 Nikon mirror lens on my Nikon D200 when I shoot

When I use my Nikon 500 MM mirror lense I do not get a view of my subject through the LCD, I have to use the viewfinder. I would prefer to see the image via the LCD on my D200 before I take the photo ...
8
votes
1answer
214 views

What kind of mirror in a mirror lens?

A normal mirror, that we see for example in an elevator, is a glass sheet with thin metal coating on the backside, so light reflecting from the metal surface goes first thru the glass. Metal mirror ...
7
votes
3answers
975 views

Co-linear dual tripod mount for huge lenses

I am about to buy a fun super-zoom mirror lens which is so long it has its own tripod mount. To protect the camera, I am wondering if there is a mount accessory which will allow for two items to be ...
11
votes
1answer
471 views

Why do mirror lenses have poor contrast?

I was reading this question on mirror lenses and the answers taught me a lot about mirror lenses. It is pretty obvious to me why they have donut bokeh (central obstruction) and why they are fixed ...
15
votes
5answers
25k views

Are mirror lenses good for wildlife photography in daylight?

I've recently seen these Rokinon/Opteka mirror lens with whooping focal length (like 500mm, 600mm, 800mm, 1000mm) at a cheap price. And I have seen some of their same pictures in Flickr and vendor ...
6
votes
1answer
1k views

Are mirror lenses appropriate for DSLR astrophotography?

There's a whole host of inexpensive mirror lenses available in the 500 mm - 800 mm range (this for example). They have slow max apertures (f/5.6-8) and a donut shaped bokeh (not a problem ...
8
votes
3answers
1k views

Cameras using mirrors instead of lenses?

In astronomy, telescopes are most commonly built with mirrors, but there are refractors using lenses. All cameras I know of for Earthly purposes — portraits, landscapes, etc. — use only lenses, not ...