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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 12 Feb 2009 (Thursday) 08:15
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What kind of glass would you take... if you were going to the moon?

 
Synenergy52
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Feb 12, 2009 12:22 |  #16
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I hear Ken Rockwell writes his website from the moon.


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Double ­ Negative
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Feb 12, 2009 12:27 |  #17

My bag of Zeiss ZMs. Forget the Canon L lenses. Sorry. ;)

(They're overall better and much, much smaller)

Synenergy52 wrote in post #7311478 (external link)
I hear Ken Rockwell writes his website from the moon.

I heard he snorts moon dust before he writes his "stuff."


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Karl ­ Johnston
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Feb 12, 2009 12:29 |  #18
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A hubble telescope :D


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Double ­ Negative
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Feb 12, 2009 12:43 |  #19

You wouldn't be able to focus the Hubble on such a short distance, and it's already in space - why take it to the moon? :rolleyes:


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NinetyEight
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Feb 12, 2009 12:45 |  #20

Double Negative wrote in post #7311609 (external link)
You wouldn't be able to focus the Hubble on such a short distance, and it's already in space - why take it to the moon? :rolleyes:

Yeh, some people come up with the most stupid answers sometimes...

:lol: :lol: :lol:


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sebr
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Feb 12, 2009 12:50 |  #21

I will take a Gigapan with a G10 specially adapted for moon conditions.
http://www.sti.nasa.go​v/tto/Spinoff2008/ch_2​.html (external link)


Sebastien
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mrkgoo
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Feb 12, 2009 12:50 |  #22

I wonder how big the earth looks from the moon...




  
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Double ­ Negative
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Feb 12, 2009 12:53 |  #23

mrkgoo wrote in post #7311649 (external link)
I wonder how big the earth looks from the moon...

Seriously? A little bigger than the moon looks from Earth. :rolleyes:

http://images.google.c​om …q=earthrise%20f​rom%20moon (external link)


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mrkgoo
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Feb 12, 2009 13:02 |  #24

Double Negative wrote in post #7311666 (external link)
Seriously? A little bigger than the moon looks from Earth. :rolleyes:

http://images.google.c​om …q=earthrise%20f​rom%20moon (external link)

I kind of meant in person. All the images of the moon from earth appear to change depending on what reference points are in the image - you know, like using a tele of the moon on the horizon with trees, or with a wide angle, and so on.

I just wonder what it's 'really' like. I realise the distance between moon and earth is so vast compared to the size of either (http://www.freemars.or​g/jeff/planets/Luna/Lu​na.htm (external link)), but I was just curious if the difference in the size of the earth was noticeable.

I'm sorry I haven't been to the moon, so I don't really know. (Nor have I really looked up on the subject - to be honest, I never even thought of it until this thread)




  
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oaktree
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Feb 12, 2009 13:13 |  #25

JeffreyG wrote in post #7310438 (external link)
Something that works in a vacuum and with extreme temperature variation. I think I would take a Hasseblad because:
1) It is the only camera I know works on the moon from previous demonstration.
2) I want to shoot color negative or B&W negative film on the moon because the dynamic range is going to be enormous. Forget digital there.

+1. An off the shelf Canon would probably freeze up. The Hasseblad was also probably specially built for the conditions it had to endure.

I assume a digital camera would do better than a film camera since the Mars rovers all use digital equipment. But, again, all the equipment needs to be specially built to withstand the extreme conditions.


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Alexei ­ TND
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Feb 12, 2009 13:35 |  #26

one of them gigapixel cams :D


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sebr
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Feb 12, 2009 13:43 |  #27

oaktree wrote in post #7311802 (external link)
An off the shelf Canon would probably freeze up. The Hasseblad was also probably specially built for the conditions it had to endure.

The modified Hasselblad that was taken on Apollo 11 used different lubricants, because ordinary lubricants would boil off in vaccuum and might recondense on the optics. In additions, controls were simplified - it is not so easy to use a camera with those spacesuits ;)


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Double ­ Negative
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Feb 12, 2009 13:49 |  #28

The 'Blads in the Apollo program were modified to work with dry lubricants.

See more info here:

http://history.nasa.go​v/apollo_photo.html (external link)
http://earth.jsc.nasa.​gov …llo-Saturn_4-6_tables.htm (external link)


La Vida Leica! (external link) LitPixel Galleries (external link) -- 1V-HS, 1D Mark IIn & 5D Mark IV w/BG-E20
15mm f/2.8, 14mm f/2.8L, 24mm f/1.4L II, 35mm f/1.4L, 50mm f/1.2L, 85mm f/1.2L II, 135mm f/2.0L
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bbbig
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Feb 12, 2009 13:54 |  #29

Jpatten wrote in post #7311295 (external link)
Would you still get a really sharp focus? The index of refraction is different for the air/glass interface and the vacuum/glass interface. Is it enough to cause focusing problems? I don't know as I don't have the math in front of me. Also, yeah temp variations will be an issue, but I don't see vacuum itself being that much of an issue as long as you don't decompress explosively. Probably wan live view as the viewfinder may not work so well from outside the helmet.

Yeah that was my thinking initially too - without air, glass/vacuum would cause higher refraction (if I remember correctly), so it will definitely mess up all images altogether. I imagine the lens designers of high-altitude spy cameras, etc. may also have to think about all that - unless the lens itself is pressurized inside.

For that reason, perhaps it's best to take a mirror-lens instead. :)


Roy

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nureality
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Feb 12, 2009 14:06 |  #30

I opt for the FD 5200mm lens with an EF mount. It will weigh nothing, I won't even need IS, LOL!!!! I can take a Moon's Eye View of America photo. I'd take a 1Ds Mk3 the 1Ds Mk4 if it were avaialable, and shoot a 5-shot AEB of the scene to make an HDR. :)


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What kind of glass would you take... if you were going to the moon?
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