Thoughts on repurposing a guinea pig cage as an slr cage?

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jdramirez

jdramirez

May 31, 2011
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#1
I coach softball and I'd like to be able to tape games & practice and then send clips to the girls and tell them to do better.

But I was concerned about leaving my body and lens exposed to foul balls.

Our guinea pig just died so I was thumping about using his 3'x2'x2' cave to house my camera.

I would get a bendy tripod and attach it to the base of the cage. Attach the camera, hit record, attach the top of the cage and done.

Am I missing anything here?
 
#3
ajfotofilmagem said:
Do not know the type of cage you have, but how to operate the camera and make correct framing with the camera inside?
Click to expand...

Wide angle and no focus around 15 feet away... And close down the aperture a little.

I'm not making a film... I recording practice and games to give them feedback.
 
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#4
Hi JD.
Thoughts
1 Just how soft is a softball?
2 How heavy is it.
3 How fast is it.
4 Is it not the purpose of a guinea pig cage to keep soft things in not softballs out? :o
From 2&3 you can work out the energy that the cage needs to absorb to protect the camera.

Cheers Graham.
 
Upvote 0
#5
Valvebounce said:
Hi JD.
Thoughts
1 Just how soft is a softball?
2 How heavy is it.
3 How fast is it.
4 Is it not the purpose of a guinea pig cage to keep soft things in not softballs out? :o
From 2&3 you can work out the energy that the cage needs to absorb to protect the camera.

Cheers Graham.
Click to expand...

If I recall force = mass x acceleration squared.

The mass of a softball is... let's say 8 ounces. The maximum speed at the 10 and under is maybe 40 miles per hour...

And so I need to convert from stupid American to metric...

Carry the two...

And the answer is... throw softballs at the cage to see if it holds up.
 
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#6
Hi JD.
Actually F=MA and as you don't have any acceleration assuming a steady speed during the flight (after acceleration by the bat), the formula you need is F=Mass x Velocity squared. ;) but determining outcome by experimentation or "the answer is... throw softballs at the cage to see if it holds up." sounds like more fun!
Thanks for the laugh.

Cheers Graham.


jdramirez said:
Valvebounce said:
Hi JD.
Thoughts
1 Just how soft is a softball?
2 How heavy is it.
3 How fast is it.
4 Is it not the purpose of a guinea pig cage to keep soft things in not softballs out? :o
From 2&3 you can work out the energy that the cage needs to absorb to protect the camera.

Cheers Graham.
Click to expand...

If I recall force = mass x acceleration squared.

The mass of a softball is... let's say 8 ounces. The maximum speed at the 10 and under is maybe 40 miles per hour...

And so I need to convert from stupid American to metric...

Carry the two...

And the answer is... throw softballs at the cage to see if it holds up.
Click to expand...
 
Upvote 0
#13
Jim Saunders said:
The previous poster got to GoPro first, but the cage idea seems sound for working with what you've got. Layers of bubble wrap on the outside might make for a means of damping the impact of a direct hit.

Jim
Click to expand...

did I not to mention that the softball players are 10 year old girls don't have a great deal power
 
Upvote 0
#14
jdramirez said:
Jim Saunders said:
The previous poster got to GoPro first, but the cage idea seems sound for working with what you've got. Layers of bubble wrap on the outside might make for a means of damping the impact of a direct hit.

Jim
Click to expand...

did I not to mention that the softball players are 10 year old girls don't have a great deal power
Click to expand...

I missed it if you did. Your camera to do with as you like, anyway.

Jim
 
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