I read somewhere that the formula for calculating maximum exposure time
for shooting the moon is 250/ lens focal length = maximun speed in
seconds. So if shooting with a 50mm lens would give a maximum exposure
time of 5 seconds and a 500 mm lens would have a maximum exposure time
of 1/2 or .5
I just got my moon shots back, and they are all blurry. I was using a
Sigma 400mm f/5.6 mirrored lens. The blurriness happened using both 100
and 400 ISO film, at exposures of 4 to 8 seconds. Should I simply have
exposed for a more brief period of time, or is this a consequence of
using a mirrored
1) how did you do your focusing?
2) how good is your tripod?
Herb
- Original Message -
From: Amita Guha [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, August 18, 2003 19:05
Subject: shooting the moon part II
I just got my moon shots back, and they are all blurry. I
Guha [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, August 18, 2003 19:05
Subject: shooting the moon part II
I just got my moon shots back, and they are all blurry. I
was using a
Sigma 400mm f/5.6 mirrored lens. The blurriness happened using both
100 and 400 ISO film
-Original Message-
From: Amita Guha [mailto:[EMAIL PROTECTED]
My shots of Mars had donuts around them, but I knew about the donut
problem...
Mmmm, donuts.
tv
Subject: RE: shooting the moon part II
Mostly I relied on the split screen of the Super Program. This was the
shot where infinity was not the correct setting on the focus ring, so
I was somewhere before infinity.
2) how good is your tripod?
I probably didn't use my best one for this task
the meter?
Gianfranco
- Original Message -
From: Amita Guha [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, August 19, 2003 1:05 AM
Subject: shooting the moon part II
I just got my moon shots back, and they are all blurry. I was
using a
Sigma 400mm f/5.6 mirrored lens
On Mon, 18 Aug 2003 16:42:13 -0700 (PDT), Gianfranco Irlanda wrote:
I recall that someone suggested sunny 16 for the moon,
but I tried it (at least I think so) and the results were
a bit dark (better go out and meter...).
Moony 11 was suggested to me, and seems to work pretty well. But I
From: Amita Guha [EMAIL PROTECTED]
I'm beginning to wonder if I should have used the meter
because the moon was so bright.
Assuming that your camera was in automatic mode, my suspicion is that
it saw all of that black sky and set the lens wide open and ended up
with a shutter speed that was
- Original Message -
From: Amita Guha [EMAIL PROTECTED]
Subject: RE: shooting the moon part II
2) how good is your tripod?
I probably didn't use my best one for this task...I used my Slik travel
tripod with the center column extended all the way on a breezy evening.
Extending
not narrow enough).
Same reading with a Z-20.
Gianfranco
- Original Message -
From: Doug Franklin [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Tuesday, August 19, 2003 1:56 AM
Subject: Re: shooting the moon part II
Moony 11 was suggested to me, and seems to work pretty well.
But I
shoot
Amita,
Doug's advice is right on here. Moony 11 is good. The Super Program on auto
will try to go long with a 400mm lens on the moon. The moon is in direct
sunlight, but doesn't fill enough of the frame to get the Super Program to expose
at a 1/400th f11. (voice of experience here, having
Didn't you check the meter?
No, I didn't...it just didn't occur to me...but I'll definitely use the
meter next time and bracket starting with the suggestions you guys have
given me. I'll also try my 300mm zoom since my 400mm is fixed at 5.6.
Does it make any difference what speed film you use?
light and easy to handle are the antithesis of stability. you have to draw the line
somewhere though.
Herb
- Original Message -
From: Amita Guha [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, August 18, 2003 20:35
Subject: RE: shooting the moon part II
My favorite tripod
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