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The Super Moon |
Supermoon is nothing less
than a celebrity...
It reaches the closest to
the earth once every couple of years, which made Sunday 23rd June 2013, an auspious occasion...
And we decided to have a
photowalk on that day to shoot the moon...
Preparation:
Research 1...
Research told me that the
moon is going to rise at 7:09 pm on 23 June 2013 and will rise at 112 deg...
What a minute?... what the
hell is 112 deg.
Research 2...
Research told me that
0 deg is north, 90 deg is east and 180 deg is south... so the moon is going to
rise somewhere around the SE...
Research 3...
Scanning and panning
through google maps, after orienting the map, with SE towards the top of the
screen... It was clear that the curve of the palm crescent gave us an
opportunity to shoot, to get the moon towards the dubai city line and close to
burj al arab...
Sounds good... what do i do
next?
Post a photowalk, with a
picture resembling the image which will be possible to capture from the palm
jumeirah...
(Everyone please note that at
this point little did i expect 150 photographers, a newspaper reporter and a
newspaper photographer will come to document this event...)
As the word spread, the
numbers on our page started increasing adding pressure to get the event perfect
for everyone who attended...
Research 4...
How to shoot the moon?
Everyone including myself who will attend the event needed to know what is best
way to shoot the moon...
Rule 1. Shoot the moon when it is seen the biggest
The moon is seen the
biggest when it is rising over the horizon and it will decrease in size as it
rises away from the horizon...
Oops!!! now we know we have
only time window of 30 odd mins to get our shot right...
Rule 2. Shoot the moon in relation to an object on earth
If we have to get the moon
in the frame along with the man made object, the angle of the shoot has to be accurate down to a few kilometers...
Now how do I know exactly
where the moon will rise... I know it will rise at 112 deg, but the compass app
did not help me... it only pointed in the general direction...
Research 5...
Someone posted on meet-up page a
map, showing the path of the moon on a given day...
Immediately I posted a
request asking the member about the app... no response.
This app uses extensive data
available online and can trace out the actual path of the sunrise till it sets, on a map...
This is what I want, but I need the app to do the same for the moon...
But To get the app to do the
same for the moon, it would cost me $6.95...
Swoosh!!!... Credit card
swipe... done...
Research 6...
I had to go on location again...
Using the AR camera mode in sun surveyor app, it uses the camera to stimulate the moon exactly where the moon will appear over
the horizon... and this is what I get... IMAGE 2.
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IMAGE 2 |
This was a relief... the
number of people expecting to attend is getting close to 100... and I got
something right... there is a building in the foreground to be in contrast with
the moon... Phew!!!...
Rule 3. Moon needs to look really big and the buildings small
This is interesting,
because physically the size of the moon and the building is constant... how do these
photographers, manage to shoot a huge moon in front of a tiny building...
First reaction...
Photoshop!!!...
Second response... There
should be a more purist way of doing it...
Research 7...
Here is how it works...
Lets assume you are
standing in front of a building... say at 100 meters away...
Step away from the
building... the building looks smaller...
There is a direct
correlation between the apparent height of the building and the distance
between the building and the viewer...
h = a/ d, where 'h' is the
apparent height, 'a' is the actual height and 'd' the distance from the object
A building 100 meters tall,
when viewed at a distance of 100 meters, will seem to be 1 meter tall...
The same building, when
viewed at a distance of 200 meters, will seem to be 0.5 meters tall...
Conclusion: everytime we
double the distance from the object the apparent height of the object is
halved...
The buildings over the
horizon in Image 2, are somewhere in Teecom... and the shortest linear distance
between Teecom and the point from where we will be shooting is 3.5kms...
So if the building over the
horizon is 100 meters tall, it will seem to be a few cms tall...
When it comes to the moon,
the diameter of the moon is around 3,476 kms and the distance from the moon and
the earth (viewer), is around 362,570 kms !!!... !!!, which is why the apparent
diameter seems to be only 9 meters.
For the sake of discussion
let us say, I want to see the moon, 2 times bigger...
I will have call up Richard Branson, take his permission to hop on his Virgin Galactic spaceship and travel towards the moon, to say around 181,285 kms closer to the moon... and shoot from the space craft through its multi layered radiation shield... and never get a sharp image...
Oh yes, if the spaceship
travels at the speed of 1000 kmph, it will take 7 days to reach the location of
our photowalk...
Not a good idea...
Conclusion: Shoot from
anywhere on the earth, the apparent size of the moon remains the same...
Next best thing to do...
increase the distance between you and the building... if the apparent height of
the building is 10 meters tall when you are standing 10 meters away from the
building... move away to 100 meters to decrease the apparent height of the
building to 1 cm...
Double the distance to 200
meters, the apparent height of the building drops down to half cm...
Conclusion: Though I cannot
change the apparent size of the moon being on earth, but by moving away from
the building I can decrease the apparent height of the building...
Lucky me!!!... Palm
crescent is a perfect place to shoot, moon size remains big, the buildings look
small... perfect to get a picture of a big moon with a tiny building in front
of it...
But, since I am suffering
from a non-infectious disease which is called perfectionist... I said let me
try to get the Burj Khalifa in the foreground...
I found exactly a place
that can get the Burj khalifa in the foreground and the moon in the
background... and this place happen to be in the heart of busy jumeirah...
Plus there were
construction cranes lining up the sky and small buildings filling up the
horizon... which means we will get to see the moon only when it reaches high up
in the sky... violating Rule 1.
The plan to change the location
of shoot was cancelled... and I had to find out the gear needed to shoot the
moon...
Rule 4. The Gear
If I shoot with a wide
angle lens, the lens compresses the whole image into the frame, and the skyline
and the moon will look small in the image...
Research 8...
After watching a lot of
videos on youtube and reading articles on google, a deep wise sound echoed in
my head, that with my camera canon 7d, I need to shoot at an effective focal
length of more than 1000 mm...
I have a crop factor
advantage of 1.6x... which meant I needed a lens with a focal length of
1000/1.6 = ~ 625 mm
Seems possible...
A friend had given me a Sigma 150 - 500 mm lens.
A friend had given me a Sigma 150 - 500 mm lens.
But this was not enough... and I did not want to use it because the lens is not the sharpest at 500 mm
I know I am not rich enough
to buy a 600 mm lens for 1 day just to shoot the moon... if I did manage to buy
such a lens, I would need to hire a divorce lawyer as well...
so I decided to rent the
lens...
And all rental companies in
dubai did not have a 600 mm lens... they had only 400 mm lens but they also had
a 2x tele converter...
So i decided to take a 400
mm lens with a 2x teleconverter on rent for AED 280 (~ $ 76)...
Now I am all set... I am
ready to shoot the moon...
No wait... what are the
best settings to shoot the moon... which meant
It is time to get back to
more reading...
Research 9...
After reading and researching, it was understood that
the exposure required for the moon is similar to shooting on earth on a sunny
day... hence we can shoot following the Sunny 16 rule...
Rule 4. The Method - Camera settings
Sunny 16 rule: it says that
using any lens, at F16, ISO 100, the shutter speed at around 1/100 sec will get you the right exposure...
But serious moon
photographers out of experience feel that inorder to capture the details of the moon,
we need to shoot at a exposure brighter than f16 and they created the 'Looney 11
rule'...
Looney 11 rule: it says
that using any lens, at F11, ISO 100, the shutter speed at around 1/100 sec will get you the right
exposure for the moon...
It cannot be so simple... I
know from experience, that longer the lens, the more are the chances to capture
a motion blur, because a little camera shake will amplify the movement of the
object... which meant on the day of the shoot I would need to improvise...
And I need to get a damn good
tripod...
Rule 5. The Method - The Tripod
It was time to upgrade my
tripod, because for my current gear, Canon 7d and Canon 70 - 200 f2.8 lens the
tripod was inadequate...
I had in mind what I
wanted... and visited Perfecta and Advance media for Manfrotto Neotech series
with a rating of 8kgs payload capacity... and neither of these vendors had this
model of tripod...
The next best option, do
not extend the tripod legs, stay low, use a shutter release cable, enable
mirror lockup and as much as not breathe while clicking an image...
Staying low, makes most
tripods very stable...
Shutter release cable,
eliminates camera shake, caused by pressing the shutter button on the camera...
Since the camera needs to use two
mechanical actions to capture the image.
1. the mirror physically
moves away and allows the light from the lens to go directly towards the sensor
2. Shutter opens and closes
to expose the sensor...
I cannot eliminate the
second motion, but I can eliminate the first motion... the motion caused by the
movement of the Mirror...
In Mirror lockup mode, when
you press the button on the shutter release cable, the mirrors moves out of the
way... and then press the shutter release cable again to expose the
sensor.
The Photowalk
By this time the amount of
people committed to come, had reached 140 on meetup.com and 70 on facebook...
which meant, we had way too many people to manage, help them get on location
and address their questions... above all I was informed that a reporter and a
photographer from The National newspaper are coming for the event.
Also it was expected to be
hot and humid... Incidentally I had a ice box in the car. Filled the box with
water and ice and headed out to the crescent...
The Unexpected 1 - The Tripod
I was hoping to get across
the corniche wall, and set my tripod on the rocks. Like I mentioned earlier, my
tripod was not fit for this activity, and I had planned to set myself low on
the rocks, without extending the tripod...
Hard reality hit me, that
if I jumped across the wall, most people would do that, and we would risk
offending the law keepers in the area... And I had to extend my tripod to its
full length... and it was evident that my camera and lens was moving like a
flag on top of a flag pole...
Which basically meant, I
have to increase my shutter speed and work with a higher ISO...
The Unexpected 2 - The Weather
The trick behind shooting
an interesting picture of the moon is to capture it just above the horizon...
Weather forecast generally
talks about clouds, heat and humidity, but rarely do they predict haze... and
we had clear skies, tolerable heat, but there was haze over the horizon...
What can you do about it?
Be positive and hope to capture whatever the nature offers to you...
The Unexpected 3 - The Tripod head and Long focal length
When we are shooting with a
wide lens, the regular tripod works well, but when you are shooting with a lens
with an effective focal length more than 800 mm... it gets very tricky...
Any minute movement, and
you could see the moon jump around like a ping pong ball...
Secondly, since the angle
of view in these long lens are so narrow, you are stuck in a tunnel vision.
Finding the moon in the view finder got really difficult, also because the moon
was not in focus...
Two solutions
1. Manually focus the lens to
infinity... by using the focal point indicator on the lens, and moving the ring
till the pointer reaches infinity.
2. Search for the moon in
your viewfinder, with both your eyes open... this technique helps you see the moon in the sky with one eye, and the other eye seeks the moon in the viewfinder... and naturally you will move the lens in the direction of the moon...
My tripod did not help the
cause... every time I found the moon in the view finder, I locked the tripod
head in place, but the moment I let the camera go, the little angular movement
of the long lens, virtually took the moon out of the frame...
Solution
First anticipate how much
the moon moves when you leave the camera and watch if the moon moves out of the
top or lower part of the frame...
In my case the lens was
moving higher and the body lower, which caused the moon to disappear into the
bottom of the frame.
At first I deliberately
moved the view just below the moon and let the camera go, which caused the moon
to fall in the frame... but this was not accurate and composition was getting
effected...
Alternately, after I let
the camera go, I nudged the tripod leg a bit forward and backward, using the
play in the tripod legs to get the moon in the frame...
Lastly I switched on the
live view... and adjusted the camera and tripod making sure that the moon was
somewhere below the frame... and allowed the moon to naturally rise into the
frame...
While it was rising into
the frame, I gently moved the tripod leg to get the moon to rise close to the
intersecting rule of 3rd lines...
Rule 6. The Method - Focusing & exposure
Looney 11 rule was used
as a starting point...
ISO 100, 1/100 sec, f 11...
1/100 sec was not good
enough, because with such long focal lengths, the moon was moving really
fast...
ISO 1000, 1/1000 sec, f11,
to get it right rather than be sorry...
Click!!! , the image was
too dark...
Lowered the shutter speed,
to 1/500 sec, effectively doubling the amount of light reaching my sensor...
Click!!!! , i was getting
decent exposure...
To decrease the noise, I dropped my ISO down from ISO 1000 to ISO 400... and to compensate for the loss
in exposure, I decreased the shutter speed by the same ratio... and brought the
speed down to 1/200 sec...
Shooting at 1/200 sec may
cause motion blur, more because of the camera shake, rather than the motion of
the moon...
So the first thing, I did
was enable the mirror lockup and attached a shutter release cable...
To negate the camera
move,
- I pressed the button on shutter release cable, to move the mirror out of the way...
- Waited till the movement of the camera stabilized
- Pressed the button on the shutter release cable again, to open the shutter for exposure...
- Zoom into the image to see if it was sharp, if not, I moved the ISO higher and increased shutter speed equally, hence maintaining the same exposure without manipulating the aperture. Because if I change aperture value, I might need to refocus the lens on the subject.
Once I found the
settings that works for me, all I had to do was...
Get the moon in the frame
and Click.. Click... Click till the moon went out of the frame...
Now that you know shooting
a moon is not so simple using an effective focal length greater than 800 mm...
Give a thought and imagine
how bird photographers, use focal lengths greater than 800 mm to capture a bird
flying in air...
Conclusion: It was fun, I got to learn and I have to practice... :)
I hope you liked the blog...
Please leave your feedback, advise and comment below...
Thank you for reading... :)
To see my photographs click here... Facebook
I hope you liked the blog...
Please leave your feedback, advise and comment below...
Thank you for reading... :)
To see my photographs click here... Facebook