<s>
Magic	B-Device
Lantern	I-Device
is	O
a	O
firmware	B-Application
add-on	B-General_Concept
for	O
various	O
Canon	O
digital	B-Device
single-lens	I-Device
reflex	I-Device
(	O
DSLR	B-Device
)	O
cameras	O
and	O
the	O
EOS	B-Algorithm
M	I-Algorithm
.	O
It	O
adds	O
features	O
for	O
DSLR	B-Device
filmmaking	I-Device
and	O
still	O
photography	O
,	O
and	O
is	O
free	B-License
and	I-License
open-source	I-License
.	O
</s>
<s>
Magic	B-Device
Lantern	I-Device
was	O
originally	O
written	O
for	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
5D	I-Algorithm
Mark	I-Algorithm
II	I-Algorithm
by	O
Trammell	O
Hudson	O
in	O
2009	O
after	O
he	O
reverse	O
engineered	O
its	O
firmware	B-Application
.	O
</s>
<s>
He	O
ported	O
it	O
to	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
550D	I-Algorithm
in	O
July	O
2010	O
.	O
</s>
<s>
There	O
are	O
now	O
versions	O
for	O
many	O
other	O
Canon	O
DSLRs	B-Device
and	O
the	O
current	O
principal	O
developer	O
is	O
known	O
as	O
A1ex	O
.	O
</s>
<s>
Since	O
installing	O
Magic	B-Device
Lantern	I-Device
does	O
not	O
replace	O
the	O
stock	O
Canon	O
firmware	B-Application
or	O
modify	O
the	O
ROM	O
but	O
rather	O
runs	O
alongside	O
it	O
,	O
it	O
is	O
both	O
easy	O
to	O
remove	O
and	O
carries	O
little	O
risk	O
.	O
</s>
<s>
The	O
camera	O
checks	O
a	O
"	O
boot	B-Operating_System
flag	O
"	O
in	O
its	O
re-writable	O
memory	O
,	O
and	O
if	O
set	O
,	O
reads	O
from	O
a	O
memory	B-Device
card	I-Device
to	O
get	O
the	O
additional	O
firmware	B-Application
routines	O
.	O
</s>
<s>
Each	O
time	O
the	O
camera	O
is	O
started	O
,	O
there	O
is	O
an	O
option	O
to	O
disable	O
Magic	B-Device
Lantern	I-Device
.	O
</s>
<s>
Magic	B-Device
Lantern	I-Device
firmware	B-Application
was	O
originally	O
written	O
for	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
5D	I-Algorithm
Mark	I-Algorithm
II	I-Algorithm
by	O
Trammell	O
Hudson	O
in	O
2009	O
after	O
he	O
reverse	O
engineered	O
its	O
firmware	B-Application
.	O
</s>
<s>
He	O
ported	O
it	O
to	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
550D	I-Algorithm
in	O
July	O
2010	O
.	O
</s>
<s>
Starting	O
in	O
September	O
2010	O
,	O
a	O
person	O
using	O
the	O
name	O
"	O
A1ex	O
"	O
on	O
the	O
CHDK	B-General_Concept
(	O
Canon	O
Hack	O
Development	O
Kit	O
)	O
website	O
forum	O
and	O
other	O
people	O
ported	O
Magic	B-Device
Lantern	I-Device
to	O
the	O
Canon	B-Device
EOS	I-Device
50D	I-Device
,	O
60D	B-Algorithm
,	O
500D	B-Device
and	O
600D	B-Algorithm
.	O
</s>
<s>
As	O
of	O
August	O
2017	O
support	O
for	O
the	O
Canon	B-Algorithm
EOS	I-Algorithm
5D	I-Algorithm
,	O
5D	B-Algorithm
Mk	I-Algorithm
III	I-Algorithm
,	O
6D	B-Algorithm
,	O
7D	B-Algorithm
,	O
60Da	O
,	O
650D	B-Algorithm
,	O
700D	B-Algorithm
,	O
and	O
1100D	B-Algorithm
DSLRs	B-Device
and	O
the	O
mirror-less	B-Device
EOS	B-Algorithm
M	I-Algorithm
had	O
also	O
been	O
added	O
.	O
</s>
<s>
Later	O
mirrorless	B-Device
cameras	I-Device
are	O
not	O
supported	O
because	O
they	O
use	O
a	O
codebase	O
similar	O
to	O
Canon	B-Algorithm
PowerShot	I-Algorithm
cameras	O
rather	O
than	O
Canon	O
EOS	O
cameras	O
;	O
therefore	O
CHDK	B-General_Concept
ports	O
are	O
planned	O
.	O
</s>
<s>
Originally	O
developed	O
for	O
DSLR	B-Device
filmmaking	I-Device
,	O
Magic	B-Device
Lantern	I-Device
's	O
features	O
have	O
expanded	O
to	O
also	O
include	O
those	O
for	O
still	O
photography	O
.	O
</s>
<s>
Firmware	B-Application
and	O
source	O
code	O
is	O
released	O
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
.	O
</s>
<s>
Because	O
installing	O
Magic	B-Device
Lantern	I-Device
does	O
not	O
replace	O
the	O
stock	O
Canon	O
firmware	B-Application
or	O
modify	O
the	O
ROM	O
but	O
rather	O
runs	O
alongside	O
it	O
,	O
it	O
is	O
both	O
easy	O
to	O
remove	O
and	O
carries	O
little	O
risk	O
.	O
</s>
<s>
Canon	O
has	O
not	O
made	O
any	O
official	O
statements	O
regarding	O
the	O
add-on	B-General_Concept
firmware	B-Application
,	O
either	O
on	O
the	O
subject	O
of	O
warranty	O
or	O
on	O
the	O
features	O
.	O
</s>
<s>
In	O
response	O
to	O
emails	O
Canon	O
has	O
stated	O
that	O
while	O
their	O
warranty	O
does	O
n't	O
cover	O
damage	O
caused	O
by	O
third	O
party	O
firmware	B-Application
it	O
will	O
cover	O
unrelated	O
issues	O
such	O
as	O
malfunctioning	O
buttons	O
even	O
if	O
third	O
party	O
firmware	B-Application
has	O
been	O
installed	O
.	O
</s>
