<s>
The	O
Oculus	B-Device
Rift	I-Device
S	I-Device
is	O
a	O
virtual	B-Device
reality	I-Device
headset	I-Device
co-developed	O
by	O
Lenovo	O
Technologies	O
and	O
Facebook	B-Application
Technologies	I-Application
—	O
a	O
division	O
of	O
Meta	O
Platforms	O
.	O
</s>
<s>
Announced	O
in	O
March	O
2019	O
and	O
released	O
that	O
May	O
,	O
it	O
is	O
a	O
successor	O
to	O
the	B-Device
original	I-Device
Oculus	I-Device
Rift	I-Device
CV1	O
model	O
,	O
with	O
noted	O
changes	O
including	O
a	O
new	O
"	O
inside-out	O
"	O
positional	B-Operating_System
tracking	I-Operating_System
system	O
with	O
cameras	O
embedded	O
inside	O
the	O
headset	O
unit	O
(	O
similarly	O
to	O
its	O
sister	O
device	O
,	O
the	O
Oculus	B-Application
Quest	O
)	O
,	O
a	O
higher-resolution	O
display	O
,	O
and	O
a	O
new	O
"	O
halo	O
"	O
head	O
strap	O
.	O
</s>
<s>
The	O
Rift	B-Device
S	I-Device
received	O
mixed	O
reviews	O
,	O
with	O
critics	O
praising	O
improvements	O
in	O
comfort	O
and	O
ease	O
of	O
setup	O
due	O
to	O
the	O
halo	O
strap	O
and	O
new	O
tracking	O
system	O
,	O
but	O
characterizing	O
the	O
Rift	B-Device
S	I-Device
as	O
being	O
only	O
an	O
incremental	O
upgrade	O
over	O
the	O
CV1	O
,	O
and	O
noting	O
regressions	O
such	O
as	O
a	O
lower	O
refresh	O
rate	O
,	O
and	O
the	O
lack	O
of	O
hardware	O
adjustment	O
for	O
inter	O
pupillary	O
distance	O
(	O
IPD	O
)	O
.	O
</s>
<s>
In	O
June	O
2015	O
,	O
Oculus	B-Application
VR	I-Application
co-founder	O
Palmer	O
Luckey	O
revealed	O
that	O
Oculus	B-Application
was	O
already	O
working	O
on	O
a	O
successor	O
to	O
the	O
original	O
Rift	B-Device
and	O
planned	O
to	O
release	O
it	O
in	O
around	O
2	O
–	O
3	O
years	O
from	O
the	O
original	O
Rift	B-Device
release	O
.	O
</s>
<s>
In	O
October	O
2018	O
,	O
Oculus	B-Application
VR	I-Application
co-founder	O
and	O
former	O
CEO	O
until	O
2016	O
Brendan	O
Iribe	O
left	O
Oculus	B-Application
VR	I-Application
,	O
allegedly	O
due	O
to	O
both	O
parts	O
having	O
"	O
fundamentally	O
different	O
views	O
on	O
the	O
future	O
of	O
Oculus	B-Application
that	O
grew	O
deeper	O
over	O
time.	O
"	O
</s>
<s>
Iribe	O
wanted	O
to	O
deliver	O
comfortable	O
VR	O
experience	O
competitive	O
on	O
the	O
high-end	O
market	O
while	O
Oculus	B-Application
leadership	O
aimed	O
to	O
lower	O
the	O
VR	O
gaming	O
entry	O
barrier	O
.	O
</s>
<s>
Mark	O
Zuckerberg	O
,	O
CEO	O
of	O
Oculus	B-Application
parent	O
company	O
Facebook	O
,	O
Inc.	O
,	O
repeatedly	O
stated	O
that	O
Oculus	B-Application
 '	O
goal	O
is	O
to	O
bring	O
a	O
billion	O
users	O
into	O
VR	O
.	O
</s>
<s>
Iribe	O
was	O
said	O
to	O
be	O
overseeing	O
the	O
development	O
of	O
the	O
second	O
generation	O
Oculus	B-Device
Rift	I-Device
,	O
which	O
was	O
canceled	O
the	O
week	O
prior	O
to	O
his	O
departure	O
.	O
</s>
<s>
Rift	B-Device
S	I-Device
used	O
a	O
single	O
fast-switch	O
LCD	O
panel	O
with	O
a	O
resolution	O
of	O
2560×1440	O
and	O
an	O
80Hz	O
refresh	O
rate	O
,	O
down	O
from	O
the	O
CV1	O
's	O
90Hz	O
.	O
</s>
<s>
Also	O
,	O
compared	O
to	O
the	O
original	O
Rift	B-Device
,	O
the	O
Rift	B-Device
S	I-Device
used	O
"	O
next	O
generation	O
"	O
lens	O
technology	O
,	O
introduced	O
in	O
the	O
Oculus	B-Application
Go	O
,	O
which	O
almost	O
entirely	O
eliminated	O
god	O
rays	O
.	O
</s>
<s>
The	O
field	O
of	O
view	O
was	O
115º	O
,	O
compared	O
to	O
110º	O
on	O
the	O
Rift	B-Device
CV1	O
.	O
</s>
<s>
As	O
opposed	O
to	O
earphones	O
attached	O
to	O
the	O
strap	O
as	O
on	O
the	O
CV1	O
,	O
built-in	O
audio	O
on	O
the	O
Rift	B-Device
S	I-Device
used	O
speakers	O
embedded	O
in	O
the	O
headset	O
itself	O
,	O
positioned	O
slightly	O
above	O
the	O
user	O
's	O
ears	O
.	O
</s>
<s>
The	O
Rift	B-Device
S	I-Device
used	O
the	O
same	O
"	O
Oculus	B-Application
Insight	O
"	O
inside-out	O
tracking	O
system	O
used	O
by	O
the	O
Oculus	B-Application
Quest	O
,	O
whereby	O
five	O
cameras	O
built	O
into	O
the	O
headset	O
(	O
two	O
on	O
the	O
front	O
,	O
one	O
on	O
either	O
side	O
,	O
and	O
one	O
looking	O
directly	O
upwards	O
)	O
that	O
tracked	O
infrared	O
diodes	O
in	O
the	O
controllers	O
,	O
as	O
well	O
as	O
input	O
from	O
the	O
accelerometers	O
in	O
the	O
headset	O
and	O
controllers	O
,	O
and	O
a	O
prediction	O
engine	O
,	O
were	O
used	O
to	O
spatially	O
track	O
the	O
headset	O
and	O
controller	O
(	O
removing	O
the	O
need	O
for	O
external	O
sensors	O
mounted	O
in	O
the	O
play	O
area	O
)	O
.	O
</s>
<s>
The	O
Rift	B-Device
S	I-Device
contained	O
an	O
additional	O
fifth	O
camera	O
over	O
the	O
Quest	O
's	O
four	O
to	O
improve	O
compatibility	O
with	O
existing	O
Oculus	B-Device
Rift	I-Device
software	O
.	O
</s>
<s>
Passthrough+	O
also	O
makes	O
use	O
of	O
"	O
Asynchronous	B-General_Concept
SpaceWarp	I-General_Concept
"	O
to	O
produce	O
a	O
comfortable	O
experience	O
with	O
minimal	O
depth	O
disparity	O
or	O
performance	O
impact	O
.	O
</s>
<s>
Rift	B-Device
S	I-Device
featured	O
a	O
halo	O
headband	O
which	O
,	O
according	O
to	O
Oculus	B-Application
,	O
had	O
a	O
better	O
weight	O
distribution	O
,	O
better	O
light	O
blocking	O
,	O
and	O
was	O
supposed	O
to	O
be	O
more	O
comfortable	O
overall	O
.	O
</s>
<s>
Oculus	B-Device
Rift	I-Device
S	I-Device
used	O
the	O
same	O
second	O
generation	O
Oculus	B-Application
Touch	O
controllers	O
used	O
in	O
the	O
Oculus	B-Application
Quest	O
.	O
</s>
<s>
The	O
controllers	O
are	O
similar	O
to	O
the	O
ones	O
used	O
by	O
the	B-Device
original	I-Device
Oculus	I-Device
Rift	I-Device
,	O
except	O
with	O
the	O
tracking	O
ring	O
on	O
the	O
top	O
(	O
to	O
be	O
seen	O
by	O
the	O
headset	O
's	O
built-in	O
cameras	O
)	O
instead	O
of	O
being	O
on	O
the	O
bottom	O
(	O
to	O
be	O
seen	O
by	O
the	O
external	O
Constellation	O
cameras	O
)	O
.	O
</s>
<s>
On	O
April	O
12	O
,	O
2019	O
,	O
Nate	O
Mitchell	O
,	O
co-founder	O
of	O
Oculus	B-Application
VR	I-Application
and	O
head	O
of	O
VR	O
product	O
at	O
Facebook	O
,	O
explained	O
via	O
Twitter	B-Application
that	O
"	O
some	O
'	O
easter	O
egg	O
 '	O
labels	O
meant	O
for	O
prototypes	O
accidentally	O
made	O
it	O
onto	O
the	O
internal	O
hardware	O
for	O
tens	O
of	O
thousands	O
of	O
[	O
Oculus	B-Application
Quest	O
and	O
Rift	O
S ]	O
Touch	O
controllers.	O
"	O
</s>
<s>
Oculus	B-Device
Rift	I-Device
S	I-Device
was	O
announced	O
during	O
GDC	O
2019	O
on	O
March	O
20	O
,	O
with	O
shipments	O
starting	O
on	O
May	O
21	O
the	O
same	O
year	O
.	O
</s>
<s>
On	O
September	O
16	O
,	O
2020	O
,	O
Facebook	O
announced	O
the	O
upcoming	O
discontinuation	O
of	O
the	O
Rift	B-Device
S	I-Device
in	O
favor	O
of	O
the	O
Oculus	B-General_Concept
Quest	I-General_Concept
2	I-General_Concept
,	O
with	O
sales	O
ending	O
in	O
spring	O
2021	O
.	O
</s>
<s>
In	O
December	O
2020	O
,	O
Facebook	O
discounted	O
the	O
Rift	B-Device
S	I-Device
to	O
US$300	O
.	O
</s>
<s>
In	O
April	O
2021	O
,	O
production	O
of	O
the	O
Rift	B-Device
S	I-Device
was	O
discontinued	O
.	O
</s>
<s>
That	O
June	O
,	O
the	O
Rift	B-Device
S	I-Device
section	O
in	O
the	O
Oculus	B-Application
website	O
was	O
updated	O
and	O
was	O
no	O
longer	O
being	O
sold	O
.	O
</s>
<s>
The	O
Rift	B-Device
S	I-Device
received	O
mixed	O
reviews	O
.	O
</s>
<s>
The	O
Verge	O
felt	O
that	O
the	O
Insight	O
system	O
was	O
"	O
easily	O
a	O
match	O
for	O
the	O
old	O
Rift	B-Device
tracking	O
cameras	O
"	O
and	O
helped	O
make	O
setup	O
less	O
complicated	O
,	O
and	O
that	O
its	O
halo	O
strap	O
was	O
more	O
comfortable	O
than	O
that	O
of	O
the	O
Oculus	B-Application
Quest	O
,	O
but	O
felt	O
that	O
some	O
of	O
its	O
other	O
changes	O
were	O
downgrades	O
over	O
the	O
previous	O
model	O
and	O
Quest	O
—	O
including	O
replacing	O
its	O
headphones	O
with	O
directional	O
speakers	O
,	O
the	O
lack	O
of	O
hardware	O
IPD	O
adjustment	O
,	O
and	O
a	O
screen	O
whose	O
resolution	O
only	O
slightly	O
higher	O
than	O
the	O
Rift	B-Device
CV1	O
,	O
but	O
lower	O
than	O
the	O
Oculus	B-Application
Quest	O
.	O
</s>
<s>
TechRadar	O
characterized	O
the	O
Rift	B-Device
S	I-Device
as	O
being	O
an	O
incremental	O
upgrade	O
over	O
the	O
CV1	O
,	O
similarly	O
praising	O
its	O
"	O
elegantly	O
simple	O
"	O
tracking	O
system	O
,	O
but	O
noting	O
only	O
marginal	O
hardware	O
updates	O
,	O
and	O
regressions	O
such	O
as	O
its	O
directional	O
speakers	O
,	O
a	O
tighter	O
fit	O
and	O
no	O
hardware	O
IPD	O
,	O
and	O
its	O
lower	O
refresh	O
rate	O
.	O
</s>
<s>
Coming	O
from	O
a	O
CV1	O
,	O
the	O
reviewer	O
also	O
noted	O
that	O
the	O
Rift	B-Device
S	I-Device
was	O
also	O
the	O
first	O
headset	O
to	O
make	O
them	O
feel	O
nauseous	O
,	O
although	O
citing	O
possible	O
factors	O
such	O
as	O
the	O
lower	O
refresh	O
rate	O
or	O
Fallout	O
4	O
VR	O
being	O
a	O
SteamVR	O
game	O
that	O
was	O
not	O
fully	O
optimized	O
for	O
the	O
Oculus	B-Application
platform	O
.	O
</s>
<s>
It	O
was	O
argued	O
that	O
the	O
Rift	B-Device
S	I-Device
"	O
does	O
very	O
little	O
to	O
appeal	O
to	O
those	O
that	O
have	O
already	O
invested	O
in	O
the	O
Oculus	B-Application
ecosystem	O
"	O
,	O
and	O
that	O
"	O
the	O
future	O
of	O
Oculus	B-Application
VR	I-Application
,	O
if	O
it	O
is	O
ever	O
to	O
have	O
mainstream	O
appeal	O
from	O
a	O
consumer	O
perspective	O
,	O
looks	O
to	O
sit	O
then	O
with	O
the	O
Oculus	B-Application
Quest	O
,	O
whose	O
freedom	O
of	O
movement	O
does	O
stand	O
the	O
chance	O
of	O
being	O
truly	O
transformational	O
,	O
given	O
the	O
right	O
software.	O
"	O
</s>
<s>
Oculus	B-Application
co-founder	O
Palmer	O
Luckey	O
criticized	O
the	O
lack	O
of	O
hardware	O
IPD	O
,	O
stating	O
that	O
the	O
software-only	O
adjustment	O
was	O
not	O
comparable	O
in	O
any	O
way	O
to	O
an	O
actual	O
physical	O
IPD	O
adjustment	O
mechanism	O
.	O
</s>
<s>
He	O
estimated	O
that	O
about	O
30%	O
of	O
the	O
population	O
—	O
including	O
himself	O
—	O
would	O
not	O
be	O
able	O
to	O
use	O
the	O
Rift	B-Device
S	I-Device
comfortably	O
.	O
</s>
<s>
In	O
comparison	O
,	O
the	O
original	O
Rift	B-Device
CV1	O
was	O
designed	O
to	O
support	O
any	O
IPD	O
between	O
the	O
5th	O
and	O
95th	O
percentile	O
(	O
58mm	O
and	O
72mm	O
,	O
respectively	O
)	O
,	O
making	O
the	O
device	O
comfortable	O
for	O
90%	O
of	O
the	O
population	O
.	O
</s>
