Flashes & lighting
Pentax AF 200Sa FLASH User manual
User manual for Pentax AF 200Sa FLASH. 19 pages in English. Read the original PDF, download or print a copy without registration.
19 pagesEnglish1.3 MB PDF
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Document details
- Brand
- Pentax
- Model / document
- Pentax AF 200Sa FLASH
- Document type
- User manual
- Language
- English
- Pages
- 19
- File size
- 1.3 MB
- Category
- Flashes & lighting
- Document date
- Not specified in catalog
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Page 3 · Read text
The AF200Sn has a Guide Numberof 20 with ISO 100 film, and when
used with any Pentaxprogrammedcamera,becomesa high-performance,
clip-on type flash unit that easilygetsreadyfor flashphotographyby just
turning the power switch to ON. Can also be usedwith the cameraset to
the Aperture-priorityAE mode. lts wide angleof illuminationcan cover
the areaseenby a 28mm wide-anglelens.
The AF standsfor Auto FlashUnit, and it has an electronicsensorthat
measuresthe amount of light reflectedfrom the subjectinstantaneously.
It turns the flash off automaticallywhen the sensorregistersenoughlight
for correct exposure. Th is eliminatesthe need to measure distancesand
changethe f-stopeachtime you movein relationto the subject.
www.butkus.usView original page 3Page 5 · Read text
I N S E R T I N G B A T T E R I E S
1. Slide the battery chamber cover down and open 3. Turn the power switch to ON, and in several
it by raisingits bottom part. secondsthe f lash-readylamp will light up. Press
2. Insertfour AA-size batteriesinto the chamber the test button, and make sure the f lashf ires. lf
with their (+) (-) sidesplacedexactly as indicated the f lash-readylamp does not light, the batteries
insidethe chamber.Closethe cover. may be loaded improperly or worn out. Be sure to
turn the switch of f af ter the test f lash.
www.butkus.usView original page 5Page 6 · Read text
use four AA-size batteriesmentioned below. . Battery performance tends to differ depending
Manganesebatteries upon brand and type. Best resultsare obtained
Alkaline batteries when high-performancealkalinebatteriesare used,
(You need RechargeableNi-Cd (nickel-cadmium)batteriesI Ni-Cd rechargeablebatteries
a battery recharger.) offer the advantageof shorter initial recycling
time and rechargeability,but give lessnumber of
flashesper charge.
1 o Replacebatteriesat the sametime. Do not mix
I o Remove batterieswhen not using the flash unit battery brands and types, or old batterieswith
for long periods of time. Batteriestend to leak if new batteries.
J tett too long in the unit and may causeserious
damage.
. Batteriesare very sensitiveto cold and
performance tends to deteriorate at temperatures
near f reezing.Performanceis restored to normal
as soon as batteriesare subject to room
temperatures.Keep a set of spare batterieswarm
r in your pocket when shooting in freezing weather
,o substitute when the others become cold.|
IIIView original page 6Page 7 · Read text
MOUNTING FLASH UNIT ONTO CAMERA
Slide the hot-shoebracketof the f lash unit into
the camera'shot shoe completely,then tighten
the thumb screwabove the bracket by turning it
to the direction of the arrow to f ix the bracket.
The f lashunit can be dismountedby f irst loosening
the thumb screw.
o lf the flash unit is not properly mounted, it does
f ire, but may not provide proper f lash sync. To
avoid this problem, alwaysmake sure that the I
mark appearsin the viewfinder,which indicatesthe
proper mounting of the f lash unit.
o When mounting or dismountingthe f lash,be
sure to do it while holding somewherearound the
hot-shoe bracket, not the f lash head, in order to
avoid any damage.
www.butkus.usView original page 7Page 9 · Read text
The AF200SA is an electronic flash designedto As soon as the flash has been fully charged,the
work with a programmed camera.As shown in the functions of the camera and lens are automatically
table below, it can be used in the Aperture-priority set as indicated in the table.
AE mode as well. *Set to f lash-syncspeed.
**Lens aperture is set to the programmed f-stop.
A3, A30OO, Super A, LX, Super Pragram, Exposu re Mode ME Super, X shutter speed Lens aperture Program A, Program ME-F,MG Plus
E P med A rogram *Automaticallyset * *Automaticallyset @ (Lens A"l set to "
re-priority Apertu AE o o *Automatically set Manuallyset (Lens set to any f-stop)
@ = Especiallycompatible O= Compatible
www.butkus.usView original page 9Page 10 · Read text
'..:: t ; . . l l , l . .aia , ISO FILM SPEED. APERTURE. F'LASH'RANGE D e p e n d i n g o n t h e I S O n u m b e r o f t h e f i l m i n u s e , Film Speed (lSOl Aperture (f) Flash Range a proper f-stop should be used as shown in the table. The f lash range (f lash-to-subject distance) is 25 2 f i x e d l y f r o m 0 . 8 t o 5 m ( 2 . 6 - 1 6 . 4 f t . ) . 50 2.8 o When the camera is set to the Programmed AE 100 4 0.8-5 m mode, the aperture is automatically set to the f-stop as shown in the table, depending on the f ilm 200 5.6 Q . 6 - 1 6 . 4 f t . ) speed. 400 B o In the Apertu re-priority A E mode, a proper 800 1 1 f-stop must be selected, according to the f ilm 1600 1 6speed, as shown in the table. o When using slow-speed f ilm like ISO 25, an f-stop near maximum aperture must be selected. With high-speed film like ISO 800, an f-stop near m i n i m u m a p e r t u r e m u s t b e s e l e c t e d , t h u s m a k i n g the depth of field greater.View original page 10
Page 11 · Read text
OPERATION
In ProgrammedAE mode In Aperture-priority AE mode
Make sure that the camera is set to the Programmed Make sure that the camera is set to the Aperture-
AE mode. Set the lens aperture to "A" ( A u t o . ) priority AE mode. Set the lens aperture to any f -stop
other than "A."
When ISO 100 film is used,set the aperture tof /4,
as shown in the table on page 7.
www.butkus.usView original page 11Page 12 · Read text
1. Turn the power switch to ON. When the f lash-readylamp on the f lash lights up, the f lash is ready to f ire. 2. The I mark also appearsin the viewf inder to indicate the flash is ready to fire. 3. Focus on the subject, then make sure that it is within the f lash range(0.8-5 m), and release the shutter. 4. Be sure to turn the switch to OFF after shootView original page 12
Page 13 · Read text
you can also use the AF200SA with any other Caution: lf the AF200Sa is used with any camera
non-programmedPentax camera that has a hot otner than Pentax, it may causemalfunction or
shoe on top of the pentaprism, as a conventional harm the electronic mechanism of the camera'
auto f lash.
1. Set the camera'sshutter speedto X (flash-sync
speed).
2. When using ISO 100 film, set the apertureto
f/4. With any other f ilm, set the aperture as
indicated in the table on Page7.
3. Whateverthe f ilm speed may be, the f lash range
is fixedly 0.8-5 m. Refer to the camera'soperating
manual as well.
www.butkus.usView original page 13Page 14 · Read text
F LASH-READYLAMP ( READY/TEST}
When the f lash-readylamp is on after the power
switch is turned on, you are ready to fire the flash,
but you had better wait a few secondsto f ire the
f lash,as it makes the f lash output more stable than
just after the f lash-readylamp is on.
Caution: lf you leavethe AF200SA switched on,
using it with the Pentax cameras(except A3 or
43000) in the table on page 6, the camera'smeter
stays ON as well, thus exhaustingthe battery power.
When the flash is not in use, be sure to turn the
power switch of the f lash to OFF.View original page 14Page 17 · Read text
Type: Clip-on type, automatic thyristor electronic flash, specifically designedfor use
with Pentax programmed cameras.
Guide number: 20 with ISO 100, in meters.
Flashduration: Auto, full flash output. 1l25OOsec. (112peakl;auto, shortest:1/15000 sec.
( 12 peakl.
Number of flashes Power source Recyclingtime Number of f lashesand Recycling time:
Manganesebatteries Approx. 10 sec. Approx. 60
Alkaline batteries Approx. 8 sec. A p p r o x . 2 0 0
N i-Cd batteries Approx. 4 sec. Approx. 90
Flash coverage angle: 65o horizontally;50'vertically(covers28mm lens).
Auto sensorangle: Approx.20"
Color temperature: Equivalentto daylight.
Auto flash range: 0.8-5 m (2.6-16.4ft.)
Compatible f ilm speed: rso 25-1600
1 4
www.butkus.usView original page 17Page 18 · Read text
Aperture auto set Film soeed Auto
f unction: lso 25 ft2
tso 100 fl4
tso 1600 f l 1 6
(Functions when used with programmed camera with its A-lens set to A.)
Sync and dedicated F lash-readyi ndication, autom atic shutter-speedsetting, slow shutter-
flash features: speed sync, autoinatic aperture setting.
Power source: Four AA-size batteries(1,5V x 4): Manganese,Alkaline or Ni-Cd.
Dimensions& weight: 6 2 ( W ) x 9 7 ( H ) x 5 8 ( D ) m m ; 1 8 0g .
Accessories: Case,AFW1 adapter (option), AFT1 adapter (option).
o Number of flashesis the averagenumber of flashesfired every 30 sec.with the flash-readylamp
lighted within 30 sec. Test made at 20'C. The number also differs from one brand to another.View original page 18Page 19 · Read text
o lf you take a f lash photo of two persons,one SAFETY PRECAUTIONS
very near and the other distant, in one picture o Becausethe f lash unit contains high voltage
frame, the near person tends to be overexposed. inside, never try to dismantle it.
So, in such a case,keep an extremely near subject o Do not leavethe flash unit in a hot or humid
out of the frame. place like in a car or near a heater. Do not give
o lf the subjectyou are shooting in placeslike vibration to the unit.
a theater is small, not in the center of the picture o Do not wipe the flash unit and its accessories,
area,and the central backgroundis black, it tends usinga solventsuch as thinner, alcohol,ether, etc.
to be overexposed. Wipe them with a soft cloth or silicone cloth.
www.butkus.usView original page 19From the M. Butkus archive. Original publisher and archive notices are retained.
Check the model and edition against your equipment.
PDF verified 2026-10-10.