KA Y'rJ::,; ~ -----... ,.----u :;J:~wm~ KA mount

71\7'-( ~}a~____,

1.4X-S Body side index

1.4X-L

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K 7CJYt---O)n~scLI~~~mc7J.~ott~e:

rm nx ~RIJ -Yt, § IJJ~ 'J n':i!! 111 u *-g-o IJ y :J ~ )\- -:5'- A 0) s -5'-{ -:iO)Uf!ffl~ p If~ L;

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A~ IJ y :J :::_., ) \ - -:5' - C:: ·~ u * -g- 0

Lens information contacts

"-----D,~?Jt\9:; Lock button

,___ __ u:;AifVJm~ Lens side index

2X-S

2X-L

Pentax Rear Converters allow 1 .4X (w/ 1 .4X-S or - l) or 2X (w/ 2X-S or - l) increase of the focal length and f - number of the lens in use when this converter is mounted between the lens and camera body . These converters have lens information contacts, which enable all AE programs on Pentax KA- or KAF- mount camera to operate with Pentax compatible lens. When combined with Pentax K- mount camera and compatible lenses, open aperture metering and automatic aperture are coupled. The tables on next page show lens's incompatibility with Rear Converter S-type and compatibility with Rear Converter L-type.

* For the purpose of this Operating Manual, the Rear Converter referred to is the Rear Converter A.

• s ~ ~ 7(]) I) 7 :::J /1'\-, -ffffl~RJfiE v / X ~la0SMC~/~~~~~~x~*~~~~m~~!~o

• Unusable lenses with S-type Rear Converters

Combine the SMC lenses not listed below with S-type Rear Converters.

{fM~iiJfti*.I­Condition

~*·.ll: (Jtt I) 1tlt ~.tl*t! /vJ Unusable (Cannot be combined)

iii iii [lg ~ h t: ?-7 ~IJ<tfj Q Vignetting at

• picture corners

1. 4 x-s

15mm, A15mm, 18mm M~-A24-35mtn (Zoom)

F*300mrnED (IF) , A· M400mm A* 400mmED (IF) , 500mm A* 600mmED (IF), F*600mmED (IF) 1000mm, A *1200mmED (IF) v 7 1 OOOmm (Reflex) v 7 2000mm (Reflex) F* ~-A250- 600mmED (IF) (Zoom) ~-A 135-600mm (Zoom) A *7 -:J D200mmED(Macro)

2 X-5

15mn1, A15mm M~-A24- 35mm (Zoom)

F*600mmED (IF) F* ~-A250- 600mmED (IF) (Zoom)

* *-B-ft~Jl: ld:, v ::_;~I~ t -- I) I L:Jf~ I) 1t It -8 c , ~t~~ -Q~tlfi\c;s I) *~ o

Never combine with unusable lenses. Otherwise damage may result .

• L ~ '( 7.(]) IJ 7 ::J ~.,,_ -7 -~JlEfi% v / X ""F left(]) SM C ~ ~ ~ ·:~ 7 ~ ~ ~:At:. -rim "'t" ~ 1 ~ o ~ J;_.! *0) ~ ~X~ M * ll:.o

• Usable lenses with L-type Rear Converters

Only combine the lens listed below with L-tvoe Rear Converters.

Otherwise, damage may result.

1.4 X-L

A *300mmED (IF) A*400mmED(IF) A *600n1mED OF) F*600mmED(IF) A* 1200mmED (IF) F* .:;(-A250- 600mmED(IF) (Zoom) A * 7 -:J D200mmED (Macro)

A400mm, 500mm lOOOmm

2 X-L l

A *300mmED (IF) A* 400mmED (IF) A *600mn1ED (IF) F*600mmED(IF) A*1200mmE.D(IF) F* .:;(-A250-600mmED (IF) (Zoom) A* 7 -? o 200mmED (Macro)

A·M400n1m 500mm, 1 OOOmtn .:;(- A135- 600mm (Zoom)

(Remarks)

1I 11:. (J) ED 5 -1' 7 · (]) v ::.; ~ I L: Ut! ~ e: rm Jik~ IJ n" ~ M'titi~ n' i~ ~ .tl*~ o

If used with the ED type lens indicated at left even with the aperture wide open , better results will be obtained.

1

2

3

*

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In tatlation The installation procedure is similar for all

of Rear Converters. 1 . Remove the lens from the camera . Attach the

Rear Converter to the camera body by following the same procedure used for mounting the lens.

2. Similarly, attach the lens in use to the Rear Converter. When combining with a large-sized lens, first the converter can be attached to your lens, then the lens/ converter combination to the camera body .

3. To remove the lens, rotate the lens counter­clockwise while pressing the lock button on the Rear Converter. * To remove the large-sized lens from the Rear Converter, rotate the Rear Converter counterclockwise while pressing the lock button on the Rear Converter. Remove the Rear Converter from the camera body by following the similar procedure used for lens removal .

Caution: • The Rear Converters have lens information

contacts on the mount side . Do not damage or stain the lens information contacts. If this occurs, wipe them gently with a clean, dry cloth.

~JfiJ:.(J)j~-

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Precautions for use 1. With the Rear Converter 1 .4X or 2X, the

lens's focal length will grow 1 .4 times (wl 1, 4X-S, -L) or 2 times (wi 2X-S, -LL and the actual aperture becomes one or two stops smaller. Using the high speed film is recommended to avoid camera shake.

2 . The Rear Converters can be used even with the lens aperture fully opened. However, stopping down one or two stops allows you to obtain better results . Picture quality may deteriorate when using with the f/ 2. 8 or faster lens, or zoom lens (specially in the macro mode) . If this is the case, stopping down two or more stops will provide better results .

3 . Even when shooting outdoor scenics at a distance of infinity, focus through the viewfinder.

4 . The depth of field becomes shallower by one f-stop when the 1 .4X is used, and two f-stops with the 2X. For example, when the lens is set to fl 8 with the 1 .4X used, the depth of field reduces to as shallow as when the lens is set to f l 5.6, and with the 2X, as shallow as when set to f I 4 .

5 . Even when the Hear Converter is combined the distance scale on the lens can be used normally to measure the distance .

,

6 . When the microprism in the viewfinder becomes dark for focusing due to the lens's smaller aperture or for some reason , focus through the matte field .

7. Rear Converter can only be used singly : more than one Rear Converter cannot be combined with the lens due to its optical performance. AF Adapter 1 . 7X cannot be combined with the Rear Converter.

8 . When the Rear Converter is combined with KA-mount camera (Super-A, Program-A) and A- lens (A position), the LCD aperture indicator in the viewfinder indicates the f-number of the master lens in use . However, proper exposure can be obtained thanks to the TTL metering system .

9 . When using the Pentax dedicated auto flash unit in the external metering auto mode, the aperture should be opened one stop more for 1 .4X-S and -L type, two stops more for the 2X-S and -L than the f-number indicated by the aperture scale on the flash unit. The external metering auto mode does not function when the aperture ring on the SMC Pentax A or F lens is set to "A" (auto) position. Select an appropriate f I number by releasing the ring from the locked "A" position .

1 0 . If the Rear Converter is mounted between the I<AF-mount camera and F lens, the auto focus does not function .

11 . If the f -number is smaller than fl 5 . 6 with the master lens and Rear Converter combined, the focus indicator in the viewfinder does not operate. For example, if ( 200mm fl 4 J+ ( 2X-S) = (400mmfl 8) , the

resulting f-number is fl 8 , disabling the focus indicator to function properly.

Note: Though the Rear Converters allow the increase of magnification of the lens, they are not primarily designed for close-up photography . Using them for close-up photography is not recommended .

- -

11 / 90 Printed in Japan

•

•• 1.4X-S I ' 2 X-5 1.4X -L 2 X-L 1±. ' '

f:g: ~ 1. 41:g: 2 f:g: 1.4-ffl 2 1:g:

L; :::.;~f14fiX: 4M 5 tx 6lW7lX 5 M 5 'x 5 M6~

* e c [ y ~ :::..; r- ra~ *c) 64 . 5 x 21 . 5mm 64.5 X39mm 65 .5 X 28 .5mm 65. 5X 63mm

c 145g 210g 175g 255g

=:J - T -( :::,_; !J" SMC:::J -T-1 :::.;:J

~ I) • iftiJ J't 1J ):\ § 111~ 1 J • ~ Jix iltiJ J't

-y~:::.; r- ""~-5 'Y !J .AKA "Y ~ ~ 1--- [K-y ~ ~ 1--- (C U ~ ~11f$G1t!.?:1-f")

~mu ~~ SMC" :::..;-5 'Y-? :A Lt ~~[A, F, M u ' ~)ifiA~~BB ,;../ p ~ .... . ll.

Rear Converter A Specification =

Type 1.4X-S 2X-S 1.4X-L 2X-L

Specificati~ -

Magnification 1 .4 times 2 times 1 .4 times 2 times

Lens construction 4-5 6-7 5-5 5-6 (Group-element)

Length (mm) 64.5 X 21 .5 64.5 X 39 65 .5 X28.5 65.5 X63 .

Weight 145g 210g 175g 225g

Coating SMC coating

Diaphragm/ Metering system Automatic-diaphragm/ Open-aperture

Mount Pentax KA-mount (lens information contacts with K-mount)

Usable lens SMC Pentax A-, F-, M-Iens. See the table.

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTIFICATION OR ANY OBLIGATION ON THE PART OF THE MANUFACTURE .

• ~~'57·Y?A7~-,La ,.183 ~::.t'9•JI?A 7~-,La·=":· ,.5t2 • a!t-~A 1!/ 9- ,.,04 4L lt!t-~Ai!::.t>5J- ,.CXIO til 8!t-~A1!/9- ,.880 • 1!/ 9= • 1!/ '9- -rat • ll!t'-~Atz/'57- ,.GO 8i5at:t-~A 1!/9- ,.4111

(t.U) II CXI<348>2841 Ut> II (8(271 )SIB) II extc:&71.,(f't)

• 118~~~" 11011 C241)1742<ft> .....

• ft!t-~Att::.t-57- Tl20 ....... 788112MJ ~·~lv 110782C22JCii01 <ft> II (8(271 )1811e(ft) 11082<248>4321 ( f't)

* 1!::-t9- ,. 7111~ rli tt::~9- ,.730 :1(_·-u~m•~'v • ~~A 1!::-t-9· ,.810 ........ _ _ ..:.__,.104

ti092C281 II 03(5]2)8479

• s•·Jiaa!tcf;C1~-~~~c!:t... 1:~-lJ. l!I:!L.,, •••~~••t!"\:..-9•!1? .A:J::~r ·-~.1'....( "\:..-'9•.!/?.:A 1184!~1!J¢.

A 1.4X-S

A 2X-S

A 1.4X-L

•

A2X-

•

5 lenses, 4 groups Length: 21.5 mm Diam.: 64.5 mm Weight: 145 g

7 lenses, 6 groups Length: 39 mm Diam.: 64.5 mm Weight: 210 g

5 lenses, 5 groups Length: 28.5 mm Diam.: 65.5 mm Weight: 175 g

6 lenses, 5 groups Length: 63 mm Diam.: 65.5 mm Weight: 225 g

Steen G. Bruun, August 2013

- AfADAPTER 1.7X .., ... the SP y

m con · · 1<- and KA- . le Into Uor • I mum rtwe of , or • h n au~ of pproximattf)'G.l~ The

nsth ofth i nd :omt: t·

J~Jiy compensates he new

Rear Converters

PINT AX RW CONVUTIR-A 1.4X·S

PINT AX Wit CONVIRTIR·A 2X·S

PINT AX RW CONVIRTIR·A 1.4X·L

PINTAX RW CONVImR-A 2X·L

•

A Lmaa Usable in SFX/SF7 s AF Mode Using SMC Pmtax·F AF Adapter 1.7X

tC Pmtax·A fish.Eye 16mm 112.8 ~fC Pmtax·A 20mm f/2.8 MC PC1\t.a ·A 24mm (/2.

:..."tC ~t.a ·1\ mm rJ2 SMC Pmt:ax·A 28mm fJ2.8 s.\IC Pmtax·A 351Nn fJ2 5.\IC Pftlta.x·A 3Smm flU 5.\iC Pmtu·A 50mm fJ12 SMC Ptntax·A SOmm f/1.4

C PC1't.a ·A 50mm (Jt7 SMC P~t.lx·A 50mm U2 g.1c Pent.IX·A· 8Smm Ut4 M I'm ·A JOOmm fJ2.B

C P~ ·A· Jl5mm ULB SMC ~tax·A Jl5mm fJ2.B

.f.C ~tax·A· 200mm fi2.8ED SMC Pft\tax·A· 300mm lf2..8BDUF1 SMC • 400mm !12.8EDIIF)

NNUMM 1 lU n b a PIHNMM &I cunera body and taklng

MM 1.8-L t ~M' Vl2rt MM 214 In tho f(i liv loW ....,.- o lens .. The two 1.4X models boost the

1 nath by and n ly doub th 1M

th t 2X ubl t toe I • S mod flt SMC Pen tax lenses the

L ne!d for t~~ oto and uper.t I t t ln out th ir pi mum

pedormann!.All rear converters n be with ut m tic control nd o~·aperture JJpt

n •