Notice : Following contents of installation instruction are written, drawn and shot by ,and it's copyrighted by Focusing House. Welcome to browse on line and you are "NOT" permitted to copy the pictures and contents for making other uses

Pentax K1/K1II/K3/K5/K7/K10D/K20D/K30/K50/K70/ISTD/K-S1/K-S2/KP Focusing Screen Installation Instruction


~~Please prepare~~

1.Please prepare we send to your focusing screen and the accessories


3.The sweeps tool


~~Install procedure ~~

<P1>Install sample is Pentax K10D camera


<P2> White arrowhead is Attachment hook ~


<P3>This is the tool category that may present in screen package,If you BE order FSB/FSL/FSX will have A tool,order K3/F6X will have A+B tools,order Ec-X will have A+C tools


<P4> This kind of tool above of the point can use it to open frame lock


<P5>Can also clip focusing screen


<P6>Open the way can make reference <p6> explanation


<P7>Use the tweezers clip tightly a switch and push outwardly can also open screen lock


<P8>Have already opened now


<P9>Take out focusing screen carefully~


<P10>These steps are simple !!


<P11>Please store original focusing screen careful ~


<P12> This sample is K10D K3 focusing screen(Grid)


Please watch for focusing screen tab direction while installing (K3/K5/K7/K30/KP mounting tab at left side)

<P13> Please clip the focusing screen edge and put the inside of the camera. !!


Please confirm direction whether exactitude,<P14> k10d k20d focusing screen tab in the right,<P15> k5 k7 focusing screen tab in the left


<P16> Gently press up on the screen holder with the supplied tool until it locks in place. Or use a thumb operation can be also.


<P17>Please check the switch is fixs or not ....


<P18> This is the focusing screen that the viewfinder window sees (K10D/K20D)


<P19>This is the appearance which didn't focus. (K10D/K20D)


<P20>This is the focus appearance~^ ^ (Focus in the mouth)


<P21 P22 >This is the appearance which didn't focus,focus in the house (K5/K7)


<P23 P24 >This is the focus appearance ^ ^ (focus in the eye)




~~Manual focusing~~

Theoretically,if changing the focusing screen because matte face and split-image position is same so focus will not any change. A majority of the cameras is doesn't need to revised. If focusing beam to focusing screen matte face distance and focusing beam to cmos sensor distance has little difference, need to change distance correction. If their distance isn't equal,split-image screen in view window is obvious than original screen,it need to change distance correction.


Back Focus

Transparent pads is an revise accessories,If change focusing screen the camera manual focus is correct isn't need to use "transparent pads" .If use focusing screen manual focus is back (The focus distance is farther),you can use "Transparent pad " can revise back focus.


Front Focus

If pentax K1 K3 K5 K7 K30 K50 K-S1 K-S2 KP camera manual focusing is front (The focus distance is nearer) Please check focusing screen matte face is post a top or not,you can take out metals pad can revise .

please make reference to Pentax K1 K3 K5 K7 K30 K50 K70 K-S1 K-S2 KP focusing screen front focusing revise guide




1 . <p.14>&< p.15>On all sides darker is the relation that the dslr shooting viewfinder,Actually on all sides BE bright.

2 . Penatx camera change focusingscreen will not influence AF-Focus and focus point operate.

3. Penatx series DSLR focusing screen has some different,but install procedure homology.