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4-ENGLISH

 

Product list

The product names and model numbers of the projection lenses covered by this manual 

are as follows.

Product name

Model number

Fixed focus lens

ET-ELW21

Zoom lens

ET-ELW20 / ET-ELT22 / ET-ELT23

 

Supported projectors

PT-MZ770 / PT-MW730 / PT-MZ670 / PT-MW630 / PT-MZ570 / PT-MW530 / PT-EZ770 / 

PT-EW730 / PT-EX800

Note

 

z

This manual omits the alphabets at the end of projector model numbers.

 

z

Models other than the above may also be supported. Refer to the operating instructions of 

the projector you are using.

 

Supplied Accessories

Make sure that the following has been provided.

Part name

Appearance

Lens cover

1 each for front and rear

Spacer

(T0SAS0001--)

 (Colors: black, cream, clear)

4 each

 

z

The product is delivered with a 

lens cap attached.

 

z

The shape and size of the lens 

caps are different for each product.

Before replacing the projection lens

Return the projection lens to the home position before replacing or removing it.

For details on how to return the lens to the home position, refer to the operating 

instructions of the projector.

Attention

 

z

Make sure that the projector power supply is switched off before attaching or detaching the 

projection lens.

 

z

After removing the projection lens, store it safely away from vibration or impacts.

 

z

Do not touch the electric contact points of the projection lens with your fingers. Dust and dirt 

on the contacts may cause contact malfunctions, while static electricity may damage the unit.

Attaching / removing the projection lens

Before Use

Summary of Contents for ET-ELW21

Page 1: ...operating instructions supplied with the lens and the projector carefully Before using this product be sure to read Read this first Page 3 Please save this manual for future use ET ELW21 ET ELT22 ET E...

Page 2: ...tion lens 4 Attaching the Lens Detaching the Lens 5 Making Adjustments 5 Correcting the Focus 5 Projection relationships 7 Lens shift ranges 8 Specifications 10 Dimensions 10 Projected image size and...

Page 3: ...be sure to turn off the power and disconnect the power plug from the wall outlet z z Unexpected projection of light may cause injury to eyes z z Replacing the projection lens without removing the pow...

Page 4: ...T0SAS0001 Colors black cream clear 4 each z z The product is delivered with a lens cap attached z z The shape and size of the lens caps are different for each product Before replacing the projection l...

Page 5: ...al point Procedure for correcting the focus Attention z z Turn off the projector before removing the projection lens Note z z Focus correction requires some technical skill Be sure to have a person wi...

Page 6: ...z z Remove the lens mounter from the projector and insert the spacers in the positions that correspond to the unfocused areas z z The just focus points of the areas for which you inserted spacers wil...

Page 7: ...istance LW Minimum distance LT Maximum distance L1 Lens protrusion dimension SH Image height H Distance from the lens center to the lower edge of the projected image SW Image width SD Projected image...

Page 8: ...MZ770 PT MW730 PT MZ670 PT MW630 PT MZ570 PT MW530 PT EZ770 PT EW730 PT EX800 refer to Setting up in the operating instructions of the projector Perform the lens position shift within the adjustment...

Page 9: ...width H 0 1 H 0 1 H Image height V 0 5 V Standard projection position Note z z Lens shifting cannot be performed when a fixed focus lens model no ET ELW21 is attached z z The home position of the pro...

Page 10: ...xed lens Short zoom lens Long zoom lens Ultra long zoom lens F value 2 0 1 8 to 2 3 1 8 to 2 3 1 8 to 2 3 Focal Length f 13 05 mm 20 4 to 27 6 mm 45 6 to 73 8 mm 73 9 to 117 1 mm Dimensions 1 Width 10...

Page 11: ...Dimensions continued Model number Dimensions ET ELW20 196 7 23 32 fully extended 116 6 17 32 ET ELT22 197 7 24 32 fully extended 108 4 1 4 88 5 3 15 32 ET ELT23 196 7 23 32 fully extended 108 4 1 4 88...

Page 12: ...Information on Disposal in other Countries outside the European Union This symbol is only valid in the European Union If you wish to discard this product please contact your local authorities or deal...

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