FAQs - By Product

[Question] Is there any information about an optional tele conversion lens (GT-1)?

The GT-1 is the tele conversion lens specially for the GR DIGITAL II , GR DIGITAL.
In order to use the GT-1, the optional hood and adapter (GH-1) is required.
You can take a picture at x 1.43 of the lens magnification (40 mm: 35mm filmcamera eqivalent)

In order to use the GT-1 with GR DIGITAL, a firmware update is required.

Main Specifications:

Items Specifications
Zoom 1.43 x
Lens structure 4 glass elements in 2 groups
Size Maximum diameter 61.0 mm x full length 30.93 mm
Weight Approx. 140 g
Screw shape Diameter 37 P0.75 (length 4.6 mm)


  • You cannot use both the GT-1 and a filter, or the hood of the GH-1 at one time.
  • When you use the GT-1, you cannot use the internal flash.
  • If you use an external viewfinder with the tele conversion lens or the hood, more vignetting will appear.

For mounting instructions, please consult the GT-1 User's Manual that come with the GT-1.
For cautions, or care of the camera, please consult the GT-1 User's manual and the camera user guide.
Answer ID:EDCG07029
Date created:February 6, 2008
Date modified:--
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