Raynox DCR Series conversion Lens

DCR-1850PRO Telephoto 1.85x

 Bringing a distant object really very close  










The model DCR-1850PRO PRO-Telephoto conversion lens is designed to bring distant objects up close when attached to the lens of digital still camera. It can be mounted direct onto 52mm front filter thread of camera's lens. For suitable size of threads, please see the reference table located bottom of this page.
The telephoto lens is made of precision ground hi-index optical glass elements and all surfaces are fully coated for an optimum image quality and maximum light transmittance.

There will be no reduction of light value (F.Number) when this conversion lens is attached on the camera's lens.

Production discontinued. 2007

To comparison images

Black model
Black Model

  Specifications & Measurements
  Magnification Nominal 1.85x
Actual 1.85x/Diagonal, 1.85x/Horizontal
  Lens construction 3-group/3-element, Coated optical glass elements
  Front Filter thread None
  Mounting thread 52mm
  Dimensions 57mm x 85mm
  Weight 265g(9.3oz)
  Accessories Lens pouch, Lens caps, Instruction manuals

DCR-1850PRO lens is designed for use with 6x or less zoom capability lenses and it can not be used with 7x or higher zoom lens incorporated digital still cameras or camcorders.

Cross reference table
Enlarged corner image taken with DCR-1800. Enlarged corner image taken with DCR-1850PRO.

Digital zoom image quality vs DCR-1850PRO Optical image quality

An enlarged image taken with Digital Camera
at most telephoto zoom.

An enlarged image taken with Digital Camera
+ DCR-1850PRO.


DCR-1850PRO was designed to use at most Telephoto position of  camera's zoom lens.

* When using DCR-1850PRO on SONY DSC-F707 camera set the camera's F stop slower than F5.6.(F5.6/F6.3/F7.1/F8.0)
Taking an image when the camera's aperture opening of F5.0 or faster than F5.0 may increase blue color aberration or an appearance of soft focus on image. Raynox RA5258A adapter ring is required for mounting onto the camera.

**When using DCR-1850PRO on OLYMPUS E-10/E-20 cameras it will result darkening corners of the image. Set the camera at Conversion Lens mode when using Auto Focus or set the focus mode at Manual for accurate focusing.
Raynox RA5262A adapter ring is required for mounting onto the camera.
*** DCR-1850PRO may cause vignetting image( darkening one or more corner of the taken image )when used with this model.

Exposing the conversion lens to a warm atmosphere in an instant way from the cold area may create some dew on and inside the lens. When it happened inside the lens, keep the lens in a dry area till the dew disappear before using. Repeating such may leave dirt spot - (mildew) and affect the image.
All of Raynox conversion lenses are proudly made in Japan. At our owned manufacturing subsidiary, every stage of production is rigorously checked and tested so that the lens elements compensate effectively for astigmatism, distortion and spherical aberration.... for an excellent image quality.
The lens is neither made for dust-free nor moisture/water-proof.
RAYNOX® is the registered trademark of Yoshida Industry Co., Ltd. Tokyo. Other brand names and the models are the trademarks of their manufactures or their subsidiaries and may be registered in certain jurisdictions.