Opticron MM3 Spotting Scope Eyepiece - Opticron

The Opticron MM3 is a high-quality zoom spotting scope eyepiece designed for compatibility with se...

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Wex Photo VideoOpticron Mm3 13-39X / 16.48X / 20-60X Spotting Scope Eyepiece 41164 41146
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Product Information

Full details

The Opticron MM3 Spotting Scope Eyepiece is a versatile zoom accessory designed for birdwatchers and outdoor enthusiasts using compatible Opticron MM3 and MM4 spotting scope bodies. This eyepiece delivers high-contrast imagery through its fully multicoated optics, providing a seamless transition between wide-field observation and high-magnification spotting. While it offers excellent versatility for varying field conditions, users should note that the magnification range is dependent on the specific spotting scope body utilized, requiring verification of compatibility before purchase.

All features

BrandOpticron

Extended Product Information

FAQs

Is this eyepiece compatible with non-Opticron spotting scopes?

No, this eyepiece is specifically engineered for compatible Opticron MM3 and select housing bodies.

Does the magnification change if I use it on a different scope body?

Yes, the magnification range is a product of the focal length of the scope body combined with the eyepiece; ranges vary between 13-39x, 16-48x, or 20-60x.

Can I wear my eyeglasses while using this?

Yes, the 17-14mm eye relief is designed to accommodate eyeglasses; keep the rubber eyecup in the down position for the best view.

What comes in the box?

The box includes the eyepiece and a protective dust cap.

How do I clean the eyepiece lenses?

Use a soft microfiber cloth and lens cleaning fluid designed for optics; avoid harsh chemicals or abrasive paper products.

Troubleshooting

Image appears blurry at high magnification

Ensure the focus knob on the spotting scope body is adjusted correctly; atmospheric heat haze can also distort images at high magnification.

Dark edges or vignetting

Adjust the position of the twist-up eyecup or check that your eye is centered directly behind the exit pupil of the eyepiece.

Pros and Cons

Pros

  • High optical clarity due to fully multicoated surfaces
  • Comfortable eye relief for prolonged observation
  • Versatile zoom range suitable for diverse wildlife viewing
  • Easy to attach and remove from compatible bodies

Cons

  • Magnification range varies strictly by scope model
  • Requires specific Opticron spotting scope bodies for compatibility
  • No zoom-lock feature for specific preset focal lengths

Setup, Compatibility & Care

To install the eyepiece, simply align the bayonet or screw-in mount (depending on the scope model) with the rear of the Opticron spotting scope body and rotate until it clicks or seats firmly into place. This eyepiece is officially compatible with the MM3 60, MM3 80 GA ED, and MM3 80 GA ED/45 models.

Care Instructions:

  • Always replace the included dust cap when the scope is not in use to protect the ocular lens from scratches and debris.
  • Clean the external lens surface only with a professional-grade lens pen or a clean microfiber cloth.
  • Store in a cool, dry place to prevent internal fungal growth on the glass elements.
  • Avoid touching the glass surfaces with bare fingers to prevent oil buildup.

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