Eyepiece PENTAX XW 10 mm (2 cm) Black 70514 — wide-angle ocular for telescopes and binoculars

PENTAX XW 10 mm eyepiece (model 70514) is a wide-angle ocular designed for astronomical and terrestrial observation. With a 10 mm focal length it increases magnification when used with compatible telescopes or spotting scopes. The eyepiece incorporates multi-element optics and is finished in black. It is intended for visual astronomy, birdwatching and long-range observation and provides comfortable eye relief for sustained viewing sessions.

Advantages

This eyepiece offers a wide apparent field of view and optical design that reduces aberrations for clearer images across the field. Its 10 mm focal length delivers higher magnification on suitable optical instruments. The multi-element construction and attention to eye relief improve viewing comfort during extended use. The black finish and standard barrel dimensions make it compatible with many telescope and binocular setups.

Suitable for

• Astronomical observation with compatible telescopes
• Terrestrial spotting and long-range viewing
• Birdwatching and nature observation
• Amateur astrophotography visual checks and focusing

Key specifications

• Focal length: 10 mm
• Type: wide-angle eyepiece
• Optical design: multi-element optics
• Finish: black
• Intended use: visual astronomy and terrestrial observation

How to use

Insert the eyepiece into the focuser or diagonal of a compatible telescope or into the eyepiece holder of a spotting scope according to the instrument's instructions. Secure the eyepiece with the focuser or clamp, then adjust the telescope focus until the image is sharp. Position your eye at the eyepiece to make use of the provided eye relief; adjust seating or head position to obtain the full field of view. For best results, perform collimation and focus adjustments before prolonged observation.

Usage recommendations

Use the eyepiece with telescopes or spotting scopes that accept its barrel size and are suited to a 10 mm focal length to achieve the expected magnification. Clean optical surfaces with a soft blower and lens tissue; avoid harsh solvents. When transporting or storing, keep the eyepiece in a protective case to prevent dust and mechanical damage.