Monport F-theta M85 70mm*70mm Replacement Optical Scanning Lens for Fiber Laser Engraver

• Material: K9, glass, plastic
• Working Wavelength: 1,064 nm
• Focus Length: 11.4" ( 290 mm )
• Incident Aperture: 0.5" ( 12 mm )
• Light Spot: 32 μm
• Operating Distance: 11.8" ( 299 mm )
• Thread Interface: M85x1
• Overall Dimension: 1.9" x 3.5" ( 49 x 88 mm )
• Net Weight: 0.68 lbs ( 310 grams )
• Package Weight：1.5 lbs ( 410 grams )

70x70mm FIELD LENS

This powerful F-theta lens from Monport is ideal for laser marking, engraving, image transfer, material processing, and cutting systems;It can move markings within a 11.8x11.8 inch work area, and can even perfectly complete any design you need.

HIGH TRANSMITTANCE

This field lens for 1064 nm lasers provides up to 99% throughput with negligible distortion thanks to its high transmittance and precision engineered borosilicate crown glass construction.

Precision Focusing

Our F-theta scanning lens meet fast positioning and precision focusing，so you can mark steel, aluminum, gold, etc. with consistent and precise light spots at any location within the 70x70mm lens range.

LASTING DURABILITY

This fiber laser lenses' double-sided multilayered coatings improve their natural optical properties ,and optimized the performance of the field lens.While also strengthening them against scratches and damage during daily use,prolong the service life.

EASY INSTALLATION

Easy installation, quickly replacing.Please confirm whether the size of the field mirror matches before purchasing. If unable to confirm, please contact customer service for consultation.

Intimate Service

After replacing the field lens with a different specification, it is necessary to perform calibration work again. Monport provides relevant tutorials to facilitate users in using the new field lens.