# Opt lasers or Jtech

**URL:** <https://forum.onefinitycnc.com/t/opt-lasers-or-jtech/8991>\
**Category:** J Tech Laser\
**Created:** [November 17, 2021, 3:49pm UTC](https://forum.onefinitycnc.com/t/opt-lasers-or-jtech/8991 "2021-11-17T15:49:22Z")\
**Posts on this page:** 1\
**Showing post:** 15

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**Author:** ![pZq](https://avatars.discourse-cdn.com/v4/letter/p/e0b2c6/32.png) [@pZq](https://forum.onefinitycnc.com/u/pZq)\
**Post date:** [October 17, 2022, 5:51am UTC](https://forum.onefinitycnc.com/t/opt-lasers-or-jtech/8991/15 "2022-10-17T05:51:08Z")

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I forgot to mention that i dont have OF controller. I use planet-cnc which can output up to 500khz frequency.

I have been engraving with up to 15meters/min feeds but lately at around 8m/min.

As said the owm frequency helps how fast you can engrave or the dot size per pwm pulse. But what comes in OF frequency i dont know the MAX.

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