Jan 12, 2024 #1 Borislav@87 Active member Joined Mar 20, 2022 Messages 400 Points 43 First test of the lens from Aliexpress with 1250mm focal length. I am very pleased with the result. https://a.aliexpress.com/_EIcit6N Attachments Screenshot_20240112_203249_com.android.gallery3d_edit_381480255240226.jpg 321.4 KB · Views: 14
First test of the lens from Aliexpress with 1250mm focal length. I am very pleased with the result. https://a.aliexpress.com/_EIcit6N
Jan 12, 2024 #2 Gryphon 0 Joined May 4, 2009 Messages 2,328 Points 113 Ill have to try that, I wouldn't mind being a bit further away from my target when using my array based lasers
Ill have to try that, I wouldn't mind being a bit further away from my target when using my array based lasers
Jan 12, 2024 #3 Borislav@87 Active member Joined Mar 20, 2022 Messages 400 Points 43 Gryphon said: Ill have to try that, I wouldn't mind being a bit further away from my target when using my array based lasers Click to expand... With my laser box 125W+. Very good results
Gryphon said: Ill have to try that, I wouldn't mind being a bit further away from my target when using my array based lasers Click to expand... With my laser box 125W+. Very good results
Feb 1, 2024 #4 A atomd Active member Joined Feb 27, 2023 Messages 155 Points 28 The longer focal length, the smaller the NA and the bigger the laser spot so smaller power density