Yes, the Samyang/Rokinon 135 f2.0 lens is in Pentax mount...: Pentax SLR Talk Forum: Digital Photography Review
![Re: Wide fields with Pentax K-1 Mark II and Samyang 135 (astro-tracer): Astrophotography Talk Forum Forum: Digital Photography Review Re: Wide fields with Pentax K-1 Mark II and Samyang 135 (astro-tracer): Astrophotography Talk Forum Forum: Digital Photography Review](https://2.img-dpreview.com/files/g/TS560x560~4014102.jpg)
Re: Wide fields with Pentax K-1 Mark II and Samyang 135 (astro-tracer): Astrophotography Talk Forum Forum: Digital Photography Review
![Anyone use the Samyang 135mm for astrophotography? -- Astronomy & Celestial Talk in photography-on-the.net forums Anyone use the Samyang 135mm for astrophotography? -- Astronomy & Celestial Talk in photography-on-the.net forums](https://farm2.staticflickr.com/1701/24660006245_7eed664b54_b.jpg)
Anyone use the Samyang 135mm for astrophotography? -- Astronomy & Celestial Talk in photography-on-the.net forums
![Wide fields with Pentax K-1 Mark II and Samyang 135 (astro-tracer): Astrophotography Talk Forum Forum: Digital Photography Review Wide fields with Pentax K-1 Mark II and Samyang 135 (astro-tracer): Astrophotography Talk Forum Forum: Digital Photography Review](https://live.staticflickr.com/65535/49308906822_352b8041a4_k.jpg)