# mk1 vs mk2

<table border="1" id="bkmrk-feature-mk1-mk2-filt" style="border-collapse: collapse; width: 100%;"><tbody><tr><td class="align-center" style="width: 33.3333%;">**Feature**</td><td class="align-center" style="width: 33.3333%;">**mk1**</td><td class="align-center" style="width: 33.3333%;">**mk2**</td></tr><tr><td style="width: 33.3333%;">Filter mount</td><td style="width: 33.3333%;">adhesive tape (top)

</td><td style="width: 33.3333%;">adhesive tape (top or bot)</td></tr><tr><td style="width: 33.3333%;">USB Cable lock screws</td><td style="width: 33.3333%;">No

</td><td style="width: 33.3333%;">Yes</td></tr><tr><td style="width: 33.3333%;">Soldering required</td><td style="width: 33.3333%;">Yes

</td><td style="width: 33.3333%;">Yes</td></tr><tr><td style="width: 33.3333%;">Design</td><td style="width: 33.3333%;">Initial

</td><td style="width: 33.3333%;">Partial redesign

</td></tr><tr><td style="width: 33.3333%;">Swiss-Arca mount</td><td style="width: 33.3333%;">No

</td><td style="width: 33.3333%;">Optional (top/bot)

</td></tr><tr><td style="width: 33.3333%;">Mount</td><td style="width: 33.3333%;">¼” 20TPI (bot)

</td><td style="width: 33.3333%;">4x M3 (top/bot more flexible design)

</td></tr><tr><td style="width: 33.3333%;">PCB mount</td><td style="width: 33.3333%;">Salvaged self tapping scres

</td><td style="width: 33.3333%;">M1.6 screws (easier to mount)

</td></tr><tr><td style="width: 33.3333%;">Integrated tripod mount</td><td style="width: 33.3333%;">Yes

</td><td style="width: 33.3333%;">No

</td></tr><tr><td style="width: 33.3333%;">USB pcb mount</td><td style="width: 33.3333%;">Sideways

</td><td style="width: 33.3333%;">Straight

</td></tr></tbody></table>