Uploaded March 2026 | Updated September 2026, 2 weeks ago
The Sandmarc 48mm Tetraprism lens is a telephoto that you can add to an iPhone tele (5x, 4x or 8x depending on the model) that will double that focal length. In this video I test it out and compare it to ReeFlex and Shiftcam. (Note: I did not compare any Shiftcam footage in this video as my lens from them needs to be replaced)
🎥 Check out the LUT Packs and Film Grain:
geni.us/iPhoneLUTs
▶︎FEATURED GEAR:
Sandmarc Lens geni.us/ShopSandmarc
ReeFlex Lens geni.us/ReeFlexProLenses
Shiftcam Lens geni.us/Shiftcam240mm
Beastgrip Pro geni.us/QdB1
Beast Handle geni.us/EEylD
Quick release geni.us/ykJnW (Amazon)
SmallRig tripod geni.us/EXEyqaK (Amazon)
LEARN MOBILE FILMMAKING!
▶︎ Complete Guide to the Blackmagic App geni.us/BlackmagicCamCourse
▶︎ Smartphone Cinematography 101: geni.us/SmartCine101
▶︎ How To Make a Short Film Guide geni.us/DIYShortFilmGuide
▶︎ Complete Guide to Smartphone Audio: geni.us/SmartAudio101
🎬 My movie "Casey Makes a Mixtape" is NOW on Digital and Blu-ray!👇🏻
caseymakesamixtape.com
▶︎ FAVORITE Apps & Gear:
Blackmagic Cam (camera app) apple.co/3NQ4doM
LumaFusion (editing app) on iOS: apple.co/2zL3sJW
Smartphone Gimbal geni.us/BaAGD
Hybrid Gimbal geni.us/NmUCxt
Universal Camera Cage/Grip geni.us/QdB1
Tripod Mount geni.us/v3pto
Mini Tripod geni.us/DbUyG
Battery Pack geni.us/weBviG
Small LED Light geni.us/Baj8XIB
Camera Mount Mic geni.us/df8Tcb8
Moment Lenses geni.us/ShopMomentLenses
▶︎ MUSIC We Use (get 2 months free): goo.gl/RcMx4N
▶︎ EDITED with Adobe Premiere Pro geni.us/E1XrVk
Need more smartphone filmmaking gear ideas?
iphoneographers.tv/apps-gear
▶︎ JOIN this channel to support it and access cool perks:
youtube.com/channel/UC8Zxb0nqCebD3AZ4S6SmC-g/join
▶︎ CONNECT:
twitter.com/ifilmmakers
instagram.com/watchifilmmakers
facebook.com/iphoneographers
▶︎ SUBSCRIBE & listen to my PODCAST bit.ly/AlmostProPodcast
If you’re new here, this channel is about leveling up mobile and DIY filmmaking. I share tools, tips, and techniques to help indie filmmakers, YouTubers, and really anyone create better videos. I mainly use iOS, but most tips work on any smartphone – including Android.
CHAPTERS:
0:00 Intro
0:33 Lens overview
1:31 Lens size & weight
3:17 Lens accessories
4:07 Lens tests
4:41 Lens comparison
5:54 Wrap-up
Disclaimer: We use affiliate links from Amazon, B&H and more. As an Amazon associate, we earn from qualifying purchases, which helps support our channel - and it costs you nothing extra.
#iphone #filmmaking #cinematography
Thanks for watching!
©2026 Splashbox Studios
The Sandmarc 48mm Tetraprism lens is a telephoto that you can add to an iPhone tele (5x, 4x or 8x depending on the model) that will double that focal length. In this video I test it out and compare it to ReeFlex and Shiftcam. (Note: I did not compare any Shiftcam footage in this video as my lens from them needs to be replaced)
🎥 Check out the LUT Packs and Film Grain:
geni.us/iPhoneLUTs
▶︎FEATURED GEAR:
Sandmarc Lens geni.us/ShopSandmarc
ReeFlex Lens geni.us/ReeFlexProLenses
Shiftcam Lens geni.us/Shiftcam240mm
Beastgrip Pro geni.us/QdB1
Beast Handle geni.us/EEylD
Quick release geni.us/ykJnW (Amazon)
SmallRig tripod geni.us/EXEyqaK (Amazon)
LEARN MOBILE FILMMAKING!
▶︎ Complete Guide to the Blackmagic App geni.us/BlackmagicCamCourse
▶︎ Smartphone Cinematography 101: geni.us/SmartCine101
▶︎ How To Make a Short Film Guide geni.us/DIYShortFilmGuide
▶︎ Complete Guide to Smartphone Audio: geni.us/SmartAudio101
🎬 My movie "Casey Makes a Mixtape" is NOW on Digital and Blu-ray!👇🏻
caseymakesamixtape.com
▶︎ FAVORITE Apps & Gear:
Blackmagic Cam (camera app) apple.co/3NQ4doM
LumaFusion (editing app) on iOS: apple.co/2zL3sJW
Smartphone Gimbal geni.us/BaAGD
Hybrid Gimbal geni.us/NmUCxt
Universal Camera Cage/Grip geni.us/QdB1
Tripod Mount geni.us/v3pto
Mini Tripod geni.us/DbUyG
Battery Pack geni.us/weBviG
Small LED Light geni.us/Baj8XIB
Camera Mount Mic geni.us/df8Tcb8
Moment Lenses geni.us/ShopMomentLenses
▶︎ MUSIC We Use (get 2 months free): goo.gl/RcMx4N
▶︎ EDITED with Adobe Premiere Pro geni.us/E1XrVk
Need more smartphone filmmaking gear ideas?
iphoneographers.tv/apps-gear
▶︎ JOIN this channel to support it and access cool perks:
youtube.com/channel/UC8Zxb0nqCebD3AZ4S6SmC-g/join
▶︎ CONNECT:
twitter.com/ifilmmakers
instagram.com/watchifilmmakers
facebook.com/iphoneographers
▶︎ SUBSCRIBE & listen to my PODCAST bit.ly/AlmostProPodcast
If you’re new here, this channel is about leveling up mobile and DIY filmmaking. I share tools, tips, and techniques to help indie filmmakers, YouTubers, and really anyone create better videos. I mainly use iOS, but most tips work on any smartphone – including Android.
CHAPTERS:
0:00 Intro
0:33 Lens overview
1:31 Lens size & weight
3:17 Lens accessories
4:07 Lens tests
4:41 Lens comparison
5:54 Wrap-up
Disclaimer: We use affiliate links from Amazon, B&H and more. As an Amazon associate, we earn from qualifying purchases, which helps support our channel - and it costs you nothing extra.
#iphone #filmmaking #cinematography
Thanks for watching!
©2026 Splashbox Studios








