How the Polaroid SX-70 Flash Mechanism Works - Feat. Mint Flashbar review

Wondering if the MiNT Flashbar as underpowered as Reddit would have you believe?

Confused as to how the SX-70 functions during a flash exposure?

Getting over or under-exposed flash photos constantly?

If you ever found yourself asking these questions, then this video is for you!

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Chapters:
00:15 - Intro. Why MiNT sent me a flashbar.
02:49 - What this video will cover
05:12 - What is the MiNT Flashbar
10:43 - Unboxing The Flashbar 2.0
15:02 - Features of the 2.0
17:01 - MiNT - please relabel the flash settings
19:44 - Battery drain? On the subject of batteries.
23:40 - Final thoughts on the MiNT Flash bars
27:12 - Oh yeah... the Kratax batteries
29:17 - Underpowered flash?
30:20 - How flashes work
32:11 - Lets dive into the flash aperture mechanism
34:14 - How an ambient exposure works
36:58 - How a flash exposure works
38:58 - The Flash Cam Follower assembly
46:20 - Real-time demonstration
47:58 - Adjusting the cam follower
49:24 - Correct aperture shapes at 10" distance
50:34 - What happens when it is incorrectly calibrated
53:34 - Fill Flash
58:12 - Testing flash
1:00:19 - Summary
1:01:10 - On the subject of the SLR680
1:02:25 - Alternatives
1:04:44 - SX-70R PCB - manual flash aperture
1:06:23 - f8 flash mod

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Getting artifacts in the video? For best quality, manually select 1080p quality, as depending on your bandwidth, YouTube may default to 720p - and YouTube's 720p compression looks like garbage


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If you like this, then watch these:

A full teardown and overhaul of an SX-70 - emphasizing the importance of refurbishing your camera:
   • Fully overhauling a Polaroid SX-70 - ...  

The SX-70R PCB:
   • SX-70R - A Bluetooth PCB for full man...  

SX-70 vs 600 (and i-Type) film - a deep dive!:
   • SX-70 vs 600 film: Why the debate you...  

The PolaVolt:
   • The PolaVolt: a newer, even better i-...  


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