Midwest Optical Systems emails
Midwest Optical Systems sends about 1 email a week through Mailchimp, most often on Wednesday around 12 PM Eastern.
Early figures, based on 18 emails received from Mar 24 to Oct 21, 2026.
- ESP
- Mailchimp
- Emails a week
- about 1
- Busiest send time
- Wednesdays at 12pm ET
- Last sent
- 11 days ago · Oct 21
- Tracked since
- Mar 2026
- Emails collected
- 18
Recent emails
Oct 21, 2026 2:00 PM
🏆 MidOpt® Wins 2026 inspect Award for SiLWIR® Innovation!
Oct 7, 2026 12:16 PM
Stronger Protection for Thermal Imaging Systems
Sep 23, 2026 2:16 PM
See SiLWIR® Live at VISION Stuttgart | Booth 10F52
Sep 9, 2026 7:01 AM
The Filter Advantage: Get More From Your Machine Vision Lighting
Sep 3, 2026 1:46 PM
MidOpt Will Be Closed Monday, September 7
Recent subject lines
All subject linesSubject lines average 48 characters. Each one opens the email it came from.
| Picture | Sent (Eastern) | Subject | Preview text |
|---|---|---|---|
| Oct 21, 2026 2:00 PM | 🏆 MidOpt® Wins 2026 inspect Award for SiLWIR® Innovation! | 🏆 MidOpt® Wins 2026 inspect Award for SiLWIR® Innovation! Tougher Than Germanium. Built… | |
| Oct 7, 2026 12:16 PM | Stronger Protection for Thermal Imaging Systems | Stronger Protection for Thermal Imaging Systems SiLWIR® delivers more than 2X the… | |
| Sep 23, 2026 2:16 PM | See SiLWIR® Live at VISION Stuttgart | Booth 10F52 | See SiLWIR® Live at VISION Stuttgart | Booth 10F52 October 6-8 | Messe Stuttgart | Germany… | |
| Sep 9, 2026 7:01 AM | The Filter Advantage: Get More From Your Machine Vision Lighting | The Filter Advantage: Get More From Your Machine Vision Lighting See why optical filters… | |
| Sep 3, 2026 1:46 PM | MidOpt Will Be Closed Monday, September 7 | MidOpt Will Be Closed Monday, September 7 In observance of U.S. Labor Day. Shipping will… | |
| Aug 25, 2026 2:31 PM | Featured Filters for Industrial Imaging Applications | Featured Filters for Industrial Imaging Applications Compare popular filters and their… | |
| Aug 12, 2026 12:46 PM | How To Choose the Right Filter for Your Machine Vision System | How To Choose the Right Filter for Your Machine Vision System Improve image quality… | |
| Jul 29, 2026 10:17 AM | 850nm vs 940nm: Comparing Two of the Most Popular IR Filters | 850nm vs 940nm: Comparing Two of the Most Popular IR Filters Select the best filter for… |
Archive
View full archiveSeptember 2026 3 emails
View allSee SiLWIR® Live at VISION Stuttgart | Booth 10F52
Sep 23, 2026 2:16 PM
The Filter Advantage: Get More From Your Machine Vision Lighting
Sep 9, 2026 7:01 AM
MidOpt Will Be Closed Monday, September 7
Sep 3, 2026 1:46 PM
When Midwest Optical Systems sends
33% of its emails arrive in the 12 PM hour. Wednesdays are the busiest day.
| 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mon | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Tue | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thu | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Fri | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sat | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Sun | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Mon | Tue | Wed | Thu | Fri | Sat | Sun | |
|---|---|---|---|---|---|---|---|
| 12a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 3a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 8a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9a | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10a | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| 11a | 0 | 0 | 0 | 1 | 0 | 0 | 0 |
| 12p | 1 | 2 | 3 | 0 | 0 | 0 | 0 |
| 1p | 0 | 2 | 0 | 1 | 0 | 0 | 0 |
| 2p | 0 | 3 | 3 | 0 | 0 | 0 | 0 |
| 3p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 4p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 5p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 6p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 7p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 8p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 11p | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
FewerMore(busiest cell: 3 emails)
Based on 18 emails received from Mar 24 to Oct 21, 2026. Times in US Eastern. How we collect · When all brands send
How often Midwest Optical Systems sends
Complete months have run between 2 and 3 emails.
- Busiest month
- Jun 2026, 3
- Quietest month
- May 2026, 2
- Busiest day
- Wednesday, 8
- Quietest day
- Friday, 0
About Midwest Optical Systems
- ESP
- Mailchimp
- Sites
- midopt.com, midopt.us
- Tracked since
- Mar 2026
- Emails collected
- 18
- Emails a week
- about 1
- Last sent
- Oct 21, 2026
- Sends from
- marketing@
midopt.com - Subject length
- 48 characters avg
Counts include automated emails such as a welcome series.
Similar sending frequency
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|---|---|---|---|---|---|---|---|
 Abington Art Centerabingtonartcenter.org | Mailchimp | about 1 | Wednesday | Oct 28, 2026 | Mailchimp · about 1 a week · busiest Wednesday · last sent Oct 28, 2026 | ||
 Ancient Purityancientpurity.com | Mailchimp | about 1 | Tuesday | Oct 20, 2026 | Mailchimp · about 1 a week · busiest Tuesday · last sent Oct 20, 2026 | ||
| ACS Industrial Servicesblog.acsindustrial.com | Mailchimp | about 1 | Tuesday | Oct 27, 2026 | Mailchimp · about 1 a week · busiest Tuesday · last sent Oct 27, 2026 |
