Funny astronomy t-shirt – What the F-Ratio design
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 2
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 3
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 4
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 5
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 6
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 7
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 8
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 9
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 10
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 11
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 12
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 13
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 14
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 15
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 16
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 17
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 18
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 19
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 20
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 21
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 22
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 23
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 24
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 25
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 26
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 27
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 28
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 29
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 30
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 31
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 32
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 33
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 34
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 35
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 36
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 37
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 38
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 39
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 40
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 41
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 42
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 43
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 44
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 45
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 46
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 47
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 48
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 49
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 50
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 51
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 52
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 53
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 54
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 55
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 56
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 57
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 58
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 59
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 60
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 61
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 62
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 63
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 64
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 65
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 66
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 67
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 68
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 69
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 70
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 71
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 72
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 73
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 74
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 75
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 76
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 77
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 78
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 79
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 80
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 81
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 82
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 83
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 84
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 85
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 86
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 87
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 88
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 89
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 90
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 91
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 92
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 93
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 94
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 95
What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds - Image 96
,

What the F-Ratio?! – Funny Astronomy T-Shirt for Telescope Nerds

Price range: $22.49 through $27.49

Grab it now — your telescope won’t compliment you, but this shirt will!

SKU: N/A Categories: , Tags: , , , , ,

What the F/Stop?!

If you’ve ever explained focal ratio to someone at a star party and their eyes glazed over — this shirt is for you.

Whether you’re into fast scopes, deep-sky imaging, or just love a good double-meaning, this is your new favorite shirt.

Details:

  • Super-soft Bella + Canvas or Gildan Softstyle options

  • Unisex fit — true to size and lightweight

  • Perfect gift for telescope nerds, backyard astronomers, and optically inappropriate people

Great for outreach nights, nerd conventions, or silently judging someone’s f/12 Mak.

 

Weight N/A

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Size Chart

Size Chart (in inches): S Width: 18 Length: 28 Sleeve: 8.23 Tolerance: ±1.5 M Width: 20 Length: 29 Sleeve: 8.50 Tolerance: ±1.5 L Width: 22 Length: 30 Sleeve: 8.74 Tolerance: ±1.5 XL Width: 24 Length: 31 Sleeve: 9.02 Tolerance: ±1.5 2XL Width: 26 Length: 32 Sleeve: 9.25 Tolerance: ±1.5 3XL Width: 28 Length: 33 Sleeve: 9.49 Tolerance: ±1.5

Related products