The best replacement for 40mm is 50mm scope.

The best alternatives to 40mm are rated as following:
★★★★★  50mm scope
★★★★  50mm
★★  50mm rifle scope
★★  35mm
★★  50mm drivers
★  50mm lens
★  50mm 1.4
★  50mm 1.8
★  45mm
★  35mm canon
★  50mm objective
★  32mm waste
  50mm rifle scopes
  44mm
  16 35mm
  37mm
  35mm lens
  50mm nikon
  50mm speakers
  43mm
  10 22mm
  17 85mm
  35mm nikon
  tamron 17 50mm
  50 mm
  42 mm
  24 105mm

Your alternative for 40mm is not listed? Suggest!
Speaking about 40mm, one probably shouldn't forget about t4i.

Other search terms related to 40mm and their ratings are:
★★★★★ t4i
★★ 7d
★★ 6d
You have in mind a companion for 40mm and it is not yet here? Propose!



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40mm
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