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I agree with CCR's comments above about a 20x having too narrow a field of view and too short of a focussing distance. The only way I can use the 20x is to study the edge in silhouette, and even...

Don't know what the shipping is to Canada, but these sell for $13 US. What to do about the absence of an LED? Find a light source--sun, halogen desk lamp, bathroom lighting, etc.

10x Hastings triplet achromat is all I need for viewing the razor during honing. The bevel is viewed by reflected light and the edge is viewed in silhouette. A small eyepiece, the standard is...