Enter the magnification to find the working distance, or enter the working distance to find the magnification. Works for all simple lenses (not microscopes and telescopes, and not surgeon's-type magnifiers (they are made of two little telescopes). EXCEL FORMAT so you will have to click OPEN.

How magnification works and how to choose a magnifier.

Video magnifiers, pros, cons and features; evaluations of several models

Lenses, video magnifiers, best types, best choices.

Size and quality, triplets and other lens types.

Loupes with ultra violet (UV) lights, including photographs of what you will see under UV light.

Binocular magnifiers (that you wear around the head or clip to spectacles) - all types.

Review of professional USB microscope (eyepiece attachment)

Subject: VAT-FREE FOR THE PARTIALLY SIGHTED
If you are registered blind or partially sighted or if the magnifier is to alleviate a permanent chronic eye condition, fill in this form and we will refund your VAT. Click on the picture of the form (it's in WORD format so you may have to then click OPEN). The first page is the form (you can fill it in on the computer), the second page is instructions on how to email it back to us. This applies only for magnifiers specifically for the partially sighted (including all video magnifiers) - see each product description.

Surgeon's-type binocular magnifiers, more pictures.

Stereo binocular microscopes compared.

Pictures of the large video microscope showing a watch movement at various magnifications.