Acuter NatureClose ST100B 22-67x100 Waterproof Straight Spotting Scope

Acuter NatureClose ST100B 22-67x100 Waterproof Straight Spotting Scope

£280.00✓ 2 year warranty


Out of stock due 2-4 working days

About this product

Model:  acuter_natureclose_st100b
Part Number:  40918

The Acuter PRO series of compact waterproof spotting scopes are from the same company responsible for the critically acclaimed Skywatcher series of astronomy telescopes. 

All models feature sharp, bright, high-resolution, multicoated optics and an 8-24mm zoom eyepiece. Perfect for terrestrial observations of wildlife, birds, ships at sea, etc.

Fixed magnification eyepieces are also available with generous eye-relief and fold-back rubber eyecups - ideal for spectacle wearers.

Available with 65mm, 80mm or 100mm objective lens diameters and straight or 45° viewing angles. 

Focusing is smooth and comfortable and the telescope tubes are covered with a protective rubberized paint finish for a secure grip and protection from the elements. 

A T2 camera adaptor (Prod.Code 40947) is available for the attachment of either SLR or DSLR cameras and can be used in conjunction with the zoom eyepiece supplied. 

All models can be mounted on a standard photographic tripod via an integral tripod bush and are supplied with a quality padded carrying case. 


  • Objective Lens Diameter 100mm
  • Magnification 22x-67x (Zoom)
  • Fully Multi-Coated
  • Supplied with Padded Case

What's in the box

  • Spotting Scope
  • 22-67x (8-24mm) Zoom Eyepiece
  • Quality Padded Case



ST100B 22-67x100

Magnification 22x-67x Zoom
Object Lens Diameter 100mm
Field of view 1.8 - 0.9 degrees
Focal Length 540mm
Multi-coated Optics Yes
Product Code 40918

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Please fill in the form below to ask a question.


Q1. Does it have BAK 4 prisms?

Yes. The manufacturer specifies Bak-4 prisms, though we are unable to determine the precise specification.

Q2. What is the diameter of the exit eyepiece glass and the eye relief?

The eye-lens has 23mm diameter. The eye-relief varies from 9-15mm, depending on the magnification set.

Q3. Is the padded case a "stay on" type?

The case is the stay-on type though it doesn't cover the eyepiece (a separate padded case is supplied for the eyepiece which clips to the main case).

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