Tele Vue 2× Barlow from above showing the eyepiece opening and clamp screw
Tele Vue 2× Barlow in profile showing its barrel and clamp screw

Tele Vue 2x Barlow (1.25 Inch) Eyepiece

SKU: BLW-2125
Barcode: 410000032213

$290.00

Available to order
Delivery time: Typically 3 months from order

Delivered to anywhere is Australia and New Zealand.
Orders placed before 2 PM are usually shipped the same day.
Tele Vue 2x Barlow (1.25 Inch) Eyepiece

$290.00

$290.00

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Same day shipping

If you order before 2pm we will ship your items same day.
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Expert aftersales support

We fully support our products!
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Minimum 2-Year Warranty. 

+ extended manufacturer warranties
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Aussie Owned & Stocked

Our store is Australian owned and stocked.

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Double the power of a 1.25-inch eyepiece

2×Nominal factor

What the 2× Barlow does at the eyepiece

A 12 mm eyepiece giving 100× in a 1,200 mm telescope gives about 200× with the Barlow in the standard visual setup.

1.25 inBarrel size

Match your telescope and eyepiece

It sits between a 1.25-inch holder and a 1.25-inch eyepiece.

2Lens elements

How the optics increase power

The two-element Barlow increases the effective focal length of the telescope. The lenses are fully multicoated.

Compare Tele Vue Barlows

2× Barlow Selected model
  • Nominal factor2×
  • Barrel1.25 in
  • From 60×120×
2× BIG Barlow
  • Nominal factor2×
  • Barrel2 in
  • From 60×120×
3× Barlow
  • Nominal factor3×
  • Barrel1.25 in
  • From 60×180×

What it fits

Telescope holder
1.25-inch
Eyepieces
1.25-inch
Filters
1.25-inch filters
Imaging and focus
In a camera setup, increasing the distance from the Barlow to the sensor increases the amplification. Use Tele Vue’s chart when planning the spacing. Tele Vue Barlow imaging chart
Magnification
Use the Bintel FOV Calculator to check visual magnification and field of view.
Setup instructions

Specifications

Optics

Nominal amplification
2×
Optical design
2 elements
Coatings
Fully multicoated

Fit

Telescope-side barrel
1.25 inches
Filter fit
1.25-inch filters
Eyepiece holder
1.25-inch
Eyepiece retention
Brass clamp ring
Manufacturer model code
BLW-2125

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