Brand: Baader Planetarium

Baader Planetarium Carl Zeiss 1 1/4" Abbe Barlow Lens 2x - 1603321

1603321

Brand: Baader Planetarium

Baader Planetarium Carl Zeiss 1 1/4" Abbe Barlow Lens 2x - 1603321

1603321

  • Available again for a limited time: Carl Zeiss 1 1/4" Abbe Barlow lens with T-2 thread made in Germany by Carl Zeiss in Jena – with 1 1/4" / T-2 ClickLock eyepiece clamp by Baader Planetarium
  • Visual Barlow lens and photographic eyepiece projection in one system
  • Direct T-2 Adaption possible - extends magnification up to 3x - without loss of quality
  • The image quality is only exceeded by our 3x-8x flat field FFC-Converter, in case the projection factor exceeds 3x
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$479.00 USD

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Special Order
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Product Description

Direct T-2 Adaption Possible - Extends Magnification up to 3x - Without Quality Loss

The Carl Zeiss Abbe Barlow lens consists of two parts. The front barlow section ends with a photographic T-2 thread suitable to directly connect onto standard DSLR T-rings. , at the separation level a T-2 photo thread - mounted with our Baader ClickLock eyepiece clamp with the known rotary clamping system. A direct T-2 adaptation is possible.

An enlargement of the imaging scale up to three times is possible without loss of quality. On the first T-2 thread you can connect normal T-rings, so you have a 2x Barlow lens - with 1¼ " barrel - in front of every camera, webcam or DSLR camera housing. If you add T-2 extensions the magnification can be extended by up to 3x. We recommend using our T-2 Varilock clamps for stepless adjusting of the optical length: Varilock 20-29mm (# 2956929) or Varilock 29-46mm (# 2956946)

The Baader Barlow Lenses at a Glance

With currently five different barlow lenses in Baader Planetarium's product range, it is not easy to keep track of which model fulfils which function best.

Fluorite Flatfield Converter (FFC) / 3x-8x (#2458200)

90mm field of view also for medium format cameras - uncompromising quality even for extreme enlargements.

Focus gain: depending on configuration about 1.5-2.6cm

Carl Zeiss 1¼" Abbe Barlow lens 2x (#1603321)

Legendary Zeiss quality for the common magnification range between 2x and 3x (with additional T-2 extensions). With T-2 connection for cameras or eyepiece clamps. The qualitatively equivalent solution to the Fluorite FFC when smaller field size and smaller post-magnification are desired.

Focus gain: About 3 cm

VIP 2x modular barlow lens, visual and photographic (#2406101)

Versatile barlow lens for magnifications from 2x, for use with cameras (via T-2 thread) and eyepieces. Calculated for 35mm image diagonal (full format). With additional T-2 extensions it can also be used for slightly higher magnification factors.

Focus gain at 2x: Approx. 3.3 cm

Baader Q-Barlow 1.3x/ 2.25x (#2956185)

Inexpensive and amazingly high quality Barlow lens for the lower magnification range: In addition to being used as a normal Barlow lens with eyepiece clamp (with factor 2.25x), the Barlow element can also be used as a negative lens group when screwed directly into (almost) all eyepiece sleeves or directly in front of a camera with 1.25" filter thread and then provides a lower magnification of approximately 1.3x. Ideal for adapting a modern planetary camera to the resolution of an already long focal length telescope. Prerequisite: There must be no other elements in the nose piece that would prevent the approximeately 13 mm long Q-Barlow lens group from being screwed in.

Focus gain at 2.25x: About 0.4 cm

Hyperion Zoom 2.25x Barlow lens (#2956180) Specially designed for the Hyperion Zoom eyepiece, also fits the filter thread of other eyepieces.

With the included T-2 adapter, it can also be used directly on cameras; provides about 2.7x at 55mm working distance and about 2.3x at 25mm.

Focus gain: About 1.1 cm

Specifications

Manufacturer Zeiss
SKU (#) 1603321
Weight (kg) 0.103
Outer Connection (lens sided) Barrel, 1 1/4"
Inner Connection (eyepiece/-camera-sided) Clamp, 1 1/4"
Outer Connection (eyepiece/-camera-sided) Thread, T-2 (M42 x 0.75)
Clamping System ClickLock
Magnification 2x - 3x
Barrel Size (in) 1 1/4"
Optical Design Barlow
Speciality Barlow lens

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