Askar 107PHQ f/7 Petzval Refractor Telescope
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- Askar 107PHQ four-element refractor with 107mm aperture and f/7 focal ratio, ideal for lunar, planetary, and deep sky imaging and visual observing
- Built-in field flattener ensures excellent optical performance across big 44mm image circle
- Air-spaced triplet objective with two ED elements virtually eliminate chromatic aberration
- Rotatable 3.4” rack-and-pinion focuser, threaded adapters, 2” adapter ring, and 1.25”-2” adapter
- Includes mounting rings, Vixen-style dovetail, carrying handle, and hard case
Watch the Askar 107PHQ Quick Overview Video
The Askar 107mm 107PHQ astrograph incorporates a four-element optical design to deliver sharp, color-free images for astrophotographers and visual observers. This f/7 astrograph features an air-spaced triplet objective with two ED elements and a field-flattening corrective element further back in the optical path to correct for field curvature over a large 44mm image circle. There’s no need for a separate field flattener – this makes it easy to use this telescope with a wide range of cameras and accessories without being tied to the short back focus of many external corrective elements.
This premium astrograph includes a large 3.4” rack-and-pinion dual-speed (1:10) focuser that’s fully rotatable through 360 degrees and carries an 8kg load capacity. The focuser includes a removable visual adapter so you can insert a 1.25” or 2” diagonal. It also includes a standard shoe for mounting a finder or small guide scope (both sold separately). With the visual adapter removed, the focuser tube terminates with an M86x1 thread. The scope also includes four stackable adapters for direct attachment of a wide variety of cameras with standard metric threads.
The attractive green-trimmed optical tube of the 107PHQ is complemented with a highly functional set of aluminum rings, a Vixen-style dovetail, and a carrying handle. The handle includes separate mounting holes for additional accessories. The entire tube has a diameter of 138mm and has a length of just 655mm with the dew shield retracted. It weighs 6.9kg.
With a focal length of 749mm and apochromatic optics, the 107PHQ also works well as a serious visual instrument. A 35mm 2” eyepiece with a 68-degree apparent field of view delivers a wide 3-degree field of view at 21x, ideal for sweeping the Milky Way for star clusters and nebulae. Or power up with a short-focal length eyepiece and get sharp, high-magnification views of the moon and planets with virtually no false color.
The Askar 107PHQ offers excellent value in a premium larger-aperture astrograph for serious astronomical imaging and visual observing. For the price, this fast apochromatic telescope offers excellent value and can approach the performance of telescopes that cost three or four times as much. This is especially true when matched with astronomy cameras with APS-C and smaller sensors. Full-frame sensors may reveal slight aberrations at the edge of the field, especially when using the focal reducer.
The telescope is shipped in a foam-fitted aluminum case.
Note: To offer even more versatility to the 130PHQ, Askar offers a 0.7x focal reducer for imaging applications (sold separately) This reducer takes the focal ratio down to a fast f/4.9 while preserving image sharpness and field flatness.
Specifications:
- Aperture size: 107mm
- Focal length: 749mm
- Focal ratio：f/7
- Objective lens：Quadruplet air-spaced APO (including two ED glass)
- Image circle：44mm
- Dew shield OD: 134mm / 5.27"
- Maximum accessory connection (with the focuser fully retreated)：
- 1. Imaging mode:
- 79mm (from the base of M48×0.75 male thread)
- 99mm (from the base of M54×0.75 male thread)
- 119mm (from the base of M68×1male thread)
- 149mm (from the base of M86×1 male thread)
- 2. Observing mode:
- 120mm (from the end of 2" visual back)
- Total length：603mm（when the dew shield is contracted）
- 754mm（when the dew shield is stretched）
- 1. Imaging mode:
- Net weight：5.7kg
- Gross weight：6.9kg
- Rear-end thread type：M86×1 to M68×1
- M68×1 to M54×0.75
- M54×0.75 to M52×0.75
- M52×0.75 to M48×0.75（with M48×0.75 filter thread）
- Four-piece photographic adapter：M48×0.75
Other Information
- Country of Manufacture: China
Watch the Askar 107PHQ Quick Overview Video
The Askar 107mm 107PHQ astrograph incorporates a four-element optical design to deliver sharp, color-free images for astrophotographers and visual observers. This f/7 astrograph features an air-spaced triplet objective with two ED elements and a field-flattening corrective element further back in the optical path to correct for field curvature over a large 44mm image circle. There’s no need for a separate field flattener – this makes it easy to use this telescope with a wide range of cameras and accessories without being tied to the short back focus of many external corrective elements.
This premium astrograph includes a large 3.4” rack-and-pinion dual-speed (1:10) focuser that’s fully rotatable through 360 degrees and carries an 8kg load capacity. The focuser includes a removable visual adapter so you can insert a 1.25” or 2” diagonal. It also includes a standard shoe for mounting a finder or small guide scope (both sold separately). With the visual adapter removed, the focuser tube terminates with an M86x1 thread. The scope also includes four stackable adapters for direct attachment of a wide variety of cameras with standard metric threads.
The attractive green-trimmed optical tube of the 107PHQ is complemented with a highly functional set of aluminum rings, a Vixen-style dovetail, and a carrying handle. The handle includes separate mounting holes for additional accessories. The entire tube has a diameter of 138mm and has a length of just 655mm with the dew shield retracted. It weighs 6.9kg.
With a focal length of 749mm and apochromatic optics, the 107PHQ also works well as a serious visual instrument. A 35mm 2” eyepiece with a 68-degree apparent field of view delivers a wide 3-degree field of view at 21x, ideal for sweeping the Milky Way for star clusters and nebulae. Or power up with a short-focal length eyepiece and get sharp, high-magnification views of the moon and planets with virtually no false color.
The Askar 107PHQ offers excellent value in a premium larger-aperture astrograph for serious astronomical imaging and visual observing. For the price, this fast apochromatic telescope offers excellent value and can approach the performance of telescopes that cost three or four times as much. This is especially true when matched with astronomy cameras with APS-C and smaller sensors. Full-frame sensors may reveal slight aberrations at the edge of the field, especially when using the focal reducer.
The telescope is shipped in a foam-fitted aluminum case.
Note: To offer even more versatility to the 130PHQ, Askar offers a 0.7x focal reducer for imaging applications (sold separately) This reducer takes the focal ratio down to a fast f/4.9 while preserving image sharpness and field flatness.
Specifications:
- Aperture size: 107mm
- Focal length: 749mm
- Focal ratio：f/7
- Objective lens：Quadruplet air-spaced APO (including two ED glass)
- Image circle：44mm
- Dew shield OD: 134mm / 5.27"
- Maximum accessory connection (with the focuser fully retreated)：
- 1. Imaging mode:
- 79mm (from the base of M48×0.75 male thread)
- 99mm (from the base of M54×0.75 male thread)
- 119mm (from the base of M68×1male thread)
- 149mm (from the base of M86×1 male thread)
- 2. Observing mode:
- 120mm (from the end of 2" visual back)
- Total length：603mm（when the dew shield is contracted）
- 754mm（when the dew shield is stretched）
- 1. Imaging mode:
- Net weight：5.7kg
- Gross weight：6.9kg
- Rear-end thread type：M86×1 to M68×1
- M68×1 to M54×0.75
- M54×0.75 to M52×0.75
- M52×0.75 to M48×0.75（with M48×0.75 filter thread）
- Four-piece photographic adapter：M48×0.75
- Askar 107PHQ OTA
- Pair of tube rings
- Handle
- Askar 300mm Vixen-style dovetail plate
- Set of four-piece M86-M48 adapters
- Manual
- High-quality aluminum case
- Askar 107PHQ four-element refractor with 107mm aperture and f/7 focal ratio, ideal for lunar, planetary, and deep sky imaging and visual observing
- Built-in field flattener ensures excellent optical performance across big 44mm image circle
- Air-spaced triplet objective with two ED elements virtually eliminate chromatic aberration
- Rotatable 3.4” rack-and-pinion focuser, threaded adapters, 2” adapter ring, and 1.25”-2” adapter
- Includes mounting rings, Vixen-style dovetail, carrying handle, and hard case
Watch the Askar 107PHQ Quick Overview Video
The Askar 107mm 107PHQ astrograph incorporates a four-element optical design to deliver sharp, color-free images for astrophotographers and visual observers. This f/7 astrograph features an air-spaced triplet objective with two ED elements and a field-flattening corrective element further back in the optical path to correct for field curvature over a large 44mm image circle. There’s no need for a separate field flattener – this makes it easy to use this telescope with a wide range of cameras and accessories without being tied to the short back focus of many external corrective elements.
This premium astrograph includes a large 3.4” rack-and-pinion dual-speed (1:10) focuser that’s fully rotatable through 360 degrees and carries an 8kg load capacity. The focuser includes a removable visual adapter so you can insert a 1.25” or 2” diagonal. It also includes a standard shoe for mounting a finder or small guide scope (both sold separately). With the visual adapter removed, the focuser tube terminates with an M86x1 thread. The scope also includes four stackable adapters for direct attachment of a wide variety of cameras with standard metric threads.
The attractive green-trimmed optical tube of the 107PHQ is complemented with a highly functional set of aluminum rings, a Vixen-style dovetail, and a carrying handle. The handle includes separate mounting holes for additional accessories. The entire tube has a diameter of 138mm and has a length of just 655mm with the dew shield retracted. It weighs 6.9kg.
With a focal length of 749mm and apochromatic optics, the 107PHQ also works well as a serious visual instrument. A 35mm 2” eyepiece with a 68-degree apparent field of view delivers a wide 3-degree field of view at 21x, ideal for sweeping the Milky Way for star clusters and nebulae. Or power up with a short-focal length eyepiece and get sharp, high-magnification views of the moon and planets with virtually no false color.
The Askar 107PHQ offers excellent value in a premium larger-aperture astrograph for serious astronomical imaging and visual observing. For the price, this fast apochromatic telescope offers excellent value and can approach the performance of telescopes that cost three or four times as much. This is especially true when matched with astronomy cameras with APS-C and smaller sensors. Full-frame sensors may reveal slight aberrations at the edge of the field, especially when using the focal reducer.
The telescope is shipped in a foam-fitted aluminum case.
Note: To offer even more versatility to the 130PHQ, Askar offers a 0.7x focal reducer for imaging applications (sold separately) This reducer takes the focal ratio down to a fast f/4.9 while preserving image sharpness and field flatness.
Specifications:
- Aperture size: 107mm
- Focal length: 749mm
- Focal ratio：f/7
- Objective lens：Quadruplet air-spaced APO (including two ED glass)
- Image circle：44mm
- Dew shield OD: 134mm / 5.27"
- Maximum accessory connection (with the focuser fully retreated)：
- 1. Imaging mode:
- 79mm (from the base of M48×0.75 male thread)
- 99mm (from the base of M54×0.75 male thread)
- 119mm (from the base of M68×1male thread)
- 149mm (from the base of M86×1 male thread)
- 2. Observing mode:
- 120mm (from the end of 2" visual back)
- Total length：603mm（when the dew shield is contracted）
- 754mm（when the dew shield is stretched）
- 1. Imaging mode:
- Net weight：5.7kg
- Gross weight：6.9kg
- Rear-end thread type：M86×1 to M68×1
- M68×1 to M54×0.75
- M54×0.75 to M52×0.75
- M52×0.75 to M48×0.75（with M48×0.75 filter thread）
- Four-piece photographic adapter：M48×0.75
Other Information
- Country of Manufacture: China
| Telescope Focal Length | 701 - 800mm |
|---|
- Askar 107PHQ OTA
- Pair of tube rings
- Handle
- Askar 300mm Vixen-style dovetail plate
- Set of four-piece M86-M48 adapters
- Manual
- High-quality aluminum case
Askar 107PHQ f/7 Petzval Refractor Telescope