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229 EUR
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price without VAT: 186 EUR
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The Askar 0.8x full-frame reducer (103 APO) was developed as a dedicated accessory for the Askar 103 APO astrograph. It guarantees excellent field correction, which makes it work perfectly with professional cameras and camcorders equipped with a full-frame matrix.
This reducer reduces the focal length by a factor of 0.8x, which in the case of the Askar 103 APO astrograph gives a value of 560 mm at f/5.4. Such parameters allow not only to take breathtaking photos in a wide field of view, but above all to significantly shorten the exposure time.
This device allows the installation of filters with a diameter of 2", screwed into the M48x0.75 thread on the camera side. • focal reducer dedicated to the Askar 103 APO astrograph, compatible with cameras and full-frame cameras
• 0.6x factor giving an effective focal length of 560 mm at f/5.4
• can be used with filters with a diameter of 2"
• 55mm back focus • optical design: triplet
• multiplicity: 0.8x
• compatibility: Askar 103 APO
• focal length without reducer: 700.4 mm
• focal length with reducer: 560.3 mm
• Exposure without reducer: f/6.8
• Exposure with reducer: f/5.44
• rear thread (camera side): M54x0.75 / M48x0.75
• front thread (extractor side): M84x1
• possibility of installing a filter: yes, 2"
• back focus: 55 mm
• length (without adapters): 41.5 mm
• diameter: 88 mm • Askar 0.8x full-frame reducer (103 APO) 24 months
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