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gptkb:Sloan_Digital_Sky_Survey_Telescope
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2.5 meters
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gptkb:1.3m_Devasthal_Fast_Optical_Telescope
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1.3 meters
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gptkb:Z_24-70mm_f/2.8_S
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f/2.8
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gptkb:2.6-metre_telescope_of_the_Crimean_Astrophysical_Observatory
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2.6 metres
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gptkb:F-mount_lenses_(with_FTZ_adapter)
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electronic for E-type, mechanical for G/D-type
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gptkb:Nikon_COOLPIX_B600
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f/3.3-6.5
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gptkb:Nikkor_Z_70-200mm_f/2.8_VR_S
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f/22
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gptkb:Ultraviolet_Imaging_Telescope
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375 mm
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gptkb:Fujinon_XF_16-55mm_f/2.8_R_LM_WR
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f/2.8
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gptkb:Mayall_4-meter_Telescope
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gptkb:Ritchey–Chrétien_reflector
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gptkb:Vivitar_Series_1_28-90mm_f/2.8-3.5
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f/2.8-3.5
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gptkb:Fujifilm_GX645AF_lenses
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f/2.8 to f/5.6
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gptkb:Polaroid_SX-70_camera
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f/8 to f/22
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gptkb:Yale_1.0-m_Telescope
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1.0 meter
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gptkb:BICEP2_experiment
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26 cm
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gptkb:天马望远镜
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65米
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gptkb:Meade_LX200_8-inch
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8 inches
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gptkb:Victor_M._Blanco_Telescope
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4 meters
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gptkb:Schulman_Telescope
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32 inches
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gptkb:Rapid_Eye_Mount_Telescope
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60 cm
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