| APM 1.25" coma correcting 2.7x Barlow (APM-Komakorr-Barlowelement) + 1 variants | Accessory | 24 | 151 |
| APM 1.25" coma correcting 6.25x Barlow (APM-Komakorr-DoubleBarlow) | Accessory | 0 | 0 |
| APM 12" Professional Cassegrain | Telescope or lens | 0 | 0 |
| APM 2" coma correcting 1.5x Barlow (APM-Komakorr-Barlow2) | Accessory | 21 | 81 |
| APM 200mm F/6 Newton-Maksutov | Telescope or lens | 1 | 67 |
| APM 203 mm f/7 Triplet Apo | Telescope or lens | 0 | 0 |
| APM 40'' Professional Cassegrain F/8 | Telescope or lens | 1 | 1 |
| APM 50mm 90-degree Finderscope (APM-50-FIND-DIAG) | Telescope or lens | 0 | 0 |
| APM 50mm finder (APM-50S) | Telescope or lens | 1 | 2 |
| APM 50mm ImageMaster guide scope (APM-50-GUIDE) | Telescope or lens | 11 | 153 |
| APM 60mm 90-degree Finderscope (APM-60-FIND-DIAG) | Telescope or lens | 0 | 0 |
| APM 60mm finder (APM-60S) | Telescope or lens | 2 | 10 |
| APM 60mm ImageMaster guide scope (APM-60-GUIDE) | Telescope or lens | 14 | 137 |
| APM 80/500 FPL53 Triplet Apo | Telescope or lens | 2 | 15 |
| APM 80mm 90-degree Finderscope (APM-80-FIND-DIAG) | Telescope or lens | 0 | 0 |
| APM 80S | Telescope or lens | 2 | 84 |
| APM APMBarlow2 | Accessory | 3 | 2 |
| APM Apo 107/700 | Telescope or lens | 22 | 116 |
| APM Ceramic Safety 2" Herschelprism | Accessory | 4 | 16 |
| APM Doublet ED Apo 152 f/7.9 (2.5" ZTA) | Telescope or lens | 6 | 51 |
| APM Doublet ED Apo 152 f/7.9 (3.7" ZTA) | Telescope or lens | 6 | 25 |
| APM Doublet SD Apo 140 f/7 FPL53 (2.5" ZTA) | Telescope or lens | 10 | 47 |
| APM Doublet SD Apo 140 f/7 FPL53 (3.7" ZTA) | Telescope or lens | 7 | 32 |
| APM Douplet SD APO-Astrograph 140 f/5.25 | Telescope or lens | 0 | 0 |
| APM ED Apo 10x50 Magnesium Series Binoculars | Telescope or lens | 1 | 1 |
| APM ED Apo 20x70 Magnesium Series Binoculars | Telescope or lens | 1 | 5 |
| APM G.Düring designed comacorrecting 1.25" Barlowlens 2.7x | Telescope or lens | 2 | 8 |
| APM LOT | Telescope or lens | 1 | 1 |
| APM LZOS 150 f/d 6 | Telescope or lens | 1 | 15 |
| APM LZOS Apo 100/800 2.5"ZTA | Telescope or lens | 1 | 20 |
| APM LZOS Apo 100/800 CNC LW II | Telescope or lens | 1 | 5 |
| APM LZOS Apo 105/ 650 2.5"ZTA | Telescope or lens | 4 | 19 |
| APM LZOS Apo 105/650 CNC LW I | Telescope or lens | 4 | 70 |
| APM LZOS APO 105/650 CNC LW II | Telescope or lens | 5 | 16 |
| APM LZOS Apo 115/805 2.5"ZTA | Telescope or lens | 1 | 6 |
| APM LZOS Apo 115/805 CNC LW II | Telescope or lens | 0 | 0 |
| APM LZOS Apo 123/738 3.7"ZTA | Telescope or lens | 1 | 3 |
| APM LZOS Apo 123/738 CNC LW II | Telescope or lens | 2 | 6 |
| APM LZOS Apo 130 f/4.5 42mm/3.7-inch focuser | Telescope or lens | 0 | 0 |
| APM LZOS Apo 130 f/4.5 CNC LW II | Telescope or lens | 0 | 0 |
| APM LZOS Apo 130 f/4.5, 52mm, 3.7-inch focuser | Telescope or lens | 0 | 0 |
| APM LZOS Apo 130 f/4.5, 52mm, CNC LW II | Telescope or lens | 0 | 0 |
| APM LZOS Apo 130/1200 3.7"ZTA | Telescope or lens | 0 | 0 |
| APM LZOS Apo 130/1200 CNC LW II | Telescope or lens | 1 | 0 |
| APM LZOS Apo 130/780 3.7-inch focuser | Telescope or lens | 1 | 2 |
| APM LZOS Apo 130/780 CNC LW II | Telescope or lens | 13 | 225 |
| APM LZOS Apo 150 f/d:4 | Telescope or lens | 1 | 6 |
| APM LZOS Apo 152/1200 3.7"ZTA | Telescope or lens | 3 | 12 |
| APM LZOS Apo 152/1200 CNC LW II | Telescope or lens | 12 | 167 |
| APM LZOS Apo 175/1400 CNC LW II | Telescope or lens | 2 | 2 |
| APM LZOS Apo 180/1260 CNC LW II | Telescope or lens | 2 | 13 |
| APM photo-visual SD Triplet Apo 180 mm F/7-F/5.6 | Telescope or lens | 0 | 0 |
| APM TMB 80/480 | Telescope or lens | 5 | 4 |
| APM TMB 80/600 | Telescope or lens | 2 | 5 |
![M31 - The Andromeda Galaxy with SDSO 1 [Oiii Emission Arc]](https://cdn.astrobin.com/thumbs/SXmZyTL8kGMj_130x130_H8QnUhL6.png)
