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4mm HD Ortho
incl. 27% VAT
110.86 €
Including 27% VAT:
110.86 € (44 900 HUF)Net price (for non-EU customers):
87.29 € (35 354 HUF)
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- 2 year manufacturer warranty
- 2 years consumer warranty
Product code: OrHD4
4mm HD-Ortho (Kokusai Kohki /Fujiyama)
| Focal length | Barrel Size | F.O.V | Coatings | Eye Relief | Field Stop | Eye Lens OD | Weight |
| HD-OR 4mm | .1.25" | 42 degrees | M/C + edges | 3.4mm | 2.6mm | 4.0mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 5mm | .1.25" | 42 degrees | M/C + edges | 4.0mm | 3.4mm | 4.5mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 6mm | .1.25" | 42 degrees | M/C + edges | 4.9mm | 4.2mm | 5.8mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 7mm | .1.25" | 42 degrees | M/C + edges | 6.1mm | 4.8mm | 6.5mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 9mm | .1.25" | 42 degrees | M/C + edges | 7.6mm | 6.3mm | 8.3mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 12.5mm | .1.25" | 42 degrees | M/C + edges | 10.4mm | 9.2mm | 11.0mm | approx |
| blackended | 80 grams | ||||||
| HD-OR 18mm | .1.25" | 42 degrees | M/C + edges | 15.2mm | 12.5mm | 16.0mm | approx |
| blackended | 100 grams | ||||||
| HD-OR 25mm | .1.25" | 42 degrees | M/C + edges | 22.2mm | 17.4mm | 21.0mm | approx |
| blackended | 120 grams |
More about the product
| Focal length | Barrel Size | F.O.V | Coatings | Eye Relief | Field Stop | Eye Lens OD | Weight |
| HD-OR 4mm | .1.25" | 42 degrees | M/C + edges | 3.4mm | 2.6mm | 4.0mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 5mm | .1.25" | 42 degrees | M/C + edges | 4.0mm | 3.4mm | 4.5mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 6mm | .1.25" | 42 degrees | M/C + edges | 4.9mm | 4.2mm | 5.8mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 7mm | .1.25" | 42 degrees | M/C + edges | 6.1mm | 4.8mm | 6.5mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 9mm | .1.25" | 42 degrees | M/C + edges | 7.6mm | 6.3mm | 8.3mm | approx |
| blackended | 60 grams | ||||||
| HD-OR 12.5mm | .1.25" | 42 degrees | M/C + edges | 10.4mm | 9.2mm | 11.0mm | approx |
| blackended | 80 grams | ||||||
| HD-OR 18mm | .1.25" | 42 degrees | M/C + edges | 15.2mm | 12.5mm | 16.0mm | approx |
| blackended | 100 grams | ||||||
| HD-OR 25mm | .1.25" | 42 degrees | M/C + edges | 22.2mm | 17.4mm | 21.0mm | approx |
| blackended | 120 grams |
Lovász András's opinion
Have been using it for years
Optical quality
Mechanical quality
Price/Value ratio
4mm HD-Ortho (Kokusai Kohki /Fujiyama)
Pros
Kitűnő kontraszt, remek bevonatok, hibátlan leképezés.
Cons
Nem minden - egyébként szabvány - szűrőt lehet teljesen becsavarni. Ilyenkor nem szabad erőltetni, mert így is azért megfogja. Lehet, hogy az olcsóbb szűrőkhöz ez "túl" precíz.
Summary
Mindig ezzel kollimálom az F/4,7-es Newtonomat, mivel egyrészt a relatíve szűk LM-nek könnyen látszik a közepe, másrészt pedig faltól falig makulátlan a leképezése. Kiváló a képélesség, a kontraszt és a fényáteresztés. A parányi szemlencse és a rövid szemtávolság ellenére még soha nem kenődött rá szempillazsír és szinte soha nem párásodik. Kihozza a távcsőből a maximumot. A szoros kettősöket, és a kisebb planetáris ködöket mindig ezzel vizsgálom. Igényes megfigyelőknek jó szívvel ajánlom.
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The product comes with 2 years warranty (excluding electric parts)
The product comes with 2 years consumer warranty.
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