AstrHori A23B-RF
A 2:1 magnification and f/13 aperture on this 28mm probe lens enables extreme close-up detail, with a 360-degree rotating barrel, built-in adjustable LED ring light, and 20cm waterproof front section. The kit's included straight and 90° tubes combined with manual focus and sapphire glass optics offer versatile composition for narrow or angled spaces. This lens suits macro photographers and filmmakers capturing insects, miniature sets, or underwater scenes where direct illumination and 0.3-inch working distances are critical.
حول هذا الـ Lens
A 2:1 magnification and f/13 aperture on this 28mm probe lens enables extreme close-up detail, with a 360-degree rotating barrel, built-in adjustable LED ring light, and 20cm waterproof front section. The kit's included straight and 90° tubes combined with manual focus and sapphire glass optics offer versatile composition for narrow or angled spaces. This lens suits macro photographers and filmmakers capturing insects, miniature sets, or underwater scenes where direct illumination and 0.3-inch working distances are critical.
- Focal length 28mm
- Max aperture 40
- Mount Canon RF
- Weather sealed
- Weight g 698
- Af type manual focus only
- Lens type macro
نظرة عامة
الأداء
المزايا والعيوب
Pros
- Strong optical (88th percentile) 88th
- Strong macro (76th percentile) 76th
Cons
- Below average bokeh (2th percentile) 2th
- Below average aperture (2th percentile) 2th
- Below average af (14th percentile) 14th
- Below average stabilization (34th percentile) 34th
المواصفات التقنية
المواصفات الكاملة
Optics
| Type | macro |
| Focal Length Min | 28 |
| Focal Length Max | 28 |
| Elements | 21 |
| Groups | 16 |
| Coating | Sapphire glass |
Aperture
| Max Aperture | 40 |
| Min Aperture | 13 |
| Constant | Yes |
| Diaphragm Blades | 7 |
Build
| Mount | Canon RF |
| Format | full-frame |
| Weather Sealed | Yes |
| Weight | 0.7 kg / 1.5 lbs |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 480 |
| Max Magnification | 2:1 |
القيمة مقابل السعر
مقارنة بالمنافسين
| Spec | AstrHori A23B-RF | Sigma Contemporary 16-300mm F3.5-6.7 DC OS | Canon L RF 15-35mm F2.8 L IS USM | Panasonic LUMIX S S-R28200 | Nikon NIKKOR Z 28-400mm f/4-8 VR | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD |
|---|---|---|---|---|---|---|
| Focal Length | 28mm | 16-300mm | 15-35mm | 28-200mm | 28-400mm | 18-300mm |
| Max Aperture | 40 | f/1.4 | f/2.8 | f/4 | f/4 | f/3.5 |
| Mount | Canon RF | Sony E | Canon RF | L-Mount | Nikon Z | Fuji X |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | true | true | true | true | true | false |
| Weight (g) | 698 | 1089 | 840 | 413 | 726 | 92 |
| AF Type | manual focus only | HLA | Nano USM | Autofocus | STM | VXD linear motor |
| Lens Type | macro | zoom | zoom | macro | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| AstrHori A23B-RF | 13.5 | 2.1 | 36.7 | 75.8 | 87.5 | 2.4 | 34.4 | 56.5 | 34.2 |
| Sigma Contemporary 16-300mm F3.5-6.7 DC OS Compare | 53.3 | 94.4 | 33.8 | 84.5 | 98.9 | 94.5 | 99.7 | 89.6 | 99.1 |
| Canon L RF 15-35mm F2.8 L IS USM Compare | 94.1 | 80.1 | 43.8 | 70.1 | 90.3 | 77.6 | 76.6 | 89.6 | 96.5 |
| Panasonic LUMIX S S-R28200 Compare | 53.3 | 70.1 | 73.8 | 87.5 | 91.4 | 63.3 | 95.9 | 89.6 | 99.5 |
| Nikon NIKKOR Z 28-400mm f/4-8 VR Compare | 86 | 70.1 | 52 | 80.2 | 96.9 | 63.3 | 98.9 | 74.9 | 98.3 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.1 | 66.9 | 95.8 | 86.4 | 75.2 | 69.9 | 99.3 | 68.9 | 79.6 |
تقييمات حسب الاستخدام
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