diff --git a/esbo_etc/classes/AFactory.py b/esbo_etc/classes/AFactory.py
new file mode 100644
index 0000000..62d5dc1
--- /dev/null
+++ b/esbo_etc/classes/AFactory.py
@@ -0,0 +1,76 @@
+from abc import abstractmethod
+from .Entry import Entry
+from .IRadiant import IRadiant
+from ..lib.logger import logger
+import copy
+import re
+
+
+class AFactory:
+    """
+    A Factory for creating objects of the radiation transportation pipeline
+    """
+
+    @abstractmethod
+    def __init__(self, common_conf: Entry):
+        """
+        Instantiate a new factory object
+
+        Parameters
+        ----------
+        common_conf : Entry
+            The common configuration of the configuration file
+        """
+        self._common_conf = common_conf
+
+    @abstractmethod
+    def create(self, options: Entry, parent: IRadiant = None):
+        """
+        Create a new object of the radiation transportation pipeline
+
+        Parameters
+        ----------
+        options : Entry
+            The options to be used as parameters for the instantiation of the new object.
+        parent : IRadiant
+            The optional parent element of the object (necessary for subclasses of AOpticalComponent and ASensor).
+        Returns
+        -------
+        obj
+            The created object
+        """
+        pass
+
+    def collectOptions(self, options: Entry) -> dict:
+        """
+        Collect all options from the configuration file as dictionary
+
+        Parameters
+        ----------
+        options : Entry
+            The options to be used as parameters for the instantiation of the new object.
+
+        Returns
+        -------
+        opts : dict
+            The collected options as dictionary
+        """
+        # if hasattr(options, "type"):
+        # Copy custom attributes of the Entry to a dictionary
+        opts = copy.copy(vars(options))
+
+        for i in vars(options):
+            obj = getattr(options, i)
+            if isinstance(obj, Entry):
+                opts.pop(i, None)
+                additional_opts = self.collectOptions(obj)
+                if len(additional_opts) == 1 and list(additional_opts.keys())[0] == "val":
+                    additional_opts[i] = additional_opts.pop("val")
+                opts.update(additional_opts)
+
+        # Remove unnecessary keys
+        for attrib in list(filter(re.compile(".*_unit$").match, opts)) + ["comment", "type"]:
+            opts.pop(attrib, None)
+        return opts
+        # else:
+        #     logger.error("Component needs to have a type specified.")
diff --git a/esbo_etc/classes/RadiantFactory.py b/esbo_etc/classes/RadiantFactory.py
index 67f138a..a29376a 100644
--- a/esbo_etc/classes/RadiantFactory.py
+++ b/esbo_etc/classes/RadiantFactory.py
@@ -1,30 +1,27 @@
-import astropy.units as u
+from .AFactory import AFactory
 from .Entry import Entry
 from .IRadiant import IRadiant
-from ..classes import optical_component as oc
-from ..classes import target as tg
-from ..lib.logger import logger
-import copy
-import re
+from abc import abstractmethod
 
 
-class RadiantFactory:
+class RadiantFactory(AFactory):
     """
     A Factory creating objects of the type IRadiant
     """
 
-    @u.quantity_input(wl_bins="length")
-    def __init__(self, wl_bins: u.Quantity):
+    @abstractmethod
+    def __init__(self, common_conf: Entry):
         """
         Instantiate a new factory object
 
         Parameters
         ----------
-        wl_bins : Quantity
-            Wavelengths used for binning
+        common_conf : Entry
+            The common configuration of the configuration file
         """
-        self.__wl_bins = wl_bins
+        super().__init__(common_conf)
 
+    @abstractmethod
     def create(self, options: Entry, parent: IRadiant = None) -> IRadiant:
         """
         Create a new object of the type IRadiant
@@ -40,74 +37,4 @@ class RadiantFactory:
         obj : IRadiant
             The created object
         """
-        if hasattr(options, "type"):
-            # Copy custom attributes of the Entry to a dictionary
-            attribs = copy.copy(vars(options))
-            # Remove unnecessary keys
-            for attrib in list(filter(re.compile(".*_unit$").match, attribs)) + ["comment", "type"]:
-                attribs.pop(attrib, None)
-            if parent is None:
-                # New component is of type target
-                attribs["wl_bins"] = self.__wl_bins
-                if options.type == "BlackBodyTarget":
-                    # Black Body Target
-                    if "mag" in attribs and type(attribs["mag"]) == str:
-                        attribs["mag"] = float(attribs["mag"]) * u.mag
-                    return tg.BlackBodyTarget(**attribs)
-                elif options.type == "FileTarget":
-                    # File Target
-                    return getattr(tg, options.type)(**attribs)
-                else:
-                    logger.error("Unknown target type: '" + options.type + "'")
-            else:
-                # New component is of type Optical Component
-                attribs["parent"] = parent
-                if "obstruction" in attribs:
-                    attribs["obstruction"] = float(attribs["obstruction"])
-                class_ = getattr(oc, options.type)
-                if options.type in ["Atmosphere", "StrayLight", "CosmicBackground", "Mirror", "Lens", "BeamSplitter"]:
-                    return class_(**attribs)
-                elif options.type == "Filter":
-                    if hasattr(options, "band"):
-                        return oc.Filter.fromBand(**attribs)
-                    elif hasattr(options, "transmittance"):
-                        return oc.Filter.fromFile(**attribs)
-                    elif hasattr(options, "start") and hasattr(options, "end"):
-                        return oc.Filter.fromRange(**attribs)
-                    else:
-                        logger.error("Wrong parameters for filter.")
-                else:
-                    logger.error("Unknown optical component type: '" + options.type + "'")
-        else:
-            logger.error("Optical component needs to have a type specified.")
-
-    def fromConfigBatch(self, conf: Entry) -> IRadiant:
-        """
-        Initialize a decorated target from a configuration.
-
-        Parameters
-        ----------
-        conf : Entry
-            The configuration defining the target and the decorators.
-
-        Returns
-        -------
-        parent : IRadiant
-            The decorated target.
-        """
-        parent = self.create(conf.astroscene.target)
-        if hasattr(conf.astroscene, "optical_component"):
-            for entry in conf.astroscene.optical_component if type(conf.astroscene.optical_component) == list else\
-                    [conf.astroscene.optical_component]:
-                parent = self.create(entry, parent)
-        if hasattr(conf, "common_optics") and hasattr(conf.common_optics, "optical_component"):
-            for entry in conf.common_optics.optical_component if type(conf.common_optics.optical_component) == \
-                                                                 list else [conf.common_optics.optical_component]:
-                if isinstance(entry, Entry):
-                    parent = self.create(entry, parent)
-        if hasattr(conf, "instrument") and hasattr(conf.instrument, "optical_component"):
-            for entry in conf.instrument.optical_component if type(conf.instrument.optical_component) == list else\
-                    [conf.instrument.optical_component]:
-                if isinstance(entry, Entry):
-                    parent = self.create(entry, parent)
-        return parent
+        pass
diff --git a/esbo_etc/classes/esbo_etc.py b/esbo_etc/classes/esbo_etc.py
index 926bc31..296488f 100644
--- a/esbo_etc/classes/esbo_etc.py
+++ b/esbo_etc/classes/esbo_etc.py
@@ -47,10 +47,14 @@ class esbo_etc:
 
         # Set up components
         logger.info("Setting up components...", extra={"spinning": True})
-        oc_factory = eetc.classes.RadiantFactory(self.conf.common.wl_bins())
-        parent = oc_factory.fromConfigBatch(self.conf)
-        sensor_factory = eetc.SensorFactory(parent, self.conf.common)
-        detector = sensor_factory.create(self.conf.instrument.sensor)
+        target_factory = eetc.TargetFactory(self.conf.common)
+        oc_factory = eetc.OpticalComponentFactory(self.conf.common)
+        sensor_factory = eetc.SensorFactory(self.conf.common)
+
+        parent = target_factory.create(self.conf.astroscene.target)
+        parent = oc_factory.fromConfigBatch(self.conf, parent)
+
+        detector = sensor_factory.create(self.conf.instrument.sensor, parent)
 
         # Calculate results
         res = None
diff --git a/esbo_etc/classes/optical_component/OpticalComponentFactory.py b/esbo_etc/classes/optical_component/OpticalComponentFactory.py
new file mode 100644
index 0000000..3bcab82
--- /dev/null
+++ b/esbo_etc/classes/optical_component/OpticalComponentFactory.py
@@ -0,0 +1,90 @@
+from ..RadiantFactory import RadiantFactory
+from ..Entry import Entry
+from ..IRadiant import IRadiant
+from ...classes import optical_component as oc
+from ...lib.logger import logger
+
+
+class OpticalComponentFactory(RadiantFactory):
+    """
+    A Factory creating objects of the type IRadiant
+    """
+
+    def __init__(self, common_conf: Entry):
+        """
+        Instantiate a new factory object
+
+        Parameters
+        ----------
+        common_conf : Entry
+            The common configuration of the configuration file
+        """
+        super().__init__(common_conf)
+
+    def create(self, options: Entry, parent: IRadiant = None) -> IRadiant:
+        """
+        Create a new object of the type IRadiant
+
+        Parameters
+        ----------
+        options : Entry
+            The options to be used as parameters for the instantiation of the new object.
+        parent : IRadiant
+            The optional parent element of the object (necessary for subclasses of AOpticalComponent).
+        Returns
+        -------
+        obj : IRadiant
+            The created object
+        """
+        opts = self.collectOptions(options)
+        if parent is not None:
+            # New component is of type Optical Component
+            opts["parent"] = parent
+            class_ = getattr(oc, options.type)
+            if options.type in ["Atmosphere", "StrayLight", "CosmicBackground", "Mirror", "Lens", "BeamSplitter"]:
+                return class_(**opts)
+            elif options.type == "Filter":
+                if hasattr(options, "band"):
+                    return oc.Filter.fromBand(**opts)
+                elif hasattr(options, "transmittance"):
+                    return oc.Filter.fromFile(**opts)
+                elif hasattr(options, "start") and hasattr(options, "end"):
+                    return oc.Filter.fromRange(**opts)
+                else:
+                    logger.error("Wrong parameters for filter.")
+            else:
+                logger.error("Unknown optical component type: '" + options.type + "'")
+        else:
+            logger.error("No parent given for optical component.")
+
+    def fromConfigBatch(self, conf: Entry, parent: IRadiant) -> IRadiant:
+        """
+        Initialize a decorated target from a configuration.
+
+        Parameters
+        ----------
+        conf : Entry
+            The configuration defining the target and the decorators.
+        parent : IRadiant
+            The optional parent element of the object
+
+        Returns
+        -------
+        parent : IRadiant
+            The decorated parent object.
+        """
+        if hasattr(conf.astroscene, "optical_component"):
+            for entry in conf.astroscene.optical_component if type(conf.astroscene.optical_component) == list else\
+                    [conf.astroscene.optical_component]:
+                parent = self.create(entry, parent)
+        if hasattr(conf, "common_optics") and hasattr(conf.common_optics, "optical_component"):
+            for entry in conf.common_optics.optical_component if type(conf.common_optics.optical_component) == \
+                                                                 list else [conf.common_optics.optical_component]:
+                if isinstance(entry, Entry):
+                    parent = self.create(entry, parent)
+        if hasattr(conf, "instrument") and hasattr(conf.instrument, "optical_component"):
+            for entry in conf.instrument.optical_component if type(conf.instrument.optical_component) == list else\
+                    [conf.instrument.optical_component]:
+                if isinstance(entry, Entry):
+                    parent = self.create(entry, parent)
+        return parent
diff --git a/esbo_etc/classes/optical_component/__init__.py b/esbo_etc/classes/optical_component/__init__.py
index 61e5b01..7a72d2f 100644
--- a/esbo_etc/classes/optical_component/__init__.py
+++ b/esbo_etc/classes/optical_component/__init__.py
@@ -7,3 +7,4 @@ from .Lens import *
 from .BeamSplitter import *
 from .Mirror import *
 from .CosmicBackground import *
+from .OpticalComponentFactory import *
diff --git a/esbo_etc/classes/sensor/SensorFactory.py b/esbo_etc/classes/sensor/SensorFactory.py
index e23ad1c..9d25a5e 100644
--- a/esbo_etc/classes/sensor/SensorFactory.py
+++ b/esbo_etc/classes/sensor/SensorFactory.py
@@ -1,3 +1,4 @@
+from ..AFactory import AFactory
 from ..IRadiant import IRadiant
 from ..Entry import Entry
 from .ASensor import ASensor
@@ -6,36 +7,41 @@ from .Heterodyne import Heterodyne
 from ...lib.logger import logger
 
 
-class SensorFactory:
+class SensorFactory(AFactory):
     """
     A Factory creating objects of the type ASensor
     """
-    def __init__(self, parent: IRadiant, common_conf: Entry):
+
+    def __init__(self, common_conf: Entry):
         """
         Instantiate a new factory object
-        """
-        self.__common_conf = common_conf
-        self.__parent = parent
 
-    def create(self, options: Entry) -> ASensor:
+        Parameters
+        ----------
+        common_conf : Entry
+            The common configuration of the configuration file
         """
-        Create a new object of the type ASensor
+        super().__init__(common_conf)
+
+    def create(self, options: Entry, parent: IRadiant = None):
+        """
+        Create a new sensor object
 
         Parameters
         ----------
         options : Entry
             The options to be used as parameters for the instantiation of the new object.
+        parent : IRadiant
+            The parent element of the object.
         Returns
         -------
         obj : ASensor
             The created sensor object
         """
+        opts = self.collectOptions(options)
+
         if options.type == "Imager":
-            args = dict(parent=self.__parent, quantum_efficiency=options.pixel.quantum_efficiency(),
-                        pixel_geometry=options.pixel_geometry(), pixel_size=options.pixel.pixel_size(),
-                        read_noise=options.pixel.sigma_read_out(), dark_current=options.pixel.dark_current(),
-                        well_capacity=options.pixel.well_capacity(), f_number=options.f_number(),
-                        common_conf=self.__common_conf)
+            args = dict(parent=parent, **opts, common_conf=self._common_conf)
             if hasattr(options, "center_offset"):
                 # noinspection PyCallingNonCallable
                 args["center_offset"] = options.center_offset()
@@ -51,10 +57,7 @@ class SensorFactory:
                     args["aperture_size"] = options.photometric_aperture.aperture_size()
             return Imager(**args)
         elif options.type == "Heterodyne":
-            args = dict(parent=self.__parent, aperture_efficiency=options.aperture_efficiency(),
-                        main_beam_efficiency=options.main_beam_efficiency(), receiver_temp=options.receiver_temp(),
-                        eta_fss=options.eta_fss(), lambda_line=options.lambda_line(), kappa=options.kappa(),
-                        common_conf=self.__common_conf)
+            args = dict(parent=parent, **opts, common_conf=self._common_conf)
             if hasattr(options, "n_on"):
                 # noinspection PyCallingNonCallable
                 args["n_on"] = options.n_on()
diff --git a/esbo_etc/classes/target/TargetFactory.py b/esbo_etc/classes/target/TargetFactory.py
new file mode 100644
index 0000000..19e8b56
--- /dev/null
+++ b/esbo_etc/classes/target/TargetFactory.py
@@ -0,0 +1,55 @@
+import astropy.units as u
+from ..RadiantFactory import RadiantFactory
+from ..Entry import Entry
+from ..IRadiant import IRadiant
+from ...classes import target as tg
+from ...lib.logger import logger
+
+
+class TargetFactory(RadiantFactory):
+    """
+    A Factory creating objects of the type IRadiant
+    """
+
+    def __init__(self, common_conf: Entry):
+        """
+        Instantiate a new factory object
+
+        Parameters
+        ----------
+        common_conf : Entry
+            The common configuration of the configuration file
+        """
+        super().__init__(common_conf)
+
+    def create(self, options: Entry, parent: IRadiant = None) -> IRadiant:
+        """
+        Create a new object of the type IRadiant
+
+        Parameters
+        ----------
+        options : Entry
+            The options to be used as parameters for the instantiation of the new object.
+        parent : IRadiant
+            The optional parent element of the object (necessary for subclasses of AOpticalComponent).
+        Returns
+        -------
+        obj : IRadiant
+            The created object
+        """
+        opts = self.collectOptions(options)
+        if parent is None:
+            # New component is of type target
+            opts["wl_bins"] = self._common_conf.wl_bins.val
+            if options.type == "BlackBodyTarget":
+                # Black Body Target
+                if "mag" in opts and type(opts["mag"]) == str:
+                    opts["mag"] = float(opts["mag"]) * u.mag
+                return tg.BlackBodyTarget(**opts)
+            elif options.type == "FileTarget":
+                # File Target
+                return getattr(tg, options.type)(**opts)
+            else:
+                logger.error("Unknown target type: '" + options.type + "'")
+        else:
+            logger.error("No parent object allowed for target.")
diff --git a/esbo_etc/classes/target/__init__.py b/esbo_etc/classes/target/__init__.py
index 863660f..225c04b 100644
--- a/esbo_etc/classes/target/__init__.py
+++ b/esbo_etc/classes/target/__init__.py
@@ -1,3 +1,4 @@
 from .ATarget import *
 from .BlackBodyTarget import *
 from .FileTarget import *
+from .TargetFactory import *
diff --git a/tests/test_RadiantFactory.py b/tests/test_RadiantFactory.py
index bed831e..2634fdb 100644
--- a/tests/test_RadiantFactory.py
+++ b/tests/test_RadiantFactory.py
@@ -1,6 +1,7 @@
 from unittest import TestCase
 from esbo_etc.classes.Config import Configuration
-from esbo_etc.classes.RadiantFactory import RadiantFactory
+from esbo_etc.classes.optical_component.OpticalComponentFactory import OpticalComponentFactory
+from esbo_etc.classes.target.TargetFactory import TargetFactory
 import esbo_etc.classes.optical_component as oc
 from esbo_etc.classes.target import BlackBodyTarget
 import astropy.units as u
@@ -9,8 +10,10 @@ import astropy.units as u
 class TestRadiantFactory(TestCase):
     def test_fromConfigBatch(self):
         conf = Configuration("tests/data/esbo-etc_defaults.xml").conf
-        factory = RadiantFactory(conf.common.wl_bins())
-        parent = factory.fromConfigBatch(conf)
+        target_factory = TargetFactory(conf.common)
+        oc_factory = OpticalComponentFactory(conf.common)
+        parent = target_factory.create(conf.astroscene.target)
+        parent = oc_factory.fromConfigBatch(conf, parent)
 
         parent_2 = BlackBodyTarget(conf.common.wl_bins(), 5778 * u.K, 10 * u.mag, "V")
         parent_2 = oc.Atmosphere(parent_2, "tests/data/atmosphere/transmittance.csv",